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TRANSCRIPT
Digital Protective Relays
L&T
Mysore Works
The L&T Switchgear Training Centres atPune, Lucknow & Coonoor are the onlyfacilities of their kind in India. The Centreshave state-of-the-art training facilities,well-equipped workshop & testing systems.
Training programmes on Protective Relayingand related subjects are being regularlyconducted at above training centres.
Kindly contact the nearest Training Centrefor further details.
Larsen & Toubro Limited offers a widerange of Microprocessor based State-of-the-artDigital Protective Relays suitable forLV, MV and HV power distribution systems.These Relays are manufactured atL&T’s Mysore works equipped withmodern infrastructure and employinglatest manufacturing and testing equipments.L&T’s range also include Relays forspecial applications manufactured byMicroelettrica Scientifica, Italy.The applications include Feeder Management,Load Sharing, Load Shedding, Synchronising,Grid Islanding etc.
L&T also manufactures a range ofElectronic Single Phase Energy Meters,Three Phase Energy Meters andTrivector Meters at the Mysore Works..
Lucknow
Plot No. C/6-7Sarojini Nagar Industrial AreaLucknow 226 008Tel. : 0522-437591, 437728Fax : 0522-437592e-mail : [email protected]
T-156/157, MIDC, Bhosari,Pune 411 026Tel. : 020-7120037, 7120653Fax : 020-7122993, 7121221e-mail : [email protected]
Pune
Ooty-Coonoor Main RoadNeedle Industries P.O. Ketti,Niligiris 643 243 (T.N.)Tel. : 0423-517158Fax : 0423-517107e-mail: [email protected]
Coonoor
Training Centres
Pages
3
22-23
24-25
26-27
20-21
18-19
16-17
14-15
12-13
10-11
6-7
4-5Over Current relays - MC31A, MC61A, MC61C
Current Sensing relays - MC12A, ME12A, SC14S
Neutral Displacement relay - MND11Reverse Power Relay - MRP11Voltage relay - MV12
Secondary relays - TCS01, PTF03
Power Factor Control relay - PFC8, PFC14, PFR8
Motor Protection relay - MM30, MM30W, MPR300
Generator Protection relays - IM3GV, MG30, MD32G
Synchronising relays - SPM21, SCM21. Load Sharing Relay - RRS
Voltage Vector shift / Voltage / Frequency relays - UFD34, UM30ADirectional Over Current relay - DM33
Transformer Protection relays - MD32T, IM30T, UM30SV
Auto Reclosing Relay - IM30DREControl & Supervision relays - MW33, MU30.
Time - Current Characteristics
Capacitor protection relay - IM 30CFeeder protection - MC20R, MC30, RPM8
8-9
Contents
1
Corelation between ANSI/IEEE device Function number and Relays
FunctionName
DeviceNo.
L&TRelays
MSRelays
Under impedance relay / Distance relaySynchronising and or Synchro-check relay
Over or under temperature protection and control relayAC under voltage relay
Power directional relayUnder current or underpower relay
Bearings over temperature relayField control (loss of field) relayDC over voltage relayReverse phase or phase balance current relay
Phase-sequence or single-phasing voltage relayMachine or transformer thermal relay
Instantaneous over current (or rate-of-rise) relay
Voltage restrained over current relayBreaker - failure over current relayInstanteneous earth fault over current relay
AC time over current relay
Ground fault time over current relay
Rectifier failure relay (rotating diodes)AC over voltage relay
Overexcitation relay V/Hz
Voltage balance relayGround detector (insulation to ground failure of machine or other apparatus)Machine stator ground fault detector relayMachine rotor ground fault detector relayAC directional over current relayDirectional ground fault over current relayAlarm relayDC over current relayPhase angle measuring or out of-step protection relay
Reclosing relayDC Under voltage relayFrequency relay
Lock-out relayDifferential protective relay
Ground fault differential protective relayRegulating device to adjust a quantityDC directional voltage relayDC directional voltage and current relayAutomatic active or reactive load sharing relayVector Surge Protection Relay
MV12
MRP11
ME12MC12AMC61CMC61A
MC12AMC61AMC61CMC12AMC61AMC31AMC61CMC12AMC61AMC31AMC61C--MV12------
------------------------------SC14S------–
--SPM21SCM21--UM30 / UM30SVUFD34MG30MM30MW33--MG30–IM30TMM30UM30IM30TIM3GVMM30--------IM3GV------------------------
UM30 / UM30SVUFD34 / UM30SVUM30 / UM30SVUM30A / UM30SVUM30MG30MG30UBO / CRDM33DM33------IM30GIM30DR--UM30 / UM30SVUFD34--MD32GMD32T--------RRSUM30-SV
2125
2627
3237
38404546-(61)
4749
50
50/2750BF50N
51
51N-(51G)
5859
59/81
606464S64R6767N-(67G)747678
798081
8687
87N-(87G)90919295
2
3
Time - Current Characteristics (At TMS = 1)
A : Normal Inverse 3.0 Sec. B : Normal Inverse 1.3 Sec. C : Very InverseD : Extreme Inverse
For Trip time at TMS other than 1Trip time = (Trip time at TMS = 1) x TMS OR 50msec whichever is more
Product Design Standards
Reference standardsIEC 60255, IEC 61000, IS3231, IS8686
Dielectric test : IS 3231 / IEC 60255-5Impulse test: : IS 8686 / IEC 60255- 5HF disturbance test: : IS 8686 / IEC 60255-22-1 Electrostatic discharge test : IEC 61000-4-2Electrical fast transient : IEC 61000-4-4Radiated electro magnetic field test : IEC 61000-4-3Surge immunity : IEC 61000-4-5Ring wave test: : IEC 61000-4-12Voltage dips & interruption test : IEC 61000-4-11Power frequency magnetic test : IEC 61000-4-8
Multiple of set current (Is)
Tri
pT
ime
(Sec.)
A
B
C
D
1,000
100
10
1
01
1 10 20
MC31A
MC61A
Over Current Relays
MC61C
MC61A
MC31A
Wiring Diagrams
R Y B R Y B1
2
4
13
5
6
15
16
7
8
3 3
1
2
4
13
5
6
15
16
7
8
22
25
26
21
L/+
N/-
In = 1A; 5A
0n = 1A; 5A
MICROCONTROLLER
PROTECTION
F50(Is)
F51(0s)
R Y B E
PROGERROR
R1
R2
R3
R4
R5
N0
NC
9
10
11
12
17
18
27
28
29
30˜
R Y B R Y B1
2
4
13
5
6
15
16
7
8
3 3
1
2
4
13
5
6
15
16
7
8
22
25
26
21
In = 1A; 5A
0n = 1A; 5A
L/+
N/-
MICROCONTROLLER
PROTECTION
F50(Is)
F51(Os)
F50(Ihs)
F51(Ohs)
R Y B E
R1
R2
R3
R4
R5
N0
NC
9
10
11
12
17
18
27
28
29
30
In = 1A ; 5A
0n = 1A ; 5A
R Y B R Y B1
2
4
13
5
6
15
16
7
8
3 3
1
2
4
13
5
6
15
16
7
8
22
25
26
21
L/+
N/-
˜
MICROCONTROLLER
MC61C
PROTECTION
F50(Is)
F51(Os)
F50(Ihs)
F51(Ohs)
R Y B E
PROGERROR
R1
R2
R3
R4
R5
9
10
11
12
17
18
27
28
29
30
19
20
31
32
NO
NC
BKR
OPEN
CLOSE
BKR
L/R
BI*
C
S-
S+
9 PIN MALE
D1
D2
D3
4
PROG.ERROR
• Display of currents, settings, Trip data & Trip history for analysis
& trouble shooting
• Built in self supervision & self testing feature to ensure continuous reliability
• Separate Indication for power ON & Programming mode or relay fault
• Separate fault indication
• In MC61C - Communication with Computer & breaker control through RS 485 Port
• Four user programmable output relays
Over Current RelaysThree Phase Over Current & Earth fault Relays
15
8m
m204m
m
224mm
121mm
Description
Device CodeDesignFunctions Available
Settings
Other Features
Burden on CTBurden on PTOperating tempWeightBurden on Auxiliary supplyOutput ContactConstructionDim W x H x D in mmPanel Cut Out
Auxiliary supply Type 1Type 2
CT rating
Output Contacts
3 Phase O/C + E/F
0C
51 RYBNNumerical RelayLowset O/C -IsLowset E/F -Os
O/C Is = 20-200% Step 5% E/F Os = 5-80% Step 5% Time Characteristics available -NI, VI, EI, or Definite TimeTMS 0.1 - 1.6 Step 0.05
Site selectable Trip time Char.
