Download - (1,5 modules per p(1,5 modules per po ooole)llee))le)docdif.fr.grpleg.com/general/legrand-exp/NP-FT-GT/F01217EN-00.pdf1 / 38 87045 LIMOGES Cedex Telephone: +33 5 55 06 87 87 – FAX:

1 / 38

87045 LIMOGES Cedex Telephone: +33 5 55 06 87 87 – FAX: +33 5 55 06 88 88

DXDXDXDX3333 MCB 25kA up to 63A MCB 25kA up to 63A MCB 25kA up to 63A MCB 25kA up to 63A (1,5 modules per p(1,5 modules per p(1,5 modules per p(1,5 modules per poooole)le)le)le)

Cat N°(s): Cat N°(s): Cat N°(s): Cat N°(s): 4444 097097097097 20202020 to 4 to 4 to 4 to 4 098098098098 95 95 95 95

CONTENTSCONTENTSCONTENTSCONTENTS PAGES

1. Description - use................................. 1 2. Range................................................. 1 3. Overall dimensions ............................. 1 4. Preparation - Connection .................... 1 5. General characteristics ....................... 2 6. Conformities and approvals .............. 20 7. Characteristic curves ........................ 21 8. Auxiliaries and accessories............... 38

1. DESCRIPTION 1. DESCRIPTION 1. DESCRIPTION 1. DESCRIPTION ---- USE USE USE USE

Thermo-magnetic circuit breaker with positive contact indication for control, protection and isolation of electrical circuits.

Symbol:Symbol:Symbol:Symbol:

Technology:Technology:Technology:Technology: . Current limiting device. . 1,5 module (26,7 mm) per pole. . Trip free mechanism.

2. RANGE2. RANGE2. RANGE2. RANGE

Number of Poles:Number of Poles:Number of Poles:Number of Poles: . 1P / 2P / 3P / 4P.

Rated current In:Rated current In:Rated current In:Rated current In: . 32 / 40 / 50 / 63 B and C curves. . 16 / 20 / 25 / 32 / 40 / 50 / 63 D curve. . 12,5 / 16 / 25 / 40 / 63 MA curve.

Tripping characteristics and magnetic tripping calibrationsTripping characteristics and magnetic tripping calibrationsTripping characteristics and magnetic tripping calibrationsTripping characteristics and magnetic tripping calibrations:::: . B curve (between 3 and 5 In). . C curve (between 5 and 10 In). . D curve (between 10 and 14 In). . MA curve (between 12 and 14 In, with tolerances reduced to + / -10% ).

Thermal threshold:Thermal threshold:Thermal threshold:Thermal threshold: . Non operating current (Inf): 1,05 In. . Operating current (If): 1,3 In.

Rated Voltage / Frequency:Rated Voltage / Frequency:Rated Voltage / Frequency:Rated Voltage / Frequency: . 230 / 400 V ~, 50 / 60 Hz with standard tolerances. . 240 / 415 V ~, 50 / 60 Hz with standard tolerances. . 125 V per pole in direct current.

Maximum operating voltage:Maximum operating voltage:Maximum operating voltage:Maximum operating voltage: . 500 V ~, 50 / 60 Hz with derating of breaking capacity.

Breaking capacity:Breaking capacity:Breaking capacity:Breaking capacity: . 25 kA according to IEC/EN/NF 60947-2

3. 3. 3. 3. OVEROVEROVEROVERALL DIMENSIONSALL DIMENSIONSALL DIMENSIONSALL DIMENSIONS

4. PREPARATION 4. PREPARATION 4. PREPARATION 4. PREPARATION ---- CONNECTION CONNECTION CONNECTION CONNECTION

Fixing:Fixing:Fixing:Fixing: . On symmetric rail EN/IEC 60715 or DIN 35.

Operating position:Operating position:Operating position:Operating position: . Vertical Horizontal Upside down on the side

N° of poles “X” (mm)

1P 22226,7 m6,7 m6,7 m6,7 mmmmm

2P 53,4 mm53,4 mm53,4 mm53,4 mm

3P 80,1 mm80,1 mm80,1 mm80,1 mm

4P 106,8 mm106,8 mm106,8 mm106,8 mm

Technical data sheet: F01217EN/00 Updated: - Created: 19/12/2011

2 / 38


Cat N°(s): Cat N°(s): Cat N°(s): Cat N°(s): 4444 097097097097 20 20 20 20 to 4 to 4 to 4 to 4 098098098098 95 95 95 95

4. PREPARATION 4. PREPARATION 4. PREPARATION 4. PREPARATION –––– CONNECTION CONNECTION CONNECTION CONNECTION (continued)

Supply:Supply:Supply:Supply: . Either from the top or from the bottom.

Terminal depth:Terminal depth:Terminal depth:Terminal depth: . 19 mm. . It is possible to separate the terminals by retractable insulation shields.

Stripping length recommended:Stripping length recommended:Stripping length recommended:Stripping length recommended: . 17 mm for main terminals.

Screw head:Screw head:Screw head:Screw head: . Mixed, slotted and Pozidriv n°2.

Tightening torque:Tightening torque:Tightening torque:Tightening torque: . Recommended: 3 Nm. . Mini 2,5 Nm. . Maxi 3,5 Nm.

Tools required:Tools required:Tools required:Tools required: . For the terminals: Pozidriv n°2 or flat screwdriver 5,5 mm (6 mm maximum). . For fixing: flat screwdriver 5,5 mm (6 mm maximum).

Connectable section:Connectable section:Connectable section:Connectable section: Copper cable

Without ferrule Without ferrule

Rigid cable

1 x 1,5mm² 1 x 1,5mm² 1 x 1,5mm² 1 x 1,5mm² to 50to 50to 50to 50mm²mm²mm²mm²

2 x 1,5mm² 2 x 1,5mm² 2 x 1,5mm² 2 x 1,5mm² totototo 16mm² 16mm² 16mm² 16mm² ----

Flexible cable

1 x 1,5mm² 1 x 1,5mm² 1 x 1,5mm² 1 x 1,5mm² totototo 35mm² 35mm² 35mm² 35mm²

2 x 1,5mm² 2 x 1,5mm² 2 x 1,5mm² 2 x 1,5mm² totototo 10mm² 10mm² 10mm² 10mm² 1 x 1,5mm² 1 x 1,5mm² 1 x 1,5mm² 1 x 1,5mm² totototo 35mm² 35mm² 35mm² 35mm²

Manual actuation of the Manual actuation of the Manual actuation of the Manual actuation of the MCBMCBMCBMCB:::: . Ergonomic 2 position handle:

0 / OFF: Device open. I / ON: Device closed.

Contact statusContact statusContact statusContact status d d d display:isplay:isplay:isplay: . By marking of the associated m.c.b. handle:

“O-Off“ white on a green background = contacts opened. “I-On” white on a red background = contacts closed.

. By mechanical indicator on front face: Green = contacts opened. Red = contacts closed.

SealSealSealSealing:ing:ing:ing: . Possible in ʺOpenʺ position (OFF) or ʺCloseʺ position (ON).

Lockout::Lockout::Lockout::Lockout:: . By 5 mm padlock (cat. n° 4 063 13) or 6 mm padlock (cat. n° 0 227 97) with padlock support (cat. n° 4 063 03) in “Open” position

Consignment:Consignment:Consignment:Consignment: . On site padlocking system, possible only open circuit - 0 / OFF handle position - with 1,5mm² stripped wire for example or 2,4mm wide colring.

4. PREPARATION 4. PREPARATION 4. PREPARATION 4. PREPARATION –––– CONNECTION CONNECTION CONNECTION CONNECTION (continued)

Labelling:Labelling:Labelling:Labelling: . Circuit identification by way of a label inserted in the label holder situated on the product.

