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Siemens Energy &
Automation
EG 125
Molded Case Circuit Breakers for the OEM Market

2. Siemens Energy &
Automation
SIEMENS
2
EG 125
Molded Case Circuit Breakers
for the OEM Market
• 1/2/3/4 pole
• 35/65 kAIC @ 480 Vac
• 600Y/347 Vac Max
• Circuit Protection
• Bolt-on Version
• Motor Protection
• Switch Version
• Marine SA, Naval SB, 50°C

3. Siemens Energy &
Automation
SIEMENS
3
EG 125
Molded Case Circuit Breakers for the OEM Market
 Full Line of Accessories
 Internally mounted signaling and tripping accessories
 Easy-to-install external operators
 High Performance, Current Limiting Design
 Two AIC levels:
 35kA @ 480Vac
 65kA @ 480Vac
 Global ratings:
 UL489
 CSA 22.2 No. 5-02
 NOM NMX-J-266-ANCE 2002 (date TBD)
 IEC 60947-2
 Added customer benefits
 Reverse feeding
 Compact size

4. Siemens Energy &
Automation
SIEMENS
4
Interrupting Capacity Ratings
Interrupting Capacity Ratings
 UL 489 / IEC 60947-2 Interrupting Capacity Ratings

5. Siemens Energy &
Automation
SIEMENS
5
Where does the EG 125 fit in the Siemens
product range?
NGG EG ED DG
15-125 15-125 15-125 30-150
N 25 35 25 35
H - 65 42 65
L - - 65 100
C - - 200 -
T/M FF T/M FF T/M FA T/M or ETU
Yes Yes No Yes
No Yes No Yes
Internally Mounted
Accessories
Frame
Amp Range (A)
AIC @ 480 Vac
(kA)
Trip Unit
Global Ratings

6. Siemens Energy &
Automation
SIEMENS
6
Accessories
EG 125

7. Siemens Energy &
Automation
SIEMENS
7
Common Internal Accessories NEG/HEG
Shunt Trip UVR
Bell Alarm Aux. Switch Combo Bell/Aux.
Internally Mounted Accessories:
*36” wire leads standard

8. Siemens Energy &
Automation
SIEMENS
8
Left Pole - Tripping
• Shunt Trip
• UVR
Right Pole - Breaker Status
• Auxiliary Switch
• 1A-1B
• 2A-2B
• Bell Alarm
• 1M-1B
• 2M-2B
• Combo Aux Sw./Bell Alarm
EG125 Breaker
EG125 Breaker
Common Internal Accessories NEG/HEG

9. Siemens Energy &
Automation
SIEMENS
9
Handle Mechanisms
Current Product Offering
Direct Mount
Rotary Style
Variable Depth
Flange Mount
Flexible Operator
 New EG Version
 No Need to Remove Secondary Cover
 Less Mounting Time
 4X Solution

10. Siemens Energy &
Automation
SIEMENS
10
Other Accessories NEG/HEG
CONNECTIONS & MOUNTING OPTIONS
• Steel wrap-around terminals
• Aluminum body terminals
• Plug-in mounting base
• Rear mounting studs
• DIN Rail adapter
• Power distribution (multi-wire) connectors
• Control wire taps
LOCKS & INTERLOCKS
• Handle padlock (OFF or ON)
• Handle block
• Sliding bar interlock
• Walking beam interlock

11. Siemens Energy &
Automation
SIEMENS
11
 3-100A Continuous Duty, 3-Pole
 Component Recognized per UL/CSA/IEC
 Full line of accessories
 High Performance
 Combination I.C. ratings possible up to 100kA @
480V
 3-11 x In Magnetic Pick-up Range
 Smaller Footprint
 13% less panel space than Sentron ED motor
circuit protector
 40% less volume than Sentron ED motor circuit
protector
Motor Circuit Protectors

12. Siemens Energy &
Automation
SIEMENS
12
Collateral
 Cut Sheet & Product Guide
 Both can be found on the Siemens website
www.sea.siemens.com
 Speedfax