Display of Currents, Trip count Self supervision feature
£ 0.25 VA on CT/PhaseNot applicable
00 to 60 C< 2kg£ 10 VA1 N/O Contact for self suprvnDraw out121 x 158 x 224113 x 142
20-110V AC / DC or88-264V AC / DC1 AMP or 5 AMP(site selectable)4NO or 2NO + 2NC
3 Phase O/C + E/F + Highset
0 0C
50/51 RYBNNumerical RelayLowset O/C -IsHighset O/C -IhsLowset E/F -OsHighset E/F -OhsO/C Is = 20-200% Step 5% E/F Os = 5-80% Step 5% HS O/C = (0.2 to 40) x In step of -0.2 In or disableHS E/F = (0.1 to 20) x On step of -0.1 On or disableTime Characteristics available -NI, VI, EI, or Definite TimeTMS : 0.1 - 1.6 Step 0.05
Site selectable Trip time Char.
Highset can be disabledDisplay of Currents, Trip count Self supervision feature
£ 0.25 VA on CT/PhaseNot applicable0 to 60 C< 2kg£ 10 VA1 N/O Contact for self suprvnDraw out121 x 158 x 224113 x 142
20-110V AC / DC or88-264V AC / DC1 AMP or 5 AMP(site selectable)4NO or 2NO + 2NC
3 Phase O/C + E/F + Highset Communication and breaker control
0 0C
50/51 RYBNNumerical RelayLowset O/C -IsHighset O/C -IhsLowset E/F -OsHighset E/F -OhsO/C Is = 20-200% Step 5% E/F Os = 5-80% Step 5% HS O/C = (0.2 to 40) x In step of -0.2 In or disableHS E/F = (0.1 to 20) x On step of -0.1 On or disableTime Characteristics available -NI, VI, EI, or Definite TimeTMS : 0.1 - 1.6 Step 0.05
HS delay:0.1-2 Sec step 0.01 -Sec. or Inst.RS 485 CommunicationBreaker controlAuto doubling of highset, -(Relay co-ordination)£ 0.25 VA on CT/PhaseNot applicable0 to 60 C< 2kg£ 10 VA1 N/O Contact for self suprvnDraw out121 x 158 x 224113 x 142
20-110V AC / DC or88-264V AC / DC1 AMP or 5 AMP(not site selectable)4 NO
ORDERING INFORMATION
MC61A MC61C
5
Model MC31A
MC12A / ME12A
SC14S
6
1
2 +VE/PH.
-VE/NR1
COM
COM
SETTING RANGE (Is)
Aux. Supply
μP. ControlCkt.
F50/50NF51/51N
3
10
11
12
1AIn MC12A
(10-40)% In(20-80)% In(50-200)% In
ME12(1-16)% In
5A
AUX SUPPLY24 - 110V AC/DC95 - 240V AC/DC
MC12A / Me12
Over Current RelaysWiring Diagrams
11
10
9
7+
8
12
SC14S
Test (24V)Voltage
DC-DC
Convrt.
Test
ControlCkt.
R
2
1
3
5
6
4
In1A5A
CT OPERATED RELAYNO AUXILIARY SUPPLYREQUIRED
SETTING RANGE (Is)(10-40)% IN(20-80)% IN
˜
• Easy setting through front panel DIP Switches
• Indication for Power ON and trip status
• Test feature - helps maintenance
• Compact, light weight helps in reducing panel size & thickness.
7
Single Phase Over current / Earth fault RelaySensitive E/F Relay / Instantaneous Current Relay
Current Sensing Relays
Description
Device CodeDesignFunctions Available
Settings
Other Features
Burden on CTBurden on PTOperating tempWeightBurden on Auxiliary supplyOutput ContactsConstructionDim W x H x D in mmPanel Cutout
Auxiliary supply Type 1Type 2
CT rating
Range Setting
1 Ph O/C or E/F
0 0C
50/51 or 50N/51NMicrocontroller BasedLowset O/C -IsHighset O/C -IhsLowset E/F -OsHighset E/F -Is
O/C Is = 50-200% Step 10% ORE/F Is = 10-40% Step 2% ORE/F Is = 20-80% Step 4%HS O/C = (2-16) xls step 2 IsHS E/F = (2-16) xls step 2 IsTime Characteristics available-Nl, VI, EI, or Definite Time3 ranges of def Time (1, 10,100)TMS : 0.1 - 1.6 Step 0.1Site selectable Trip time Char.
Highset can be disabled
£ 0.25 VA on CTNot applicable 0 - 60 C< 1.5kg£ 5.5 VA2 C/O Contacts (S/R)Draw out71 x 158 x 22462 x 142
20-110V AC / DC or88-264V AC / DC1 AMP or 5 AMP
10-40% OR 20-80% OR 50-200%Site Selectable
Instantaneous current relay
0 0C
87N/64RStatic
Is = 10-40% step 5%OR 20-80% step 10%
Time Characteristics available-Instantaneous (25ms) OR time delayed 100ms / 200msSelf PoweredRelay testing possible by ext.24V -SupplyFlag indication / LED indication
£ 6VANot Applicable0 to 60 C< 1.5kgNot Applicable2 C/O Contacts (S/R)Draw out71 x 158 x 22462 x 142
Not Applicable
1 AMP or 5 AMP
10-40% OR 20-80%
1 Ph Sensitive E/F
Time Characteristics available-NI, VI, EI or Definite Time 3ranges of def Time (1, 10, 100)TMS : 0.1 - 1.6 Step 0.1Site selectable Trip time Char.
Highset can be disabledHarmonic rejection£ 0.25 VA on CTNot applicable
0 00 C to 60 C< 1.5kg£ 5.5 VA2 C/O Contacts (S/R)Draw out71 x 158 x 22462 x 142
20-110V AC / DC or88-264V AC / DC1 AMP or 5 AMP
50N/51NMicrocontroller BasedLowset S E/F -IsHighset S E/F -Ihs.
S E/F = 1-16% step 1%HS S E/F = (2-16) xlsin steps of 2 ls
ORDERING INFORMATION
71mm
15
8m
m
224m
m
204m
m
Model MC12A ME12A SC14S
MV12
MRP11
MND11
8
μP.Control
Ckt.F64
R Y
14
5
7
8
6
11
μP.