5. GENERAL CHARACTERISTICS5. GENERAL CHARACTERISTICS5. GENERAL CHARACTERISTICS5. GENERAL CHARACTERISTICS

Front side marking:Front side marking:Front side marking:Front side marking: . By permanent ink pad printing showing:

- Trade name: DX3 - Breaking curve - Rated current (in A) - Icu in kA, Breaking capacity according to IEC/ EN 60947-2 standard (25kA) - Catalogue number and logo - Mark: Legrand

ShortShortShortShort----circuit bcircuit bcircuit bcircuit breaking capacity:reaking capacity:reaking capacity:reaking capacity: . Alternate current 50/60Hz, single-phase or three-phase network, according to IEC 60947-2. B, C, D and MA curves

Un 1P 2P 3P / 4P

110 V~ 36 kA36 kA36 kA36 kA 72 kA72 kA72 kA72 kA ----

230 V~ 25 kA25 kA25 kA25 kA 50 kA50 kA50 kA50 kA 50 50 50 50 kAkAkAkA

400 V~ ---- 25 kA25 kA25 kA25 kA 25 kA25 kA25 kA25 kA

440 V~ ---- 20 kA20 kA20 kA20 kA 20 kA20 kA20 kA20 kA

500 V~

IcuIcuIcuIcu

---- 10 kA10 kA10 kA10 kA 10 kA10 kA10 kA10 kA

110 V~

230 V~

400 V~

IcsIcsIcsIcs 75% of Icu75% of Icu75% of Icu75% of Icu 75% of Icu75% of Icu75% of Icu75% of Icu 75% of Icu75% of Icu75% of Icu75% of Icu

ShortShortShortShort----circuit breaking capacity of only one circuit breaking capacity of only one circuit breaking capacity of only one circuit breaking capacity of only one pole:pole:pole:pole: . Three-phase network 220 / 380 V~ to 240 / 415 V~

- In TN neutral system, Icn1 = 25 kA (under 220 to 240 V~) - In IT neutral system, Iit = 6,25 kA (under 380 to 415 V~)

. Three-phase network 110 / 220 V~ to 120 / 240 V~ - In TN neutral system, Icn1 = 50 kA (under 110 to 127 V~) - In IT neutral system, Iit = 12,5 kA (under 220 to 240 V~)


3 / 38



5. GENERAL CHARACTERISTICS5. GENERAL CHARACTERISTICS5. GENERAL CHARACTERISTICS5. GENERAL CHARACTERISTICS (continued)

ShortShortShortShort----circuit bcircuit bcircuit bcircuit breaking capacity:reaking capacity:reaking capacity:reaking capacity: (continued) . Direct current according to standard IEC 60947-2

Un 1P 2P 3P 4P

24 ÷ 48 V d.c. 25252525 kA kA kA kA 25252525 kA kA kA kA ---- ----

110 V d.c. ---- 25252525 kA kA kA kA 25252525 kA kA kA kA ----

230 V d.c.

IcuIcuIcuIcu

---- ---- ---- 25252525 kA kA kA kA

24 ÷ 48 V d.c. 25252525 kA kA kA kA 25252525 kA kA kA kA ---- ----

110 V d.c. ---- 25252525 kA kA kA kA 25252525 kA kA kA kA ----

230 V d.c.

IcsIcsIcsIcs

---- ---- ---- 25252525 kA kA kA kA

Minimum operating voltage Minimum operating voltage Minimum operating voltage Minimum operating voltage :::: . 12 V a.c. / d.c. per pole.

Pulse rated voltage:Pulse rated voltage:Pulse rated voltage:Pulse rated voltage: . Uimp = 6 kV (wave 1.5 / 50 µs).

Insulation rated voltage:Insulation rated voltage:Insulation rated voltage:Insulation rated voltage: . Ui = 500 V.

Pollution degree::Pollution degree::Pollution degree::Pollution degree:: . 3.

Dielectric strength:Dielectric strength:Dielectric strength:Dielectric strength: . 2500 V.

Operation at 400Hz:Operation at 400Hz:Operation at 400Hz:Operation at 400Hz: . The magnetic thresholds increase by 45%.

Load to close and to open Load to close and to open Load to close and to open Load to close and to open of a pole trough theof a pole trough theof a pole trough theof a pole trough the handle: handle: handle: handle: . 0,17 Nm per pole to close. . 0,09 Nm per pole to open.

Mechanical endurance according to IEC 60947Mechanical endurance according to IEC 60947Mechanical endurance according to IEC 60947Mechanical endurance according to IEC 60947----2 :2 :2 :2 : . 20 000 operations without load . 10 000 operations with load (under In x Cos ϕ=0.9) . 2 000 operations with load (under In in DC current)

Enclosure material:Enclosure material:Enclosure material:Enclosure material: . Polyester. . Characteristics of this material: self extinguishing, heat and fire resistant according to EN 60898-1, glow-wire test at 960°C for external parts made of insulating material necessary to retain in position current-carrying parts and parts of protective circuit (650°C for all other external parts made of insulating material).


Average weight per pole:Average weight per pole:Average weight per pole:Average weight per pole: . 0,220 kg.

Volume when packed:Volume when packed:Volume when packed:Volume when packed:

Volume (dm³ )

Single pole 0,360,360,360,36

Double pole 0,630,630,630,63

Triple / Four pole 1,141,141,141,14

Ambient operating tempeAmbient operating tempeAmbient operating tempeAmbient operating temperature:rature:rature:rature: . Min. = -25°C. Max. = +70°C

Ambient storage temperature:Ambient storage temperature:Ambient storage temperature:Ambient storage temperature: . Min. = -40°C. Max. = +70°C

Protection class:Protection class:Protection class:Protection class: . Protection index of terminals against solid and liquid bodies:

IP 20 (according to IEC 529, EN 60529 et NF C 20-010). . Protection index of the box against solid and liquid bodies:

IP 40 (according to IEC 529, EN 60529 et NF C 20-010). . Protection index against mechanical shocks: IK 02 (according to EN 50102 et NF C 20-015).

Resistance to sinusoidal vibrations:Resistance to sinusoidal vibrations:Resistance to sinusoidal vibrations:Resistance to sinusoidal vibrations: . According to IEC 60068-2-35. . Axis : x, y, z. . Frequency range: 5÷100 Hz ; duration 90 minutes . Displacement (5÷13,2 Hz) : 1mm. . Acceleration (13,2÷100 Hz) : 0,7g (g=9,81 m/s2) RRRRecognitionecognitionecognitionecognition:::: . Recognition of the circuit by insertion of a label in the label holder.

Power dissipatePower dissipatePower dissipatePower dissipated per d per d per d per polepolepolepole at In (in W) : at In (in W) : at In (in W) : at In (in W) : . mcbs B, C and D curves

In 16 A 20 A 25 A 32 A 40 A 50 A 63 A

1P ÷ 4P 2,752,752,752,75 4,724,724,724,72 2,82,82,82,8 4,44,44,44,4 4,64,64,64,6 4,324,324,324,32 6,056,056,056,05

. mcb MA curve

In 12,5 A 16 A 25 A 40 A 63 A

2P ÷ 4P 2,22,22,22,2 2,752,752,752,75 2,82,82,82,8 4,64,64,64,6 6,056,056,056,05

. Impedance per pole (Ω) = Power dissipated

In2


4 / 38




Derating of circuitDerating of circuitDerating of circuitDerating of circuit----breakers according to ambient tebreakers according to ambient tebreakers according to ambient tebreakers according to ambient temperaturemperaturemperaturemperature :::: . The nominal characteristics of a circuit breaker are modified according to the ambient temperature inside the cabinet or the enclosure where the circuit breaker is located.

. Reference temperature: 40°C according IEC/EN 60947-2.

