This document discusses Siemens' EG 125 molded case circuit breakers for OEM applications. It provides details on their specifications including amperage range, interrupting capacity ratings, accessories, and global ratings. The document also shows where the EG 125 fits within Siemens' product range and compares it to other circuit protection devices.

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

2. Siemens Energy &
Automation
SIEMENS
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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

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Automation
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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

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

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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

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Accessories
EG 125

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

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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

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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

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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

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 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

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