Control
Ckt.
F32
R1
Vn110 V AC 1 A415 V AC 5 A
In AUX SUPPLY24–110 V AC/DC95–240 V AC/DC
MRP11
12
2 + VE / PH.
– VE / N
Aux. Supply3
9
10
B
Wiring Diagrams
5
4
6
8
9
7
R1μP.Control
Ckt.F27F59
1
2
3
11
12
MV12
+VE/PH.
Aux. Supply
-VE/N
R Y B
1
2
3
4
11
12
L /+
Aux. Supply
N /-
MND11
R1
R2
PT VOLTAGE : 110V AC
6
7
5
9
10
4
MND11, MRP11, MV12
Neutral Displacement Relay Reverse Power RelayUnder Voltage OR Over Voltage Relay
• Easy setting through front panel DIP Switches
• LED indication for Power ON and trip status
• Test feature - helps maintenance
• Compact, light weight helps in reducing panel size & thickness.
9
Description
Device CodeDesignFunctions Available
Settings
Other Features
Burden on PTBurden on CTOperating tempWeightBurden on Auxiliary supplyOutput ContactsConstructionDim W x H x D in mmPanel Cutout
Auxiliary supply Type 1Type 2
CT RatingPT Rating
Neutral Displacement
59 Vo
0 0C
Microcontroller BasedVoltage relay for E/F Protectionof generator earthed thro’neutral earthing transformer
Fault voltage Vs -2% - 32% of Vn step 2%Alarm voltage Vis -2% - 32% of Vn step 2%Time Characteristics available- Inverse time or Definite time TMS : 0.1 - 1.6 Step 0.1
LED indication for power ON, time characteristics, tripTest featureThird harmonics rejection 26db £ 0.25 VANot Applicable0 to 60 C< 1.5 kg£ 5.5 VA1 N/O +1C/O Contacts (S/R)Draw out71 x 158 x 22462 x 142
20-110V AC / DC88-264V AC / DCNot Applicable110V AC
Microcontroller BasedLowset U/V - VsHighset U/V - Vhs OR Lowset O/V - VsHighset O/V - VhsU/V Vs = 95-20% step 5%U/V Vhs = 90-20% step 10%O/V Vs = 105-180% step 5%O/V Vhs = 110-180% step 10%Time Characteristics available- Inverse time or Definite time TMS : 0.1 - 1.6 Step 0.1
Site selectable U/V OR O/VSite selectable Trip time Char.Highset can be disabled
£ 0.075 VA on PTNot Applicable0 to 60 C< 1.5 kg£ 5.5 VA2 C/O Contacts (S/R)Draw out71 x 158 x 22462 x 142
20-110V AC / DC88-264V AC / DCNot Applicable110V/240V/415V (site selectable)
1 Ph U/V OR O/V
27 OR 59
0 0C
Microcontroller BasedReverse Power Level
PT input Vn 110V, 240V, 415V ACCT input In 1 A / 5 APick up level 1% - 15%Min. setting 0.5%TMS 0 to 1.5 step 0.1Definite time characteristics
LED indicationTest feature
< 0.25VA< 0.25VA0 to 60 C< 1.5 kg< 8VA1 N/O+1 C/ODraw out71 x 158 x 22462 x 142
20-110V AC / DC88-264V AC / DC1AMP OR 5 AMPUpto 380V AC
Reverse Power
32
0 0C
ORDERING INFORMATION
71mm
15
8m
m
224m
m
204m
m
Model MND11 MRP11 MV12
Secondary Relays
TCS 01
PTF 03
10
Wiring Diagrams
L /+
TRIPRELAY
CONTACT
TRIP COILSUPPLY
(20 - 264VAC / DC
BKR.AUX.
CONT.
TC
N/ -
1
2
3
4
13
15
12
11
14
L /+
N/ -
Aux. Supply
TCSCKT.
R1
TCS 01
Aux. Supply 20-110V AC/DC88-264V AC/DC
6
5
7
9
10
8
FROM PTSEC. 110VAC PH. -PH.
R
Y
B
N
FUSE
FUSE
FUSE
LOAD
LOAD
LOAD
1
2
11
12
13
14
15
16
17
PTFCKT.
R1
PTF 03
6
5
7
9
10
8
Secondary Relays
11
• Easy setting through front panel DIP Switches
• Indication for Power ON and trip status
• Test feature - helps maintenance
• Compact, light weight - in reducing panel size & thickness.
• Low power Burden
Trip Circuit Supervision RelayPT Fuse Failure Relay
Trip Circuit supervision
95 ABCStatic
Post Close SupervisionPre Close Supervision
Not ApplicableTrip coil supply 110 - 220V ACOR 24 - 48 - 110 - 220V DCOperation time 500+/-100mSReset time < 150 mS
Same Relay for all RatingTrip supply U/V indicationCB ON/OFF status indication
Not applicable
Not applicable0 00 C to 55 C1.5 kg<
£ 10 VA2 C/O Contacts (S/R)Draw out
71 x 158 x 22462 x 142
20-110V AC / DC or80-264V AC / DC
PT Fuse Failure Relay
0
60Static
3 Phase PT fuse failure
110V AC PTNot Applicable
Operation time £ 7mS
LED Indication for each phaseRelay trip statusSelf poweredHigh speed operation
Not Applicable<0.5 VA per phase on PT
00 C to 55 C< 1.5 kgNot Applicable2 C/O Contacts (S/R)Draw out71 x 158 x 22462 x 142
Description
Device CodeDesign
Functions Available
RatingSettings
Other Features
Burden on CTBurden on PTOperating tempWeightBurden on AuxiliaryOutput ContactsConstructionDim W x H x D in mmPanel Cutout
Auxiliary supply Type 1Type 2
ORDERING INFORMATION
71mm
15
8m
m
224m
m
204m
m
Model TCS 01 PTF 03
PFC-14, PFC-8, PFR-8
PFC-8
12
PFR-8
PFC-14
Wiring Diagrams
PFC-8
1
2
3
4
5
6
7
8
9
10
11
12
R1
R2
R4
R3
R5
R6
R7
R8
NC
NC
NC
C
13
14
15
16
17
18
19
20
21
22
23
24
AL
AR
M
S2S1(1A)S1(5A)
415V
E
++
R
Y
B
N
TOLOAD
NC=NO CONTACT
BANK #8
BANK #1
230VAC50Hz
1
2
3
4
5
6
7
8
9
10
11
12
R1
R2
R3
R4
R6
R7
R8
R9
R10
R11
C
R5
S2S1(1A)S1(5A)
415V
E
R
Y
B
N
13
14
15
16
17
18
19
20
21
22
23
24
R12
R13
R14
AL
AR
M
+
+
230VAC50Hz
BANK #1
BANK #14
TOLOAD
PFC-14
PFR-8
R1
R
Y
B
N
R2
230VAC
50Hz13
14
15
16
17
18
19
20
21
22
23
24
S1(1A)
S1(5A)
R3
R4
R5
R6
R7
1
2
3
4
5
6
7
8
9
10
11
12
R8
S2 BANK #1
BANK #8
TOLOAD
AL
AR
M
415V
EC
NC
NC
NC
Power Factor Controller Relay (8 & 14 Stages) Intelligent Power Factor Controller Relay
• On line display of system PF
• Easy setting of power factor C/K ratio from front panel
• LED indication for Alarm code, No. of Banks selected, PF status- lead / lag / unity,Auto / Manual mode
• DIP switches selection for No. of banks / time delay / bank ratios
• Display of system current KVAR valves.