Ambient temperature / In

In (A) - 25°C - 10°C 0°C 10°C 20°C 30°C 40°C 50°C 60°C 70°C

16 21.921.921.921.9 20.020.020.020.0 18.718.718.718.7 18.018.018.018.0 17.317.317.317.3 16.616.616.616.6 16.016.016.016.0 15.415.415.415.4 14.714.714.714.7 14.114.114.114.1

20 27.727.727.727.7 25.025.025.025.0 23.223.223.223.2 22.422.422.422.4 21.621.621.621.6 20.820.820.820.8 20.020.020.020.0 19.219.219.219.2 18.418.418.418.4 17.617.617.617.6

25 34.534.534.534.5 31.531.531.531.5 29.529.529.529.5 28.328.328.328.3 27.227.227.227.2 26.026.026.026.0 25.025.025.025.0 24.024.024.024.0 22.722.722.722.7 21.721.721.721.7

30 41.741.741.741.7 38.338.338.338.3 36.036.036.036.0 33334.54.54.54.5 33.033.033.033.0 31.531.531.531.5 30.030.030.030.0 28.828.828.828.8 27.327.327.327.3 26.126.126.126.1

32 45.845.845.845.8 41.041.041.041.0 37.837.837.837.8 36.536.536.536.5 34.934.934.934.9 33.333.333.333.3 32.032.032.032.0 30.730.730.730.7 29.129.129.129.1 27.827.827.827.8

40 55.555.555.555.5 51.051.051.051.0 48.048.048.048.0 46.046.046.046.0 44.044.044.044.0 42.042.042.042.0 40.040.040.040.0 38.038.038.038.0 36.036.036.036.0 34.034.034.034.0

50 70.070.070.070.0 64.064.064.064.0 60.060.060.060.0 57.557.557.557.5 55.055.055.055.0 52.552.552.552.5 50.050.050.050.0 47.547.547.547.5 45.045.045.045.0 42.542.542.542.5

63 88.188.188.188.1 80.680.680.680.6 75.675.675.675.6 72.572.572.572.5 69.969.969.969.9 66.166.166.166.1 63.063.063.063.0 59.859.859.859.8 56.156.156.156.1 52.952.952.952.9

DeratDeratDeratDerating of MCB for use with fluorescent lights:ing of MCB for use with fluorescent lights:ing of MCB for use with fluorescent lights:ing of MCB for use with fluorescent lights: Ferromagnetic and electronic ballasts have a high inrush current for a short time. These currents can cause the tripping of circuit breakers. At the time of the installation, it should take into account the maximum number of ballasts per circuit breaker that the manufacturers of lamps and ballasts indicate in their catalogues.

Influence of the altitude:Influence of the altitude:Influence of the altitude:Influence of the altitude:

≤2000 m 3000 m 4000 m 5000 m

Dielectric holding 3000 V3000 V3000 V3000 V 2500 V2500 V2500 V2500 V 2000 V2000 V2000 V2000 V 1500 V1500 V1500 V1500 V

Max operational Voltage 400 V400 V400 V400 V 400 V400 V400 V400 V 400 V400 V400 V400 V 400 V400 V400 V400 V

Derating at 40°C nonenonenonenone nonenonenonenone nonenonenonenone nonenonenonenone

Derating of Derating of Derating of Derating of MCBMCBMCBMCBs function of the number of devices side by side:s function of the number of devices side by side:s function of the number of devices side by side:s function of the number of devices side by side: When several MCBs are juxtaposed and operate simultaneously, the thermal evacuation of the poles is limited. This results in an increase in operating temperature of the circuit breakers which can cause unwanted tripping. It is recommended to apply the following coefficients to the rated currents.

Number of circuit breakers side by side Coefficient

2 - 3 0.90.90.90.9

4 – 5 0.80.80.80.8

6 - 9 0.70.70.70.7

≥ 10 0.60.60.60.6

These values are given by the recommendation of IEC 60439-1, NF C 63421 and EN 60439-1 standards. To avoid to have to use these coefficients, it is necessary to allow a good ventilation and to separate the devices with 0.5 module spacing elements (cat. N° 4 063 07).


5 / 38


Cat N°(s)Cat N°(s)Cat N°(s)Cat N°(s): : : : 4444 097097097097 20 20 20 20 to 4 to 4 to 4 to 4 098098098098 95 95 95 95

5. GENERAL CHARACTERISTICS 5. GENERAL CHARACTERISTICS 5. GENERAL CHARACTERISTICS 5. GENERAL CHARACTERISTICS (continued):

MCB’s backMCB’s backMCB’s backMCB’s back----up protection in threeup protection in threeup protection in threeup protection in three----phasephasephasephase network (+ neutal) 400 / 415 V~ according to IEC/EN 60947 network (+ neutal) 400 / 415 V~ according to IEC/EN 60947 network (+ neutal) 400 / 415 V~ according to IEC/EN 60947 network (+ neutal) 400 / 415 V~ according to IEC/EN 60947----2:2:2:2: For TT or TN neutral system in 230/400 V network, to know the breaking capacity of the combination of a double pole breaker (connected between phase and neutral under 230V) downstream of a triple-pole circuit-breaker, take the values shown in Tables 230/400V.

Fuse upstreamFuse upstreamFuse upstreamFuse upstream

gG type

m.c.b. downstreamm.c.b. downstreamm.c.b. downstreamm.c.b. downstream ≤20A 25A 32A 40A 50A 63A 80A 100A 125A 160A

16A ---- 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA

20A ---- ---- 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA

25A ---- ---- ---- 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA

32A ---- ---- ---- ---- 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA

40A ---- ---- ---- ---- ---- 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA

50A ---- ---- ---- ---- ---- ---- 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA 100kA100kA100kA100kA

DX3 25kA

B, C and D curves



aM type








DX3 25kA

B, C and D curves


All these values are also valid for circuit breakers associated to differential blocks. According to the curves and ratings of circuit breakers, attention to the magnetic threshold and to the size of upstream circuit breakers which must necessarily be higher.


6 / 38

DXDXDXDX3333 MCB MCB MCB MCB 25kA up to 63A25kA up to 63A25kA up to 63A25kA up to 63A (1,5 modules per p(1,5 modules per p(1,5 modules per p(1,5 modules per poooole)le)le)le)



MCB’s backMCB’s backMCB’s backMCB’s back----up protection in threeup protection in threeup protection in threeup protection in three----phasephasephasephase network network network network (+ neutal) 400 / 415 V~ according to IEC/EN 60947 (+ neutal) 400 / 415 V~ according to IEC/EN 60947 (+ neutal) 400 / 415 V~ according to IEC/EN 60947 (+ neutal) 400 / 415 V~ according to IEC/EN 60947----2:2:2:2: For TT or TN neutral system in 230/400 V network, to know the breaking capacity of the combination of a double pole breaker (connected between phase and neutral under 230V) downstream of a triple-pole circuit-breaker, take the values shown in Tables 230/400V.

m.c.b. upstreamm.c.b. upstreamm.c.b. upstreamm.c.b. upstream

DX3 36kA DX3 50kA

C curve B, C and D curves

m.c.b. downstreamm.c.b. downstreamm.c.b. downstreamm.c.b. downstream ≤25A 32A 40A 50A 63A 80A ≤25A 32A 40A 50A 63A

32A ---- ---- 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA ---- ---- 50kA50kA50kA50kA 50kA50kA50kA50kA 50kA50kA50kA50kA

40A ---- ---- ---- 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA ---- ---- ---- 50kA50kA50kA50kA 50kA50kA50kA50kA

50A ---- ---- ---- ---- 36kA36kA36kA36kA 36kA36kA36kA36kA ---- ---- ---- ---- 50kA50kA50kA50kA

DX3 25kA

B and C curves

63A ---- ---- ---- ---- ---- 36kA36kA36kA36kA ---- ---- ---- ---- ----


DX3 36kA DX3 50kA

C curve B and C curves


16A ---- 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA ---- 50kA50kA50kA50kA 50kA50kA50kA50kA 50kA50kA50kA50kA 50kA50kA50kA50kA




40A ---- ---- ---- ---- ---- 36kA36kA36kA36kA ---- ---- ---- ---- ----

50A ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----

DX3 25kA

D curve

63A ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----


DX3 50kA

D curve

m.c.b. downstreamm.c.b. downstreamm.c.b. downstreamm.c.b. downstream ≤25A 32A 40A 50A 63A

