Eaton / Cutler-HammerEGS2060FFB
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Eaton / Cutler-Hammer EGS2125FFB Molded Case Circuit Breaker
- 125A
- 2 Pole
- Bolt-On
Eaton / Cutler-Hammer
EGS2125FFB
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
EGS2125FFB
Quantity
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Eaton / Cutler-Hammer EGS2125FFB - 125A 2 Pole Molded Case Circuit Breaker
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Description
Mounting securely into Eaton Pow-R-Line panelboards, the EGS2125FFB functions as a 2-pole, 125A molded case circuit breaker. This Series G, EG-frame device is engineered for commercial, industrial, and marine applications requiring dependable power distribution. The bolt-on connection ensures a stable, high-retention fit within compatible panels. It utilizes fixed thermal and magnetic (LI) trip technology. This HACR-rated breaker delivers a 35kAIC interrupting capacity at 480VAC.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | EGS2125FFB |
| Series | EGS |
| Amperage | 125A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 125/250VDC |
| Phase | 1 |
| AIC Rating | 85kA @ 240VAC, 35kA @ 480VAC, 22kA @ 600Y/347VAC, 35kA @ 125/250VDC |
| Frame Type | EG |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Pow-R-Line Panelboards |
| Wire Gauge | 14-1/0 AWG (Al/Cu) |
| Max Wire | 1/0 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 | Load Side Lugs, Mounting Hardware |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, KEMA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed, Trip-Free Mechanism |
Product FAQs
6 answersWhat panelboards are compatible with the EGS2125FFB circuit breaker?
The EGS2125FFB is designed for use with Eaton Pow-R-Line panelboards. It features a bolt-on connection that mounts directly to the panelboard bus.
What wire sizes and materials are accepted by the standard lugs on the EGS2125FFB?
The factory-installed lugs on this breaker accept 14 AWG to 1/0 AWG aluminum or copper (Al/Cu) conductors. Ensure proper torque specifications are applied during installation.
Can the EGS2125FFB be used in direct current (DC) applications?
Yes, this breaker is rated for DC systems up to 125/250VDC, providing a 35kA interrupting capacity for direct current applications.
What does the FFB suffix in the EGS2125FFB catalog number indicate?
In the Eaton Series G nomenclature, the FF indicates a fixed thermal and fixed magnetic trip unit, while the B designates a bolt-on terminal connection.
Are the trip settings on the EGS2125FFB adjustable?
No, this breaker is equipped with a thermal-magnetic trip unit featuring fixed long-time and fixed instantaneous (LI) trip functions. The trip settings cannot be adjusted in the field.
Does the EGS2125FFB mount via DIN rail or a plug-on connection?
No, the EGS2125FFB is a bolt-on molded case circuit breaker. It is engineered to be bolted directly to the bus of compatible Eaton Pow-R-Line panels and does not use a DIN rail or plug-on mounting system.
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