13
Power Factor Control Monitoring Relays
144mm
14
4m
m11
0mm
Description
Device CodeDesignFunctions Available
Settings
Other Features
Burden on CTBurden on PTOperating tempWeightOutput Contacts
Dim W x H x D in mmPanel Cutout
Auxiliary supply
Microcontroller BasedAutomatic PF controllerCan control upto-8 Capacitor BanksPF : 0.8 Lag - 0.95 LeadSwitching time 10-20-40-60 SThreshold reactive currentSetting 0.5 - 1 A reactiveCapacitor Bank Selection-4-5-6-7-8 BanksDisplay of PF MeasurementAuto / Manual SelectionDisconnection of Capacitorsduring over voltage & Power failureAlarm contact for under / overcompensation, over voltage, under load1 A / 5 A field selectable0.3 VA£ 10 VA
00 to 60 C< 2kg8 N/O
144 x 144 x 100138 x 138
415V AC
Power Factor Controller
0C
ORDERING INFORMATION
Microcontroller BasedAutomatic PF controllerCan control upto-14 Capacitor BanksPF : 0.8 Lag - 0.95 LeadSwitching time 10-20-40-60 sThreshold reactive currentsetting 0.5 - 1 A ReactiveCapacitor Bank Selection-4-5-6-7-8-10-12-14 BanksDisplay of PF MeasurementAuto / Manual SelectionDisconnection of Capacitorsduring over voltage & Power failureAlarm contact for under/overcompensation,over voltage,under load1 A / 5 A field selectable0.3 VA10 VA0 to 60 C< 2kg14 N/O
144 x 144 x 110138 x 138
415V AC
Power Factor Controller
0 0C
Intelligent
Microcontroller BasedAutomatic PF controller8 stages
Switching time 5-1200 sec.Auto C/K settingCan accept unequal banksFault indication
Display of PF. V. I. KVARLED indications for faultsPF status-lead / lag. Lead -PF alarm
1 A / 5 A field selectable0.5 VA
10 VA0 to 60 C<2kg8 N/O
144 x 144 x 110138 x 138
110V AC
Power FactorController
£0 0C
Model PFC-8 PFC-14 PFC-14
Motor Protection Relay
MM30
MM30-W
14
L/+
N/-
A B C
26
25
26
25A AB BC C
27
28
29
39
30
32
4333
In = 1 A
41
27
28
29
39
30
32
4333
41
27
28
29
39
30
3243
33
41
In = 5 A
Ion = 1 A Ion = 5 A Un = 100V
CE
MS - SCE 1630 - R0
13
12
2 50BT
2 50BT
DISPLAY
FUNZIONIFUNCTION
F 37F 46F 49F 51F 51R
R4
PROGR.R5
INT. FAULT
9 PIN MALE
cs-s+KEYBOARD
TASTIERA
R2
R1
F 67N/64ST. NO.>Al. O>ltr
R1
R2
R3
R4
R5
RTD
R.T.
S.C.
21 (10)
N.O.
N.C.
(21)
N.O.
N.C.
22
79
8
1820
1946
5
1517
16
14
3
37(b)
TO REXRELAY
EXPANSION
38(a)2324
2
1
10
11MICROP
MM30-W
MPR300
R Y B
StartN/O
Stop(N/C)
Aux.Supply
Typical connection diagramfor 'Direct Starting' application
MPR300
M
NC NO
1 2 3 4 5 6 7 8
Aux. N/O
N
Wiring Diagrams
A B C A B C
25
26
27
28
29
41
30
32
39
25
26
27
28
39
29
41
30
32
43
31
42
33
43
31
42
33
44
In=1A
In=5A
PRESA/TAP 31:Ion=5A
PRESA/TAP 33:Ion=1A 12
13 ˜˜
˜
˜̃̃
=
DISPLAY
MICROP.
MM30
FUNCTION
F37F46F49F51F51RF64St.No.>AI.0>Itr
PROGR.
INT. FAULT
KEYBOARD
R1
R2
R3
R4
R5
R1
R2
R3
R4
R5
9 PIN MALE
(21) (10)
N.O. N.O.
N.C. N.C.
2110
1122
79
8
1820
19
46
5
1517
16
14
3
2
1
34/382324
CS-S+
IEC 255
1/5A
1/5A
1/5A
• Motor Protection Relay• Motor Protection Relay with Voltage input• Lowcost Motor Protection Relay
Motor Protection Relay
• Display of various parameters, trip count and trip data on 8 digit alphanumeric display
• Separate LEDs for individual fault indication
• Four user programmable output relays
• Built in self supervision & self testing feature helps maintenance
• Easy operation by 5 push buttons
• RS 485 Port for serial communication with “MSCOM” user friendly software
15
Motor Protection
0 0C
49, 51LR, 64, 46, 37
NumericThermal overloadLocked RotorEarth faultSingle phasingNo load running
up to 88 ATrip time characteristics -as per IEC947
No RS 485 port(Non-Communication-Relay)Not Applicable0 to 60 C< 0.5kg.< 8VABack panel monitor70 x 85 x 106Not applicableMotor rated current
240V AC
Description
Device Code
DesignFunctions Available
Other Features
Burden on CT
Burden on PTOperating tempWeightBurden on AuxiliaryOutput ContactsConstructionDim W x H x D in mmPanel Cutout
Auxiliary supply
Motor Protection
0 0C
49, 51LR, 46, 37, 50/51, 64, StNo, Itr
NumericThermal O/L and Pre-alarmLocked RotorCurrent unbalance, phase reversal, phase lossOver CurrentEarth FaultRepeat and prolonged startsRestart InhibitionNo load runningBlocking Function
Auto setting1 A or 5 A site selectable (Default 5 AMP)Selectable motor time constant (1 - 60 min)Display of parametersBuilt in self supervisionRS485 port0.2 VA for 5 A, 0.01 VA for 1 A
Not Applicable10 to 60 C< 2kg8.5 VA4 C/O + 1 C/O for self supervisionDraw out121 x 158 x 224113 x 142
20-110V AC / DC or88-264V AC / DC
Motor Protection
0 0
12/14, 27/59, 37, 46, 47, 4849, 50/51, 51LR, 55, 64, 66, 68, 81NumericThermal O/L and Pre-alarmLocked RotorCurrent unbalance, phase reversal, phase lossOver CurrentEarth FaultRepeat and prolonged startsRestart InhibitionNo load runningBlocking FunctionUnder frequency / over frequencyUnder voltage / over voltageRunning hoursLow PFAuto setting1 A or 5 A site selectable (Default 5 AMP)Selectable motor time constant (1 - 60 min)Display of parametersBuilt in self supervisionRS 485 port0.2 VA for 5 A, 0.01 VA for 1 A
Not Applicable10 C to 60 C< 2kg8.5 VA4 C/O + 1 C/O for self supervisionDraw out121 x 158 x 224113 x 142
20-110V AC / DC or88-264V AC / DC
ORDERING INFORMATION
15
mm
8
204mm
224mm
121mm
Model MM30 MM-30W MPR300
Generator Protection Relays
MD32-G
16
MG30
IM3G-V
Wiring Diagrams
R = Stabilising resistorZ = Protection surgearrester (if required)
L/+
N/-
DISPLAY
MICROP.