16A 50kA50kA50kA50kA 50kA50kA50kA50kA 50kA50kA50kA50kA 50kA50kA50kA50kA 50kA50kA50kA50kA


25A ---- 50kA50kA50kA50kA 50kA50kA50kA50kA 50kA50kA50kA50kA 50kA50kA50kA50kA

32A ---- ---- 50kA50kA50kA50kA 50kA50kA50kA50kA 50kA50kA50kA50kA

40A ---- ---- ---- 50kA50kA50kA50kA 50kA50kA50kA50kA

50A ---- ---- ---- ---- 50kA50kA50kA50kA

DX3 25kA

D curve

63A ---- ---- ---- ---- ----



7 / 38




MCB’s backMCB’s backMCB’s backMCB’s back----up protection in threeup protection in threeup protection in threeup protection in three----phasephasephasephase network network network network (+ neutal) 400 / 415 V~ according to IEC/EN 60947(+ neutal) 400 / 415 V~ according to IEC/EN 60947(+ neutal) 400 / 415 V~ according to IEC/EN 60947(+ neutal) 400 / 415 V~ according to IEC/EN 60947----2:2:2:2: For TT or TN neutral system in 230/400 V network, to know the breaking capacity of the combination of a double pole breaker (connected between phase and neutral under 230V) downstream of a triple-pole circuit-breaker, take the values shown in Tables 230/400V.

m.c.c.b.m.c.c.b.m.c.c.b.m.c.c.b. upstream upstream upstream upstream

DPX 125 DPX3 160 / DPX3 160 + diff.

36kA 50kA

m.c.b. downstreamm.c.b. downstreamm.c.b. downstreamm.c.b. downstream 16A 25A 40A 63A 100A 125A 16A 25A 40A 63A 80A 100A 125A 160A

16A ---- 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA ---- 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA

20A ---- 30kA30kA30kA30kA 30kA30kA30kA30kA 30303030kAkAkAkA 30kA30kA30kA30kA 30kA30kA30kA30kA ---- 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA

25A ---- ---- 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA ---- ---- 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA


40A ---- ---- ---- 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA ---- ---- ---- 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA

50A ---- ---- ---- 30kA30kA30kA30kA 30k30k30k30kAAAA 30kA30kA30kA30kA ---- ---- ---- 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA

DX3 25kA

B, C and D curves

63A ---- ---- ---- ---- 30kA30kA30kA30kA 30kA30kA30kA30kA ---- ---- ---- ---- 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA

m.c.c.b. upstreamm.c.c.b. upstreamm.c.c.b. upstreamm.c.c.b. upstream

DPX 160 DPX 250ER DPX 250ER AB

36 - 50kA 36 - 50kA 36kA

m.c.b. downstreamm.c.b. downstreamm.c.b. downstreamm.c.b. downstream 25A 40A 63A 100A 125A 100A 160A 250A 90A 130A 170A 240A

16A 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA


25A ---- 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA

32A ---- ---- 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA


50A ---- ---- ---- 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA

DX3 25kA

B, C and D curves

63A ---- ---- 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA



8 / 38




MCB’s backMCB’s backMCB’s backMCB’s back----up protection in threeup protection in threeup protection in threeup protection in three----phasephasephasephase network network network network (+ neutal) 400 / 415 V~ according to IEC/EN 60947(+ neutal) 400 / 415 V~ according to IEC/EN 60947(+ neutal) 400 / 415 V~ according to IEC/EN 60947(+ neutal) 400 / 415 V~ according to IEC/EN 60947----2:2:2:2: For TT or TN neutral system in 230/400 V network, to know the breaking capacity of the combination of a double pole breaker (connected between phase and neutral under 230V) downstream of a triple-pole circuit-breaker, take the values shown in Tables 230/400V.

m.c.c.b. upstream.c.c.b. upstream.c.c.b. upstream.c.c.b. upstreammmm

DPX3250 / DPX3250+diff. DPX 400AB

36 - 70kA 36kA

m.c.b. downstreamm.c.b. downstreamm.c.b. downstreamm.c.b. downstream 100A 160A 200A 250A 320A 400A

16A 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA






DX3 25kA

B, C and D curves




9 / 38


CatCatCatCat N°(s): N°(s): N°(s): N°(s): 4444 097097097097 20 20 20 20 to 4 to 4 to 4 to 4 098098098098 95 95 95 95




DPX / H / L 250 DPX / DPXH / DPXL 630MT

36 – 70 – 100kA 36 – 70 – 100kA

m.c.b. downstreamm.c.b. downstreamm.c.b. downstreamm.c.b. downstream 25A 40A 63A 100A 160A 250A 250A 320A 400A 500A 630A

32A ---- 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA


50A ---- ---- 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36363636kAkAkAkA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA

DX3 25kA

B and C curves

63A ---- ---- ---- 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA


DPX / H / L 250 DPX / DPXH / DPXL 630MT

36 – 70 – 100kA 36 – 70 – 100kA

m.c.b. downstreamm.c.b. downstreamm.c.b. downstreamm.c.b. downstream 25A 40A 63A 100A 160A 250A 250A 320A 400A 500A 630A

16A 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA

20A 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA





DX3 25kA

D curve

63A ---- ---- ---- 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA


DPX 125 DPX3 160 / DPX3 160 + diff.

36kA 50kA

m.c.b. downstreamm.c.b. downstreamm.c.b. downstreamm.c.b. downstream 16A 25A 40A 63A 100A 125A 16A 25A 40A 63A 80A 100A 125A 160A

12,5A 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA

16A ---- 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA ---- 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA


40A ---- ---- ---- 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA ---- ---- ---- 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA

DX3 25kA

MA curve

63A ---- ---- ---- ---- 30kA30kA30kA30kA 30kA30kA30kA30kA ---- ---- ---- ---- 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA



10 / 38


Cat Cat Cat Cat N°(s): N°(s): N°(s): N°(s): 4444 097097097097 20 20 20 20 to 4 to 4 to 4 to 4 098098098098 95 95 95 95




DPX 160 DPX 250ER DPX 250ER AB

36 - 50kA 36 - 50kA 36kA


12,5A 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA


25A ---- 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30303030kAkAkAkA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA


DX3 25kA

MA curve

63A ---- ---- ---- 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA 30kA30kA30kA30kA


DPX3250 / DPX3250+diff. DPX / H / L 250 DPX 400AB

36 - 70kA 36 – 70 – 100kA 36kA


12,5A 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA


25A 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36363636kAkAkAkA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA


DX3 25kA

MA curve



DPX / DPXH / DPXL 630MT

36 – 70 – 100kA

m.c.b. downstreamm.c.b. downstreamm.c.b. downstreamm.c.b. downstream 250A 320A 400A 500A 630A

12,5A 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA 36kA36kA36kA36kA




DX3 25kA

MA curve




11 / 38




MCB’s backMCB’s backMCB’s backMCB’s back----up protection in threeup protection in threeup protection in threeup protection in three----phasephasephasephase network network network network (+ neutal) 230 / 240 V~ according to IEC/EN 60947 (+ neutal) 230 / 240 V~ according to IEC/EN 60947 (+ neutal) 230 / 240 V~ according to IEC/EN 60947 (+ neutal) 230 / 240 V~ according to IEC/EN 60947----2:2:2:2: Fuse upstreFuse upstreFuse upstreFuse upstreamamamam

gG type








DX3 25kA

B, C and D curves



aM type








DX3 25kA

B, C and D curves


Coordination between modular circuitCoordination between modular circuitCoordination between modular circuitCoordination between modular circuit----breakers, threebreakers, threebreakers, threebreakers, three----phase network (+ neutal) 230 / 240 V~ according to IEC/EN 60947phase network (+ neutal) 230 / 240 V~ according to IEC/EN 60947phase network (+ neutal) 230 / 240 V~ according to IEC/EN 60947phase network (+ neutal) 230 / 240 V~ according to IEC/EN 60947----2:2:2:2: m.c.b. um.c.b. um.c.b. um.c.b. upstreampstreampstreampstream

