Eaton / Cutler-HammerEGC3100FFG
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Eaton / Cutler-Hammer EGC3125FFG Molded Case Circuit Breaker
- 125A
- 3 Pole
- Unit Mount
Eaton / Cutler-Hammer
EGC3125FFG
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
EGC3125FFG
Quantity
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Eaton / Cutler-Hammer EGC3125FFG - 125A 3 Pole Molded Case Circuit Breaker
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Description
A compact solution for power distribution, the Eaton EGC3125FFG is a 3-pole, 125A Series G MCCB. The EG-frame device utilizes fixed thermal and magnetic trip technology to deliver precise LI overcurrent protection. This unit-mount breaker is engineered for compatibility with Eaton Pow-R-Line panelboards, switchboards, and motor control centers. With a 100 kAIC rating at 480VAC, it features current-limiting capabilities and high-speed blow-open contacts to minimize stress during short circuits.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | EGC3125FFG |
| Series | EGC |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 100kA @ 480VAC, 35kA @ 600Y/347VAC, 42kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Eaton Series G Panelboards, Eaton Pow-R-Line Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 14-3/0 AWG |
| Max Wire | 3/0 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Line and Load Terminals |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, KEMA KEUR, UL |
| Temp Rating | 40C |
| Construction Features | Current Limiting, High-Speed Blow-Open Action |
Product FAQs
6 answersWhat does the "FFG" suffix mean in the EGC3125FFG catalog number?
The "FFG" indicates that the breaker features a fixed thermal and fixed magnetic trip unit, includes both line and load terminals, and belongs to the Series G family.
Is the EGC3125FFG an EG-frame or FD-frame breaker?
The EGC3125FFG is an EG-frame breaker from Eaton's Series G family. While it is sometimes cross-referenced with older Series C FD-frame breakers for system upgrades, the EG-frame features a more compact design and updated global ratings.
What does the "G" in Series G signify for this Eaton breaker?
The "G" stands for global applications. Breakers in the Series G family are designed to meet multiple international standards, including UL, CSA, CE, and IEC, making them suitable for equipment used domestically or exported worldwide.
How do the fixed thermal and magnetic elements protect the circuit?
The fixed thermal element provides long-time protection by tripping during sustained overloads, while the fixed magnetic element offers instantaneous protection to quickly clear short circuits. This non-interchangeable design ensures the breaker's 125A rating cannot be accidentally altered.
Can the EGC3125FFG be mounted on a DIN rail?
Yes. Although it is primarily a unit-mount breaker, the EG-frame design supports DIN rail mounting, making it highly versatile for machine tool control panels and motor control centers.
What does the feed-thru connection type mean for installation?
A feed-thru connection means the breaker is designed for straight-through wiring, with line terminals on one end and load terminals on the other. This standard configuration simplifies wire routing in panelboards and control enclosures.
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