MD32-G
FUNCTION
F187GF287GF87N
87G + 87N
A B C
I1A
I1B
I1C
G
25
26
27
28
39
29
30
41
31
4232
43
33
13
12
I2A
I2B
I2C
Z
R KEYBOARD
PROGR.
INT. FAULT
=˜˜
˜_
˜̃̃50-60
R5
R4
R3
R2
R1
R3
R2
R1
R4
R5
B3
B2
B1
9 PIN MALE
242334/38
1
2
3
14
16
1715
5
6419
2018
8
97
2211
1021
(21)
N.O.
N.C.
(10)
N.O.
N.C.
CS-S+
1/5A
1/5A
1/5A
1/5A
1/5A
1/5A
1/5A
25
26
27
2839
29
3041
314232
43
33
44
12
13
G
1/5A
1/5A
1/5A
1/5A
1/5A
1/5A
1/5A
DISPLAY
MICROP.
R1
R2
R3
R4
R5
14
3
2
21
10
1122
79
81820
1946
5
1517
16
14
3
2
1
FUNZIONI
1>,Z<,Uo>
R1
R2
R3
R4
R5
12>,T>
Zc<,O>
U,f
W<, Ir>
IC, 60FL
B.I./B.F.
PROGR.
INT. FAULT
KEYB0ARDTASTIERA
FUNCTION
MG30
38(a)
37(b)
TO REXRELAY
EXPANSION2324
9 PIN MALE
S–S+
C
(21 – 22)
(10 – 11)
N.O.
N.O.
N.C.
N.C.
CE
MS-SCE 1629-R0 In=1A In=5A Un=100V
A B C
Un
Un
25
26
27
28
3929
4130
33
32
43
31
42
44
12
13
1/5A
1/5A
1/5A
DISPLAY
MICROP.
IM3G-V
FUNZIONI
FUNCTION
F27/59
F32
F40
F46
F49
F50/51V
F81
R1
R2
R3
R4
R5PROGR.
INT. FAULT
KEYBOARDTASTIERA
R1
R2
R3
R4
R5
4
3
2
C
S-
S+
9 PIN MALE
242334/38
1
2
3
14
16
17155
6419
2018
8
972211
1021
(21)
N.O.
N.C.
(10)
N.O.
N.C.
In = 5A In = 1A Un = 100V
IEC 255
L/+
L/-
• Multifunction Generator Protection Relays• Percentage Biased Generator Differential Relay
Generator Protection Relays
• Display of various parameters, trip count & trip data on 8 digit alphanumeric display
• Separate LEDs for various fault indication
• Four user programmable output relays
• Built in self supervision & self testing feature help maintainance
• Easy operation by 5 push buttons
• RS 485 Port for serial communication with “MSCOM” User friendly software
17
Description
Device Code
DesignFunctions Available
Other Features
Burden on CTBurden on PTBurden on Auxiliary supplyOperating tempWeightOutput Contacts
ConstructionDim W x H x D in mmPanel Cutout
Auxiliary supply Type 1Type 2
Generator Protection
0C
50/51V, 49,46,27,59,81,40,32, 37
NumericVoltage rest. O/C HighsetTrip time char. NI, Def timeThermal ImageLowset Negative sequenceHighset Negative sequenceUnder voltage, Over voltageUnder frequency, Over frequencyLoss of Field, Reverse PowerLow forward power,CB Failure protection
1 A or 5 A site selectableDisplay of ParametersBuilt in Self supervisionRS485 Port, Blocking Function
0.2 VA for 5 A, 0.01 VA for 1 A0.04 VA8.5 VA
010 to 60 C< 2kg4 C/O, S/R or H/R or Time del1 C/O for self supervisionDraw out121 x 158 x 224113 x 142
20-110V AC / DC or88-264V AC / DC
Generator Protection
21, 24, 27/59, 32, 37, 40, 46, 49,
0 0C
50/27, 50V/51V, 51BF, 60FL, 64S, 68, 81NumericVoltage rest. O/C HighsetTrip time char. NI, Def timeThermal ImageLowset Negative sequenceHighset Negative sequenceUnder voltage, Over voltageUnder frequency, Over frequencyLoss of Field, Reverse PowerLow forward power,CB Failure protection100% E/F95% E/FPT fuse failureOver excitation1 A or 5 A site selectableDisplay of ParametersBuilt in Self supervisionRS485 Port, Blocking Function
0.2 VA for 5 A, 0.01 VA for 1 A0.04 VA8.5 VA10 to 60 C< 2kg4 C/O, S/R or H/R or Time del1 C/O for self supervisionDraw out121 x 158 x 224113 x 142
20-110V AC / DC or88-264V AC / DC
Generator Differential
0 0C
87, 50/51, 50LBB, 64S/87N
NumericGenerator DifferentialBias % with dual adjustable -slopeOver Current Stator E/F CB Failure protection
1 A or 5 A site selectableDisplay of ParametersWave form capture feature Built in Self supervision, -RS485 Port0.2 VA for 5 A, 0.01 VA for 1 ANot Applicable8.5 VA-10 to 60 C< 2kg4 C/O, S/R or H/R or Time del1 C/O for self supervisionDraw out121 x 158 x 224113 x 142
20-110V AC / DC or88-264V AC / DC
ORDERING INFORMATION
15
mm
8
204mm
224mm
121mm
Model IM3G-V MG30 MD32-G
18
Wiring Diagrams
UL
BU
UL
SCM21
BU 12
N/- 13
44
30
41
28
27
26
25
DISPLAY
MICROP.
SCM21
FUNCTION
F25SX
39
29
F27
F59
F81 >
F81 <
R1
R2
R3
R4
R5
R5
R4
R3
R2
R1
PROGR.
INT. FAULT
KEYBORD
9 PIN MALE
BF
SX2
SX1
CS-S+
2110
1122
79
8
1820
19
46
5
1517
1614
3
2
1
34/382324
C/B
SX
L/+
G
1 T
OPTO OPTO
VOIOCOS
Lood Shedding
SE
TT
ING
S
MEDIAAVERAGE
Operation
To other RRS Relays
INCREASE
DECREASE
OVER POWER
Freq. control
Open
Open
Open
Open Open
Open
Open
Open
Lood Shedding
Yes
Yes
Yes
Yes
Open Yes
Close No
Freq. control
11
1
10
2 3 32
22 21
3
4
7
6
8
9
R1
R2
R3
15
12
13
1
2
17
18
14
(.) (.)
- -
+
+
+
+
-
-
-+
DISPLAY
MICROP.
SPM21
FUNCTION
F25SX
R1
R2
R3
R4
R5
PROGR.
INT. FAULT
9 PIN MALE
CS-S+
2110
1122
9
8
1820
19
46
1517
16
143
21
34/382324KEYBORD
R5
R4
R3
R2
R1
F+
F-
U+
U-
5
7
BX
BR
SX
B.I.
BR52 (N.O.)