DX3 36kA DX3 50kA

C curve B, C and D curves





DX3 25kA

B and C curves

63A ---- ---- ---- ---- ---- 60kA60kA60kA60kA ---- ---- ---- ---- ----



12 / 38




MCB’s MCB’s MCB’s MCB’s backbackbackback----up protection in threeup protection in threeup protection in threeup protection in three----phasephasephasephase network network network network (+ neutal) 230 / 240 V~ according to IEC/EN 60947 (+ neutal) 230 / 240 V~ according to IEC/EN 60947 (+ neutal) 230 / 240 V~ according to IEC/EN 60947 (+ neutal) 230 / 240 V~ according to IEC/EN 60947----2:2:2:2: m.c.b. upstreamm.c.b. upstreamm.c.b. upstreamm.c.b. upstream

DX3 36kA DX3 50kA

C Curve B and C curves


16A ---- 60kA60kA60kA60kA 60kA60kA60kA60kA 60kA60kA60kA60kA 60kA60kA60kA60kA 60kA60kA60kA60kA ---- 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA




40A ---- ---- ---- ---- ---- 60kA60kA60kA60kA ---- ---- ---- ---- ----

50A ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----

DX3 25kA

Curve D

63A ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----


DX3 50kA

D curve

m.c.b. downstreamm.c.b. downstreamm.c.b. downstreamm.c.b. downstream ≤25A 32A 40A 50A 63A



25A ---- 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA

32A ---- ---- 70kA70kA70kA70kA 70kA70kA70kA70kA 70kA70kA70kA70kA

40A ---- ---- ---- 70kA70kA70kA70kA 70kA70kA70kA70kA

50A ---- ---- ---- ---- 70kA70kA70kA70kA

DX3 25kA

D curve

63A ---- ---- ---- ---- ----



13 / 38




MCB’s backMCB’s backMCB’s backMCB’s back----up protection in threeup protection in threeup protection in threeup protection in three----phasephasephasephase network network network network (+ neutal) 230 / 240 V~ according to IEC/EN 60947 (+ neutal) 230 / 240 V~ according to IEC/EN 60947 (+ neutal) 230 / 240 V~ according to IEC/EN 60947 (+ neutal) 230 / 240 V~ according to IEC/EN 60947----2:2:2:2: m.c.c.b. upstreamm.c.c.b. upstreamm.c.c.b. upstreamm.c.c.b. upstream

DPX3 160 / DPX3 160 + diff.

50kA

m.c.b. downstreamm.c.b. downstreamm.c.b. downstreamm.c.b. downstream 16A 25A 40A 63A 80A 100A 125A 160A

32A ---- ---- 65kA65kA65kA65kA 65kA65kA65kA65kA 65kA65kA65kA65kA 65kA65kA65kA65kA 65kA65kA65kA65kA 65kA65kA65kA65kA

40A ---- ---- ---- 65kA65kA65kA65kA 65kA65kA65kA65kA 65kA65kA65kA65kA 65kA65kA65kA65kA 65kA65kA65kA65kA


DX3 25kA

B and C Curves

63A ---- ---- ---- ---- 65kA65kA65kA65kA 65kA65kA65kA65kA 65kA65kA65kA65kA 65kA65kA65kA65kA


DPX3 160 / DPX3 160 + diff.

50kA


16A ---- 65kA65kA65kA65kA 65kA65kA65kA65kA 65kA65kA65kA65kA 65kA65kA65kA65kA 65kA65kA65kA65kA 65kA65kA65kA65kA 65kA65kA65kA65kA

20A ---- 65kA65kA65kA65kA 65kA65kA65kA65kA 65kA65kA65kA65kA 65kA65kA65kA65kA 65kA65kA65kA65kA 65kA65kA65kA65kA 65kA65kA65kA65kA





DX3 25kA

D curve

63A ---- ---- ---- ---- 65kA65kA65kA65kA 65kA65kA65kA65kA 65kA65kA65kA65kA 65kA65kA65kA65kA


DPX 160 DPX 250ER DPX3 250 / DPX3 250 + diff.

50kA 50kA 70kA








DX3 25kA

B, C and D curves

63A ---- ---- ---- 55kA55kA55kA55kA 55kA55kA55kA55kA 55kA55kA55kA55kA 55555555kAkAkAkA 55kA55kA55kA55kA 60kA60kA60kA60kA 60kA60kA60kA60kA 60kA60kA60kA60kA 60kA60kA60kA60kA

All these values are also valid for circuit breakers associated to differential blocks. According to the curves and ratings of circuit breakers, attention to the threshold and size of upstream fuse which must necessarily be higher


14 / 38




MCB’s backMCB’s backMCB’s backMCB’s back----up protection in threeup protection in threeup protection in threeup protection in three----phasephasephasephase network network network network (+ neuta(+ neuta(+ neuta(+ neutal) 230 / 240 V~ according to IEC/EN 60947l) 230 / 240 V~ according to IEC/EN 60947l) 230 / 240 V~ according to IEC/EN 60947l) 230 / 240 V~ according to IEC/EN 60947----2:2:2:2: m.c.c.b. upstreamm.c.c.b. upstreamm.c.c.b. upstreamm.c.c.b. upstream

DPX 250 DPX H / L 250

36kA 70 – 100kA




25A ---- 55kA55kA55kA55kA 55kA55kA55kA55kA 55kA55kA55kA55kA 55kA55kA55kA55kA 55kA55kA55kA55kA ---- 60kA60kA60kA60kA 60kA60kA60kA60kA 60kA60kA60kA60kA 60kA60kA60kA60kA 60kA60kA60kA60kA


40A ---- ---- 55kA55kA55kA55kA 55kA55kA55kA55kA 55kA55kA55kA55kA 55kA55kA55kA55kA ---- ---- 60kA60kA60kA60kA 60kA60kA60kA60kA 60kA60kA60kA60kA 60kA60kA60kA60kA


DX3 25kA

B, C and D curves

63A ---- ---- ---- 55kA55kA55kA55kA 55kA55kA55kA55kA 55kA55kA55kA55kA ---- ---- 60kA60kA60kA60kA 60kA60kA60kA60kA 60kA60kA60kA60kA


DPX 630MT DPX H / L 630

36kA 70 – 100kA








DX3 25kA

B, C and D curves

63A ---- ---- ---- 55kA55kA55kA55kA 55kA55kA55kA55kA 55kA55kA55kA55kA ---- ---- 60kA60kA60kA60kA 60kA60kA60kA60kA 60kA60kA60kA60kA



15 / 38

DXDXDXDX3333 MCB 25kA up to MCB 25kA up to MCB 25kA up to MCB 25kA up to 63A 63A 63A 63A (1,5 modules per p(1,5 modules per p(1,5 modules per p(1,5 modules per poooole)le)le)le)


5555. GENERAL CHARACTERISTICS. GENERAL CHARACTERISTICS. GENERAL CHARACTERISTICS. GENERAL CHARACTERISTICS (continued)

Selectivity between two levels of protectionSelectivity between two levels of protectionSelectivity between two levels of protectionSelectivity between two levels of protection . The downstream circuit breaker must always have a magnetic threshold and a rated current lower than those of the upstream protection. . Selectivity is indicated total (T) if there is selectivity up to the value of breaking capacity (according to IEC / EN 60947-2) of the downstream circuit breaker.

