ngg/ngb 125a mccb

Siemens

Siemens Energy & Automation

NGG/NGB 125A MCCB

Molded Case Circuit Breakers for the OEM Market


SIEMENS

2

NGG 125A MCCB

Molded Case Circuit Breakers for the Global OEM Market

• 15 – 125A

• 1-, 2- and 3-pole versions

• 65kA @ 240 Vac

• 25 kA @ 480 Vac

• 14 kA @ 600Y/347 Vac

• 14 kA @ 125/250 Vdc

• Full line of accessories


SIEMENS

3

NGB 125A MCCB

Molded Case Circuit Breakers for the Global OEM Market

• 15 – 125A

• 1-, 2- and 3-pole versions

• 100kA @ 240 Vac

• 25 kA @ 480Y/277 Vac

• 14 kA @ 600Y/347 Vac

• 14 kA @ 125/250 Vdc

• Fits P1-P5 Panelboards


SIEMENS

4

NGG 125A MCCB

Compared to previous SIEMENS lines:

Smaller than Sentron E-Frame Only 5.4”H, 3”W, 2.8”D

Higher interrupting ratings than CQD 65 KAIC @ 240 Vac 25 KAIC @ 480 Vac

High Performance/Current Limitation Enhances product offering for the most

popular current ratings Accepts ring terminals DIN Rail mounting

Global ratings: UL489 CSA 22.1 NOM (pending) IEC 60947-2 (pending)


SIEMENS

5

Where does the NGG 125 fit in the Siemens product range?

NGG EG 125 ED DG15-125 15-125 15-125 30-150

N 25 35 25 35H - 65 42 65L - - 65 100C - - 200 -

Yes Yes No Yes

No Yes No YesInternally Mounted Accessories

FrameAmp Range (A)

AIC @ 480 Vac (kA)

Global Ratings

CQD15-100

14--

-Yes(up to 30A)

No


SIEMENS

6

Interrupting Capacity Ratings

Ratings Volts AC Volts DC Volts AC Volts DCPoles 120 240 277 347 480 600Y/347 125 125/250 240 415 125/250

NGG 1 65 - 25 14 - - 14 - 25 - -

2, 3 - 65 - - 25 14 - 14 65 25 14

Interrupting Capacity Ratings UL 489 / IEC 60947-2 Interrupting Capacity

Ratings

Ratings Volts AC Volts DC Volts AC Volts DCPoles 120 240 277 347 480Y/277 600Y/347 125 125/250 240 415 125/250

NGB 1 100 - 25 14 - - 14 - 25 - -

2, 3 - 100 - - 25 14 - 14 65 25 14


SIEMENS

7

Accessories

NGG 125

Shunt Trip

Bell Alarm

Aux. Switch

Combo Bell / Aux.


SIEMENS

8

Tripping & Signaling Accessories•Shunt Trip•Bell Alarm•Aux. Switch•Combo Bell / Aux.

Advantages•Less inventory •Easy breaker upgrade•Field installable

NGG125 Breaker & Accessory

Common Accessories CQD, NGG & NGB


SIEMENS

9

Through the door Door mountFeatures

Door interlock & padlock provision standard

NEMA 1 & 12 for both configurations

NEMA 3R & 4X for door mount handle operator

(CQDOP34 – uses Sentron handles)

Common Accessories CQD, NGG & NGB

Handle Mechanisms


SIEMENS

10

Space Savings Over Sentron ED

15% Decreased Panel Space

0.98” Height Difference

NGGED


SIEMENS

11

Space Savings Over Sentron ED

1.05” Depth Difference

38% Decreased Volume

NGGED


SIEMENS

12

Customer Benefits – General OEM

Space savings over Sentron ED 15% decrease in panel space38% decrease in volume

Less confusion with terminal connectorsRing terminal compatibleTwo options satisfy #14-2/0 wire range

Sentron ED has 8 options for same wire range

Global Ratings High performance / current limitation Integral DIN Rail mounting

ngg/ngb 125a mccb

Documents