U
52 C
SPM21
UG
UB
G1
52
UB
L/+
N/-
12
13
44
41
30
29
26
25
UG
U
F
F
Connection diagram of 1 bus with 1 line
SPM21
SCM21
RRS
IEC 255
IEC 255
Synchronising RelaysGenerator Synchronising / Synchrocheck RelaysLoadl sharing Relays
• Display of various parameters, event count & event data on 8 digit alphanumeric display
• Separate LEDs for various fault indication
• Four user programmable output relays
• Built in self supervision & self testing feature help maintainance
• Easy operation by 5 push buttons
• RS 485 Port for serial communication with “MSCOM” User friendly software
Description
Device CodeDesignFunctions Available
RatingOther Features
Burden on PTOperating tempWeightBurden on AuxiliaryOutput ContactsConstructionDim W x H x D in mmPanel Cutout
Auxiliary Supply
Auto Synchronising Relay
25NumericAuto Synchronising withAdjustable Voltage,Adjustable Frequency,Adjustable Phase angleAdjustable Reclose time,Bus Live / Dead operation,Speed Regular Control,Voltage Regulator Control,Digital inputs to monitorCB position
110V - 125V PT inputDisplay of Parameters,Built in self supervision,RS485 Port0.04 VA10 to 60< 2kg8.5 VA5 C/ODraw out121 x 158 x 224113 x 142
20-110V AC / DC or88-264V AC / DC
0 0C C
Synchronising Check Relay
25NumericSynchro Check withAdjustable Voltage,Adjustable Frequency,Adjustable Phase angleAdjustable Reclose time, Check Synch/Dead line / Dead bus modes of operation,Over voltage protection, Under voltageprotection, Over Frequency Protection,Under frequency protection,Digital inputs to monitor CB position
110V - 125V PT inputDisplay of Parameters,Built in self supervision,RS485 Port0.04 VA10 to 60< 2kg8.5 VA5 C/ODraw out121 x 158 x 224113 x 142
20-110V AC / DC or88-264V AC / DC
0 0C C
Generator load sharing
95Solid starterActive / reactive powerOver powerLoad sharingFrequency control
110V PT input1 A / 5 A CT input
< 5VA10 C to 60 C<1.5kg8.5 VA3 N/ODraw out71 x 158 x 22462 x 142
20-110V AC / DC or 88-264V AC / DCUpto 380V AC1 A / 5 A
0 0
ORDERING INFORMATION
19
15
mm
8
204mm
224mm
121mm
Model SPM21 SCM21 RRS
UFD34 / UM30A / DM33
UFD34
UM30A
DM33
L/+
N/-
UFD34
Wiring Diagrams
A
B
C
25
26
27
28
39
29
4130
12
13IEC 255
_
˜˜
˜=
KEYBOARD
PROGR.
INT. FAULTR5
R4
R3
R5
R4
R3
R2
R1
R2
R1DISPLAY
MICROP.
FUNCTION
F81 - 1
F81 - 2
F81 - 3
F81 - 4
Fdf / dt
F27 / 59
14
BI<
BI>
CS-S+
9 PIN MALE
242334/3812
31416
1715
5
6419
2018
8
972211
1021
(21)
N.O.
N.C.
(10)
N.O.
N.C.
A
B
C
EA
UC UA
UBEBEC
13
12
44
3041
293928
27
26
25
IEC 255
24(-20%) - 110(+20%)Vac 24(-20%) - 125(+20%)Vdc 80(-20%) - 220(+20%)Vac 90(-20%) - 250(+20%)Vdc
_
˜˜
˜ =
Uo ˜̃̃BT 2 50
DISPLAY
MICROP.
FUNCTION
F27 / 59
F27d / 59d
F59s
F59U
F81
F59 / 81
PROGR.
INT. FAULT
KEYBOARD
R1
R2
R3
R4
R4
R3
R5
R5
R1
R2
2110
112279
81820
1946
51517
161432134/382324
(21)
N.O.
N.O.
N.C.
N.C.
(10)
14
BI<
BI>
CS-S+
9 PIN MALE
UM30A
L/+
N/-
A B C29
3041
3142
324333
283927
26
25
A B C29
30
41
3142
324333
283927
26
25
In=1A
In=5A
AUXILIARYSUPPLY
12
13
MS - SCE 1621 - R1
=
_
˜˜˜
˜̃̃Uo50-60
Io ˜̃̃50-60
1/5A
1/5A
1/5A
1/5A DISPLAY
MICROP.
DM33FUNZION
FUNCTION
F50
F51
F67(1)
F67N(1)
F67N(2)
F27
F67(2)
PROGR.INT.FAULT
KEYBOARDTASTIERA
R5
R4
R3
R2
R1
R1
R2
R3
R4
R5
B4
B3
B2
CS-S+
382324
1
2
3
14
16
17155
6419
20188
972211
1021
(21)
N.O.
N.C.
(10)
N.O.
N.C.
RS485
20
3 Phase voltage / frequency and Load shedding Relay3 Phase voltage / frequency & zero sequence voltage Relay
Voltage / Frequency Relays Directional O/C, E/F Relay
• Display of various parameters, trip count & trip data on 8 digit alphanumeric display
• Separate LEDs for various fault indication
• Four user programmable output relays
• Built in self supervision & self testing feature help maintainance
• Easy operation by 5 push buttons
• RS 485 Port for serial communication with “MSCOM” User friendly software
DescriptionDevice CodeDesignFunctions Available
RatingOther Features
Burden on CTBurden on PTOperating tempWeightBurdenonAuxiliaryOutput Contacts
ConstructionDim W x H x D in mmPanel Cutout
Auxiliary Supply
3 Ph Voltage & Freq. Relay81, 27, 59, df/dt, de/dtNumericFrequency-4 stages selectableas under or over or under/overVoltages - 2 stages selectableRate of change of frequencyprotection df / dt - 2 StagesRate of change of voltageprotection de /dt - 1 StageBlocking function
100 - 125V PT inputDisplay of ParametersBuilt in self supervisionRS485 Port CommunicationNot applicable0.04 VA10 to 60 C< 2kg8.5 VA4 C/O, S/R or H/R or Time del1 C/O for self supervisionDraw out121 x 158 x 224113 x 142
20-110V AC / DC or88-264V AC / DC
0 0C
3 Ph Voltage & Freq. Relay
0 0C
81, 27, 59, V/Hz, 59d, 59s, 59UoNumericOver exitation-2 stagesFrequency-2 stages selectableas under or over or under/overVoltages - 2 stages selectableas under or over Direct SequenceNegative Sequence Zero Sequence - 2 StagesBlocking function100 - 125V PT inputDisplay of ParametersBuilt in self supervisionRS485 Port CommunicationNot applicable0.04 VA10 to 60 C< 2kg8.5 VA4 C/O, S/R or H/R or Time del1 C/O for self supervisionDraw out121 x 158 x 224113 x 142
20-110V AC / DC or88-264V AC / DC
3 Ph Dir O/C & E/F + Highset
0 0C
50/67 RYBN, 50 LBBNumericLow Set Dir O/CHighset Dir O/CLow Set Dir E/FTrip time Char : NI, VI, EI, Def timeCB Failure FunctionAuto Doubling of HighsetBlocking FunctionMTA Setting = 0-359°1 A or 5 A site selectable100 - 125V PT inputDisplay of ParametersBuilt in Self supervisionRS485 Port Communication0.2 VA for 5 A, 0.01 VA for 1 A 8.5 VA10 to 60 C< 2kg0.04 VA4 C/O, S/R or H/R or Time Del1 C/O for self supervisionDraw out121 x 158 x 224113 x 142
20-110V AC / DC or88-264V AC / DC
ORDERING INFORMATION
21
15
mm
8
204mm
224mm
121mm
Model UFD34 UM30A UM30A
MD32T, IM30T, UM30SV
22
MD32T
MD32T
R = Stabilising resistorZ = Protection surgearrester (if required)
L/+
N/-
IM30T
IM30T
L/+
N/-
UM30SV
Wiring Diagrams
˜
˜
IEC 255 ˜˜
=
˜̃
˜
87T + 87N
A B C
In1
I1A
I1B
I1C
25
26
27
28
39V1
V2
Kv =V1
V2
29
I2A
I2B
I2C
3041
31423243
Z
33
12
13
R 50-60
1/5A
1/5A
1/5A
1/5A
KEYBOARD
PROGR.INT. FAULT
R5
R4
R3
R2
R1F187TF287TF87N
FUNCTION
MICROP.