Selectivity between modular circuit breakers and fuses:Selectivity between modular circuit breakers and fuses:Selectivity between modular circuit breakers and fuses:Selectivity between modular circuit breakers and fuses: . Selectivity limit at 400V~: values in Ampere.


gG type


32A ---- ---- 1200120012001200 1700170017001700 1900190019001900 3500350035003500 4500450045004500 8000800080008000

40A ---- ---- ---- ---- 1700170017001700 3000300030003000 4000400040004000 6000600060006000

50A ---- ---- ---- ---- 1600160016001600 2600260026002600 3500350035003500 5000500050005000

DX3 25kA

B and C curves

63A ---- ---- ---- ---- ---- 2400240024002400 3300330033003300 5000500050005000

16A ---- 1400140014001400 1800180018001800 2600260026002600 3000300030003000 5600560056005600 8000800080008000 15000150001500015000

20A ---- 1200120012001200 1500150015001500 2200220022002200 2500250025002500 4600460046004600 6300630063006300 10000100001000010000

25A ---- ---- 1200120012001200 1800180018001800 2100210021002100 3700370037003700 5000500050005000 6000600060006000

32A ---- ---- ---- 1500150015001500 1800180018001800 3000300030003000 4000400040004000 5000500050005000

40A ---- ---- ---- ---- 1700170017001700 2600260026002600 3500350035003500 4500450045004500

50A ---- ---- ---- ---- 1400140014001400 2000200020002000 3000300030003000 4000400040004000

DX3 25kA

D curve

63A ---- ---- ---- ---- ---- 2000200020002000 3000300030003000 4000400040004000


aM type

m.c.b. downstreamm.c.b. downstreamm.c.b. downstreamm.c.b. downstream 25A 32A 40A 50A 63A 80A 100A 125A 160A

32A ---- ---- ---- 1300130013001300 2400240024002400 3800380038003800 5000500050005000 7700770077007700 9000900090009000

40A ---- ---- ---- ---- 2100210021002100 3100310031003100 4200420042004200 6400640064006400 7000700070007000

50A ---- ---- ---- ---- 2000200020002000 2900290029002900 3700370037003700 6000600060006000 6000600060006000

DX3 25kA

B and C curves

63A ---- ---- ---- ---- ---- 2800280028002800 3500350035003500 5500550055005500 6000600060006000

16A ---- 1000100010001000 1400140014001400 2100210021002100 4000400040004000 6000600060006000 9000900090009000 21000210002100021000 25000250002500025000

20A ---- ---- 1300130013001300 1800180018001800 3400340034003400 5100510051005100 7000700070007000 14000140001400014000 20000200002000020000

25A ---- ---- 1000100010001000 1500150015001500 2700270027002700 4000400040004000 5500550055005500 9000900090009000 12000120001200012000

32A ---- ---- ---- 1111111100000000 2100210021002100 3500350035003500 4700470047004700 7500750075007500 10000100001000010000

40A ---- ---- ---- ---- 1800180018001800 2800280028002800 4000400040004000 6000600060006000 7000700070007000

50A ---- ---- ---- ---- 1800180018001800 2500250025002500 3500350035003500 5500550055005500 6000600060006000

DX3 25kA

D curve

63A ---- ---- ---- ---- ---- 2500250025002500 3500350035003500 5500550055005500 6000600060006000


16 / 38

DXDXDXDX3333 MCB 25kA up to 63A MCB 25kA up to 63A MCB 25kA up to 63A MCB 25kA up to 63A (1,5 modules pe(1,5 modules pe(1,5 modules pe(1,5 modules per pr pr pr poooole)le)le)le)



Selectivity between modular circuit breakers:Selectivity between modular circuit breakers:Selectivity between modular circuit breakers:Selectivity between modular circuit breakers: . Selectivity limit at 400V~: values in Ampere.


DX3 50kA

C curve


32A ---- ---- ---- ---- ---- 300300300300 500500500500 600600600600

40A ---- ---- ---- ---- ---- ---- 400400400400 600600600600

50A ---- ---- ---- ---- ---- ---- ---- 500500500500

DX3 25kA

B and C curves

63A ---- ---- ---- ---- ---- ---- ---- ----

16A ---- ---- ---- ---- 300300300300 500500500500 700700700700 1300130013001300

20A ---- ---- ---- ---- ---- 400400400400 500500500500 1000100010001000

25A ---- ---- ---- ---- ---- ---- 500500500500 800800800800

32A ---- ---- ---- ---- ---- ---- ---- 600600600600

40A ---- ---- ---- ---- ---- ---- ---- ----

50A ---- ---- ---- ---- ---- ---- ---- ----

DX3 25kA

D curve

63A ---- ---- ---- ---- ---- ---- ---- ----


DX3 50kA

D curve


16A ---- ---- 240240240240 300300300300 384384384384 500500500500 700700700700 1300130013001300

20A ---- ---- ---- 300300300300 384384384384 480480480480 600600600600 1000100010001000

25A ---- ---- ---- ---- 384384384384 480480480480 600600600600 800800800800

32A ---- ---- ---- ---- ---- 480480480480 600600600600 756756756756

40A ---- ---- ---- ---- ---- ---- 600600600600 756756756756

50A ---- ---- ---- ---- ---- ---- ---- 756756756756

DX3 25kA

B, C and D curves

63A ---- ---- ---- ---- ---- ---- ---- ----


17 / 38




Selectivity between modular circuit breakers and M.C.C.B.s:Selectivity between modular circuit breakers and M.C.C.B.s:Selectivity between modular circuit breakers and M.C.C.B.s:Selectivity between modular circuit breakers and M.C.C.B.s: . Selectivity limit at 400V~: values in Ampere.


DPX3160E / B / N

DPX3160E / B / N + diff. DPX 160

16 - 25 - 50kA 25 – 36 – 50kA

m.c.b. downstreamm.c.b. downstreamm.c.b. downstreamm.c.b. downstream 16A 25A 40A 63A 80A 100A 125A 160A 25A 40A 63A 100A 160A

32A ---- ---- ---- TTTT TTTT TTTT TTTT TTTT ---- ---- 2000200020002000 3500350035003500 7000700070007000


50A ---- ---- ---- 4000400040004000 4000400040004000 5000500050005000 10000100001000010000 10000100001000010000 ---- ---- ---- 2000200020002000 5500550055005500

DX3 25kA

B and C curves

63A ---- ---- ---- ---- 3000300030003000 5000500050005000 10000100001000010000 10000100001000010000 ---- ---- ---- 2000200020002000 5000500050005000

16A ---- TTTT TTTT TTTT TTTT TTTT TTTT TTTT 6000600060006000 6000600060006000 6000600060006000 6000600060006000 TTTT

20A ---- ---- TTTT TTTT TTTT TTTT TTTT TTTT ---- 5000500050005000 5000500050005000 5000500050005000 18000180001800018000




50A ---- ---- ---- ---- 4000400040004000 5000500050005000 10000100001000010000 10000100001000010000 ---- ---- ---- 3000300030003000 5500550055005500

DX3 25kA

D curve

63A ---- ---- ---- ---- 3000300030003000 5000500050005000 10000100001000010000 10000100001000010000 ---- ---- ---- 3000300030003000 5000500050005000

12,5A TTTT TTTT TTTT TTTT TTTT TTTT TTTT TTTT 7000700070007000 7000700070007000 7500750075007500 7500750075007500 TTTT

16A ---- TTTT TTTT TTTT TTTT TTTT TTTT TTTT 6000600060006000 6000600060006000 6000600060006000 6000600060006000 TTTT



DX3 25kA

MA curve

63A ---- ---- ---- ---- 3000300030003000 5000500050005000 10000100001000010000 10000100001000010000 ---- ---- ---- 3000300030003000 6000600060006000


18 / 38

DXDXDXDX3333 MCB 25kA MCB 25kA MCB 25kA MCB 25kA up to 63Aup to 63Aup to 63Aup to 63A (1,5 modules per p(1,5 modules per p(1,5 modules per p(1,5 modules per poooole)le)le)le)





DPX 250ER DPX 250ER AB DPX 250 / H / L

25 – 36 – 50kA 36kA 25 - 70 - 100kA

m.c.b. downstreamm.c.b. downstreamm.c.b. downstreamm.c.b. downstream 100A 160A 250A 90A 130A 170A 240A 25A 40A 63A 100A 160A 250A