DISPLAYR1
R2
R3
R4
R5
B3
B2
B1
9 PIN MALE
CS-S+
242334/38
1
2
3
14
16
1715
5
6419
2018
8
972211
1021
(21)
N.O.
N.O.
N.C.
N.C.
(10)
V1
V2á
1/5A
1/5A
1/5A
1/5A
A B C A B C A B C
25
26
27
28
39
29
41
303243
31
42
33
25
26
27
28
39
29
41
303243
31
42
33
25
26
27
28
39
29
41
303243
31
42
33
˜
˜̃˜
˜˜
=
_
44
12
13
In = 5A In = 1A
PRESA/TAP 31 Ion = 5APRESA/TAP 33 Ion = 1A
KEYBOARD
PROGR.INT.FAULT
R5
R4
R3
R2
R1
R3
R4
R5
R2
R1
F46
2I t = KF51BFF51NF50NF51F50F49
FUNCTION
MICROP.
DISPLAY
RT
BIO
BIF
CS-S+
9 PIN MALE
242334/38
1
2
3
14
16
17155
64
19
2018
8
97
2211
1021
(21)
N.O.
N.O.
N.C.
N.C.
(10)
IEC 255
BT 2 50
DISPLAY
MICROP.
UM30SVFUNZIONIFUNCTION
F27/59
F27d/59d
F59s
F59Uo
F81
F59/81
PROGR.INT.FAULT
KEYBOARDTASTIERA
R1
R2
R3
R4
R5R3
R4
R5
R2
R1
14
BI<
BI>
RS485
CS-S+
242338
12
3
1416
1715
5
64
19
2018
8
97
2211
10
21 (21)
N.O.
N.C.
(10)
N.C.
N.O.
˜˜
˜
=
_12
13
AUXILIARYSUPPLY
˜̃BT 2 50
Uo
UB
UC UA
EC EB
EA
41
30
29
39
28
27
26
25A
B
C
1/5A
1/5A
1/5A
3 Phase Thermal + Over Current + Earth Fault Relay for transformer protection
Percentage Biased Transformer Differential Relay
Transformer Protectionand Vector Shift Relay
• Display of various parameters, trip count & trip data on 8 digit alphanumeric display
• Separate LEDs for individual fault indication
• Four user programmable output relays
• Built in self supervision & self testing feature help maintainance
• Easy operation by 5 push buttons
• RS 485 Port for serial communication with “MSCOM” User friendly software
23
Description
Device CodeDesignFunctions Available
Other Features
Burden on CTOperating tempWeightBurden on Auxiliary supplyOutput ContactsConstructionDim W x H x D in mmPanel Cutout
Auxilary Supply
24, 27d/59d, 47, 59, 59Uo, 78, 81Over FluxingO/V + U/VO/F + U/FZero seq. voltageVoltage unbalancedVector surge
Display of parameterBuilt in self supervisionRS485 Port
10 to 60 C< 2kg8.5VA5%Panel monitoring121 x 158 x 224113 x 142
20-110V AC / DC
3 ph voltage and frequency relay
0 0C
ORDERING INFORMATION
3 Ph O/C, E/F + Thermal
0 0C
250/51 RYBN, 49, 46, I tNumericLowset O/C Highset O/CLowset E/FHighset E/FThermal Overload Lowset current unbalance withDefinate / Inverse time trippingHighset current unbalanceInrush Energy protectionCB Failure functionBlocking function
Display of ParametersBuilt in self supervisionRS485 Port 1 A OR 5 A site selectable
0.2 VA for 5 A, 0.01 VA for 1 A10 to 60 C< 2kg8.5 VA5 C/O, S/R or H/R or Time delDraw out121 x 158 x 224113 x 142
20-110V AC / DC
Transformer Differential + Restricted E/F
0 0C
87 RYB, 87NNumericLowset DifferentialLowset Op time : <=30mSHighset DifferentialHighset Op time : 6-20mSRestricted Earth FaultDual slope BiasHighset can be Biased / Unbiased2nd harmonic restraint setting5th harmonic restraint settingAuto correction of CT RatioZero sequence compensationBlocking FunctionDisplay of parametersBuilt in self supervisionRS485 Port1 A OR 5 A site selectableWaveform capture feature0.2 VA for 5 A, 0.01 VA for 1 A10 to 60 C< 2kg8.5 VA5 C/O, S/R or H/R or Time delDraw out121 x 158 x 224113 x 142
20-110V AC / DC
15
mm
8
204mm
224mm
121mm
Model MD32T IM30T UM30SV
MW33, MU30, IM30-DRE
MW33
MU30
IM30-DRE
L/+
L/-
L/+
L/-
Wiring Diagrams
1/5A
1/5A
1/5A
25
26
27
283929
4130
3243
3142
33
Un
Un
44
12
13In = 5A In = 1A Un = 100V
_
=˜˜
˜KEYBOARDTASTIERA
PROGR.INT.FAULT
R5
DISPLAY
MICROP.
MW33FUNZIONIFINCTION
F32 W
F32 VAR
WhVARh
R1
R2
R3R4
R5
R4
R3
R2
R1
14
3
2
CS-S+
9 PIN MALE
242334/38
1
2
3
14
16
17155
6419
20188
972211
1021
(21)
N.O.
N.C.
(10)
N.O.
N.C.
IEC 255
In = 5A In = 1A Un = 100V
29
3041
31423243
25
26
27
28
42
Un
Un
12
13 ˜˜
˜_
=
1/5A
1/5A
1/5A
DISPLAY
MICROP.
MU30
FUNCTION
UIFP.F.P/ESQ/R
R1
R2
R3
R4
PROGR.OMT.FAULT
R5
KEYBOARD
R1
R2
R3
R4
R5
14
3
2
CS-S+
9 PIN MALE
242334/38
1
2
3
14
16
17155
6419
2018
8
972211
1021
(21)
N.O.
N.O.
N.C.
N.C.
(10)
IEC 255
A B C
25
26
27
28
39
29
3041
31
42
3243
33
A B C
25
26
27
28
39
29
3041
31
42
3243
33
A B C
25
26
27
28
39
29
3041
31
42
3243
33
12
CE
MS-SCE 1573-R0
In=5A
In=1A
Ion=5A
Ion=1A Un=100V
DISPLAY
MICROP.
IM30-DRE
FUNZIONIFUNCTION
R1
R1 21(21)
(10)
N.O.
N.O.
N.C.
N.C.
10
1122
79
8
1820
1946
5
1517
16
14
3
2
1
382324
F50
F51
F67N
PROGR.