32A 4000400040004000 7000700070007000 TTTT TTTT TTTT TTTT TTTT ---- ---- 2000200020002000 5000500050005000 TTTT TTTT

40A 3500350035003500 6000600060006000 TTTT 8888 TTTT TTTT TTTT ---- ---- 2000200020002000 5000500050005000 10000100001000010000 TTTT

50A 2000200020002000 5500550055005500 7000700070007000 4500450045004500 4500450045004500 TTTT TTTT ---- ---- ---- 4000400040004000 8000800080008000 TTTT

DX3 25kA

B and C curves

63A 2000200020002000 5000500050005000 5000500050005000 4500450045004500 4500450045004500 TTTT TTTT ---- ---- ---- 4000400040004000 8000800080008000 TTTT

16A 6000600060006000 TTTT TTTT TTTT TTTT TTTT TTTT ---- 4000400040004000 4000400040004000 10000100001000010000 TTTT TTTT




40A 4500450045004500 6000600060006000 TTTT 8000800080008000 TTTT TTTT TTTT ---- ---- ---- 5000500050005000 10000100001000010000 TTTT

50A 3500350035003500 5500550055005500 TTTT 4000400040004000 4000400040004000 TTTT TTTT ---- ---- ---- 4000400040004000 8000800080008000 TTTT

DX3 25kA

D curve

63A 3500350035003500 5000500050005000 6000600060006000 4000400040004000 4000400040004000 TTTT TTTT ---- ---- ---- 4000400040004000 8000800080008000 TTTT

12,5A TTTT TTTT TTTT TTTT TTTT TTTT TTTT 5000500050005000 5000500050005000 5000500050005000 TTTT TTTT TTTT



40A 4500450045004500 6000600060006000 TTTT 4500450045004500 TTTT TTTT TTTT ---- ---- ---- 5000500050005000 10000100001000010000 TTTT

DX3 25kA

MA curve

63A 3500350035003500 5000500050005000 6000600060006000 3500350035003500 3500350035003500 TTTT TTTT ---- ---- ---- 4000400040004000 8000800080008000 TTTT


19 / 38






DPX3 250

DPX3 250 + diff. DPX 400AB

25 - 36 - 70kA 36kA

m.c.b. downstreamm.c.b. downstreamm.c.b. downstreamm.c.b. downstream 100A 160A 200A 250A 320A 400A

32A TTTT TTTT TTTT TTTT TTTT TTTT


50A 20000200002000020000 TTTT TTTT TTTT TTTT TTTT

DX3 25kA

B and C curves








DX3 25kA

D curve


12,5A TTTT TTTT TTTT TTTT TTTT TTTT




DX3 25kA

MA curve

63A ---- TTTT TTTT TTTT TTTT TTTT


20 / 38



6. CONFORMITIES AND APPROVALS6. CONFORMITIES AND APPROVALS6. CONFORMITIES AND APPROVALS6. CONFORMITIES AND APPROVALS

Compliance to standardsCompliance to standardsCompliance to standardsCompliance to standards:::: . Standard reference: IEC/EN 60947-2 with 25 kA breaking capacity . CEE guidelines : 73/23/CEE + 93/68/CEE . Legrand circuit-breakers can be used under the conditions of use as defined by IEC / EN 60947. . The performance of circuit breakers can be influenced by particular climates: hot dry, cold dry, hot humid, salt fog atmosphere

Classification according to Annex QClassification according to Annex QClassification according to Annex QClassification according to Annex Q (standard IEC/EN 60947(standard IEC/EN 60947(standard IEC/EN 60947(standard IEC/EN 60947----1)1)1)1) :::: . Category C with a range test temperature -25 °C / +70 °C . salt fog atmosphere according IEC 60068-2-52

Respect of the environment Respect of the environment Respect of the environment Respect of the environment –––– Compliance Compliance Compliance Compliance with CEE directives: with CEE directives: with CEE directives: with CEE directives: . Compliance with Directive 2002/95/EC of 27/01/03 called "RoHS" which provides for the banning of hazardous substances such as lead, mercury, cadmium, hexavalent chromium, brominated flame retardants polybrominated biphenyls (PBBs) and polybrominated diphenyl ethers (PBDEs) from 1st July 2006 . Compliance with Directive 91/338/CEE of 18/06/91 and Decree 94-647 of 27/07/04

Plastic materialsPlastic materialsPlastic materialsPlastic materials : : : : . Halogens-free plastic materials. . Marking of parts according to ISO 11469 and ISO 1043.

PPPPackaging:ackaging:ackaging:ackaging: . Design and manufacture of packaging in accordance with Decree 98-638 of 07.20.98 and Directive 94/62/EC


21 / 38



7. CURVES7. CURVES7. CURVES7. CURVES

CCCCurrent urrent urrent urrent limiting limiting limiting limiting curvecurvecurvecurvessss: : : :

.B, C, D, and MA curves

. Icc = Square value of symmetric component of the short circuit current ( kA ). . IP = Max peak value ( kA )


22 / 38



7. CURVES7. CURVES7. CURVES7. CURVES (continued)

Operating characteristic of circuit breakers BOperating characteristic of circuit breakers BOperating characteristic of circuit breakers BOperating characteristic of circuit breakers B curve curve curve curve ::::


23 / 38

DXDXDXDX3333 MCB 25k MCB 25k MCB 25k MCB 25kA up to 63AA up to 63AA up to 63AA up to 63A (1,5 modules per p(1,5 modules per p(1,5 modules per p(1,5 modules per poooole)le)le)le)



. . . . TTTThermal energy hermal energy hermal energy hermal energy limiting limiting limiting limiting curvecurvecurvecurvessss of circuit breakers B of circuit breakers B of circuit breakers B of circuit breakers B curve curve curve curve, 2P (230V~ / 50Hz), 2P (230V~ / 50Hz), 2P (230V~ / 50Hz), 2P (230V~ / 50Hz) ::::

. Icc = Square value of symmetric component of the short circuit current ( kA ). . I2t = Thermal energy limited (A²s).


24 / 38




.... T T T Thermal energy hermal energy hermal energy hermal energy limiting limiting limiting limiting curvecurvecurvecurvessss o o o of circuit breakers Bf circuit breakers Bf circuit breakers Bf circuit breakers B curve curve curve curve, 2P (400V~ / 50Hz), 2P (400V~ / 50Hz), 2P (400V~ / 50Hz), 2P (400V~ / 50Hz) ::::



25 / 38

DXDXDXDX3333 MCB 25k MCB 25k MCB 25k MCB 25kA up to 63AA up to 63AA up to 63AA up to 63A (1,5 modules per p(1,5 modules per p(1,5 modules per p(1,5 modules per poooole)le)le)le)



.... T T T Thermal energy hermal energy hermal energy hermal energy limiting limiting limiting limiting curvecurvecurvecurvessss of circuit breakers B of circuit breakers B of circuit breakers B of circuit breakers B curve curve curve curve, 3P / 4P (400V~ / 50Hz), 3P / 4P (400V~ / 50Hz), 3P / 4P (400V~ / 50Hz), 3P / 4P (400V~ / 50Hz) ::::



26 / 38




Operating characteristic of cOperating characteristic of cOperating characteristic of cOperating characteristic of circuit breakers Circuit breakers Circuit breakers Circuit breakers C curvecurvecurvecurve::::


27 / 38




.... T T T Thermal energy hermal energy hermal energy hermal energy limiting limiting limiting limiting curvecurvecurvecurvessss of circuit breake of circuit breake of circuit breake of circuit breakers rs rs rs C curveC curveC curveC curve , 2P (230V~ / 50Hz) , 2P (230V~ / 50Hz) , 2P (230V~ / 50Hz) , 2P (230V~ / 50Hz) ::::