INT.FAULT
9 PIN MALE
S–S+
C
KEYBOARDTASTIERA
R2
R2
R3
R3
R4
R4
R5
R5
BIR
BI
C/B
13
1/5A
1/5A
1/5A
1/5A
1/5A
BT
BT
2
2
50
50
24
Power Management Relay Multifunction 3 Phase Measuring Instrument
• Display of various parameters, event count & event data on 8 digit alphanumeric display
• Separate LEDs for various fault indication
• Four user programmable output relays
• Built in self supervision & self testing feature help maintainance
• Easy operation by 5 push buttons
• RS 485 Port for serial communication with “MSCOM” User friendly software
Description
Device Code
DesignFunctions Available
Other Features
Burden on CTBurden on PTOperating tempWeightBurden on Auxiliary supplyOutput ContactsConstructionDim W x H x D in mmPanel Cutout
Auxiliary supply Type 1Type 2
Measurment
Measure
NumericActual measurements ofFreq, I, V, PF,Power - Active / Reactive / -ApparentEnergy - Active / ReactiveMaximum DemandDisplay of ParametersRecord of last event RS485 Port, Event recording,Event counter, MD recording, Oscillographic wave form capture
0.2 VA for 5 A, 0.01 VA for 1 A0.04 VA10 C to 60 C< 2kg8.5 VA max5 C/ODraw out 121 x 158 x 224113 x 142
20-110V AC / DC88-264V AC / DC
0 0
3 ph voltage / frequency relaywith auto reclosing46, 50/51, 50N/51N, 51BF,67N, 68, 79O/C protectionE/F protection4 stage A/R
Display of ParametersLast trip data RS485 Port0.2 VANot Applicable
10 C to 60 C< 2kg8.5 VA5 C/ODraw out 121 x 158 x 224113 x 142
20-110V AC / DC88-264V AC / DC
0 0
Power management
0 0
81, 27, 59, PF, P, QL, QC
NumericFrequence 2 stages,Voltage 2 stage,Power factor 2 stage,Active power 2 stage,Capacitor reactive power 2 stage. Actual measurement of Freq,V, I, PF, active power, reactive power.Display of parametersMD recording & data loggingRS485 Port, Event recording
O.2 VA for 5 A, 0.01 VA for 1 A0.04 VA10 C to 60 C< 2kg8.5 VA max5 C/ODraw out 121 x 158 x 224113 x 142
20-110V AC / DC88-264V AC / DC
ORDERING INFORMATION
25
\
15
mm
8
204mm
224mm
121mm
Control & Supervision Relays
Model MW33 MU30 IM30-DRE (AUTO RECLOSING)
Wiring Diagrams
MC30
MC20-R
26
1/5A
1/5A
1/5A
1/5A
4
5
6
7
8
9
In=
F50
F51
F50N
F51N
PROGR.INT.FAULT
R1
R2
R3
R4
R1
R2
R3
R4
D3
D2
D1
RS232KEYBOARD TASTIERA
10
11
BPMC
16
18
17
14
15
13
12
20
21
1922
OUTPUTRELAYS
RELEDI USCITA
DIGITALINPUTS
INCRESSIDIGITAL
321
RS485
MS-SCE1895-R2STANDARD OUTPUT
MS -SCE1924-R2I/O Output
DIGITALINPUTINGRESSDIGITAL
TO I/0 RELAYEXPANSIONALL ESPANSIONEDI I/0COMUNECOMUNE
RS485
R1
R2
R3
D3
D2
D1
OUTPUTRELAYS
RELEDI USCITA
CA (S+)B (S-)
LH
C
A (S+)B (S-)
16
18
17
14
15
20
19
21
22
1312
3
21
AUXILARY SUPPLY
5A1A
DISPLAY
MICROP.
MC30FUNZION
FUNCTIONS
1A
1AIon =
5A
5A
6
7
4
5
8
9
6
7
4
5
8
9
Auxilariy supply
1/5A
1/5A
1/5A
10
11
MS-SCE2021-RO
DISPLAY
MICROP.
MC20-RFUNZIONI
FUNCTIONS
F50
F51
F50NF51N
F79
PROGR.INT, FAULT
R1
R2
R3
R4
RS232KEYBOARDTASTIERA
R1
R2
R3
R4
D3
D2
D1
CA (S+)
B (S-)
15
18
1714
15
13
12
20
21
1922
321
BPMC
OUTAUTRELAYS RELE
DI USCITA
DIGITALINPUTINGRESSDIGITAL
RS-485
MS- SCE2021-R0
Standard Output
R1
R2
R3
D3
D2
D1
L
C
A (S+)
B (S-)
16
18
1714
15
2021
1922
1312
3
21
OUTPUTRELAYS
DIGITALINPUTSINGRESSDIGITAL
TO I/O RELAYEXPANSIONALL EXPANTIOND I/OCOMUNECOMUNE
RS485
MS-SCE2022-RO
I/O Expansion module Output
In =
DI USCITARELE
H
1
2
3
4
5
6
7
8
9
10
11
12
S1(5A)
S1(1A)
S2
AL
AR
M
+
+-
R
Y
B
N
R8
R7
R6
R5
R4
R3
R2
R1
13
14
15
16
17
18
19
20
21
22
23
24
Ph230V AC
50 HzN
BANK #8
TO
LOAD
BANK #1
RPM-8
MC30, MC20-R, RPM-8
Description
Device Code
DesignFunctions Available
RatingOther Features
Burden on CTBurden on PTBurden on Aux. SupplyOperating TempWeightOutput Contacts
ConstructionDimPanel Cutout
Aux. Supply Type 1Type 2
Do not change
3 Phase OC + EF relay with thermalimage element50/51, 50N/51N, 51BF
Numeric3 Phase fault levels3 Earth fault levels1 Thermal image elementbreaker failure protection (LBB)
1 A or 5 A site selectableTime tagged multiple event recordingOscillographic wave form captureBlocking O/P’s and Inputs for better coordination
16 (8x2) character LCD display
RS232 and RS485 Ports availableModbus RTU / IEC 870-5-103communication protocol
0.1VA for 1 A CT & 0.3VA for 5 A CTNA< 7VA -10 C to 55 C
4 N/O
Draw out83 x 164 x 22562 x 142
24-110V AC or 24-125V DC80-220V AC or 90-250V DC
0 0
3 Phase OC + EF relay withAutoreclosing50/51, 50N/51N, 51BF, 79
Numeric3 Phase fault levels3 Earth fault levels4 Shots programmable reclosingReclosure sequence coordinationbreaker failure protection (LBB)
1 A or 5 A site selectableTime tagged multiple event recordingOscillographic wave form captureBlocking O/P’s and Inputs for better coordination
16 (8x2) character LCD display1 Rip circuit breaker control via serialport
RS232 and RS485 Ports availableModbus RTU / IEC 870-5-103communication protocol
0.1VA for 1 A CT & 0.3VA for 5 A CTNA< 7VA
4 N/O
Draw out83 x 164 x 22562 x 142
24-110V AC or 24-125V DC80-220V AC or 90-250V DC
0 0-10 C to 55 C
ORDERING INFORMATION
27
15
mm
8
204mm
224mm
121mm
Model IM30AB MC30 MC20-R
Notes
Notes
For selection and product demonstration, please contact any of our branch offices listed below:
Product improvement is a continuous process. For the latest information and special applications, please contact any of our offices listed here.
Electrical Standard Products
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