28 / 38

DXDXDXDX3333 MCB 25kA up to 63A MCB 25kA up to 63A MCB 25kA up to 63A MCB 25kA up to 63A (1,(1,(1,(1,5 modules per p5 modules per p5 modules per p5 modules per poooole)le)le)le)



.... T T T Thermal energy hermal energy hermal energy hermal energy limiting limiting limiting limiting curvecurvecurvecurvessss of circuit breakers of circuit breakers of circuit breakers of circuit breakers C curveC curveC curveC curve, 2P (400V~ / 50Hz), 2P (400V~ / 50Hz), 2P (400V~ / 50Hz), 2P (400V~ / 50Hz) ::::



29 / 38




.... T T T Thermal energy hermal energy hermal energy hermal energy limiting limiting limiting limiting curvecurvecurvecurvessss of circuit break of circuit break of circuit break of circuit breakers ers ers ers C curveC curveC curveC curve, 1P / 3P / 4P (400V~ / 50Hz), 1P / 3P / 4P (400V~ / 50Hz), 1P / 3P / 4P (400V~ / 50Hz), 1P / 3P / 4P (400V~ / 50Hz) ::::



30 / 38

DXDXDXDX3333 MCB 25kA up MCB 25kA up MCB 25kA up MCB 25kA up to 63Ato 63Ato 63Ato 63A (1,5 modules per p(1,5 modules per p(1,5 modules per p(1,5 modules per poooole)le)le)le)



Operating characteristic of circuit breakers DOperating characteristic of circuit breakers DOperating characteristic of circuit breakers DOperating characteristic of circuit breakers D curvecurvecurvecurve::::


31 / 38




.... T T T Thermal energy hermal energy hermal energy hermal energy limiting limiting limiting limiting curvecurvecurvecurvessss of circuit breakers of circuit breakers of circuit breakers of circuit breakers D curveD curveD curveD curve, 2P (230V~ / 50Hz), 2P (230V~ / 50Hz), 2P (230V~ / 50Hz), 2P (230V~ / 50Hz) ::::



32 / 38




. . . . TTTThermal energy hermal energy hermal energy hermal energy limiting limiting limiting limiting curvecurvecurvecurvessss of circuit br of circuit br of circuit br of circuit breakers eakers eakers eakers D curveD curveD curveD curve, 2P (400V~ / 50Hz), 2P (400V~ / 50Hz), 2P (400V~ / 50Hz), 2P (400V~ / 50Hz) ::::

. Icc = Square value of symmetric component of the short circuit current ( kA ).

. I2t = Thermal energy limited (A²s).


33 / 38



7. 7. 7. 7. CCCCURVESURVESURVESURVES (continued)

.... T T T Thermal energy hermal energy hermal energy hermal energy limiting limiting limiting limiting curvecurvecurvecurvessss of circuit breakers of circuit breakers of circuit breakers of circuit breakers D curveD curveD curveD curve, 1P / 3P / 4P (400V~ / 50Hz), 1P / 3P / 4P (400V~ / 50Hz), 1P / 3P / 4P (400V~ / 50Hz), 1P / 3P / 4P (400V~ / 50Hz) ::::



34 / 38




Operating characteristic of circuit Operating characteristic of circuit Operating characteristic of circuit Operating characteristic of circuit breakers MAbreakers MAbreakers MAbreakers MA curvecurvecurvecurve::::


35 / 38




.... T T T Thermal energy hermal energy hermal energy hermal energy limiting limiting limiting limiting curvecurvecurvecurvessss of circuit breakers of circuit breakers of circuit breakers of circuit breakers MA MA MA MA curvecurvecurvecurve, 2P (230V~ / 50Hz), 2P (230V~ / 50Hz), 2P (230V~ / 50Hz), 2P (230V~ / 50Hz) ::::



36 / 38

DXDXDXDX3333 MCB 25kA up to 63A MCB 25kA up to 63A MCB 25kA up to 63A MCB 25kA up to 63A (1,5 modu(1,5 modu(1,5 modu(1,5 modules per ples per ples per ples per poooole)le)le)le)



.... T T T Thermal energy hermal energy hermal energy hermal energy limiting limiting limiting limiting curvecurvecurvecurvessss of circuit breakers of circuit breakers of circuit breakers of circuit breakers MA curveMA curveMA curveMA curve, 2P (400V~ / 50Hz), 2P (400V~ / 50Hz), 2P (400V~ / 50Hz), 2P (400V~ / 50Hz) ::::



37 / 38




.... T T T Thermal energy hermal energy hermal energy hermal energy limiting limiting limiting limiting curvecurvecurvecurvessss of circuit breakers of circuit breakers of circuit breakers of circuit breakers MMMMA curveA curveA curveA curve, 3P / 4P (400V~ / 50Hz), 3P / 4P (400V~ / 50Hz), 3P / 4P (400V~ / 50Hz), 3P / 4P (400V~ / 50Hz) ::::



38 / 38

DXDXDXDX3333 MCB 25kA up to 63A MCB 25kA up to 63A MCB 25kA up to 63A MCB 25kA up to 63A ((((1,5 modules per p1,5 modules per p1,5 modules per p1,5 modules per poooole)le)le)le)


8. AUXILIARIES AND ACCESSORIES8. AUXILIARIES AND ACCESSORIES8. AUXILIARIES AND ACCESSORIES8. AUXILIARIES AND ACCESSORIES

AddAddAddAdd----on modules 63Aon modules 63Aon modules 63Aon modules 63A:::: Add on module

mcb 2P 3P 4P

2P XXXX ---- ----

3P ---- XXXX ----

4P ---- ---- XXXX

Wiring accessories:Wiring accessories:Wiring accessories:Wiring accessories: . Sealable screw cover (cat n° 4 063 06). . Insulating shields (cat n° 4 063 12) . Aluminium terminals 50mm² max (cat. N° 4 063 10

Signal auxiliaries:Signal auxiliaries:Signal auxiliaries:Signal auxiliaries: . Auxiliary contact (½ module – cat n° 4 062 58). . Fault signalling changeover switch (½ module – cat n° 4 062 60). . Auxiliary contact modifiable in default signal (½ module – cat n° 4 062 62). . Auxiliary contact + fault signalling switch - can be modified to 2 auxiliary contacts (1 module - cat n° 4 062 66).

Control auxiliaries:Control auxiliaries:Control auxiliaries:Control auxiliaries: . Shunt releases (1 module - cat n°.4 062 76 / 78). . Under voltage release (1 module - cat n° 4 062 80 / 82). . Autonomous shunt trip for NC push-button (1 module - cat n°. 4 062 87).

Possible combinations of auxiliariesPossible combinations of auxiliariesPossible combinations of auxiliariesPossible combinations of auxiliaries and MCBs and MCBs and MCBs and MCBs:::: . The auxiliaries are installed to the left of the MCBs . Maximum number of auxiliaries = 3. . Maximum number of 1 module signalling auxiliaries = 2. . Maximum number of control auxiliairies (Cat. N°. 4 063 76 to 4 062 87) = 1. . The control auxiliary (Cat.N°. 4 062 76 to 4 062 87 must mandatorily be placed to the left of the signalling auxiliaries (Cat. N°. 4 062 58 to 4 052 66) where the auxiliaries from these 2 families are connected to the same MCB.

Sealing: Sealing: Sealing: Sealing: . Possible in ʺOpenʺ mode (OFF) or ʺCloseʺ mode (ON).

LockLockLockLocking optionsing optionsing optionsing options:::: . By padlock (Cat.N°. 4 063 13 or 0 227 97), whit padlock support (Cat.N°. 4 063 03).

Installation software:Installation software:Installation software:Installation software: . XL PRO3


Download - (1,5 modules per p(1,5 modules per po ooole)llee))le)docdif.fr.grpleg.com/general/legrand-exp/NP-FT-GT/F01217EN-00.pdf1 / 38 87045 LIMOGES Cedex Telephone: +33 5 55 06 87 87 – FAX:

Top Related