Eaton / Cutler-HammerEGS2125FFB
Eaton / Cutler-Hammer EGS3125FFB Molded Case Circuit Breaker
- 125A
- 3 Pole
- Bolt-On
Eaton / Cutler-Hammer
EGS3125FFB
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
EGS3125FFB
Quantity
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Eaton / Cutler-Hammer EGS3125FFB - 125A 3 Pole Molded Case Circuit Breaker
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Description
Part of the Series G EG-Frame family, this 125-amp molded case circuit breaker delivers robust long-time and instantaneous protection for commercial facilities. It installs seamlessly into Eaton Pow-R-Line panelboards, providing a reliable bolt-on connection for demanding electrical distribution systems. Featuring a high-speed blow-open action and current limiting capabilities, it achieves an 85kAIC rating at 240V. Note that this unit is transitioning to the newer Power Defense PDG13M0125TFFB.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | EGS3125FFB |
| Series | EGS |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 125/250VDC |
| Phase | 3 |
| 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 | 14-3/0 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, Padlock Attachment, Motor Operator, Multi-Wire Lug Kit |
|---|---|
| Accessories | Load Side Lugs Included, Mounting Hardware |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, HACR, IEC, KEMA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed |
Product FAQs
7 answersIs there a newer replacement for the EGS3125FFB?
Yes, Eaton is transitioning the Series G EGS3125FFB to the newer Power Defense series. The direct replacement is catalog number PDG13M0125TFFB.
Can the EGS3125FFB be mounted on a DIN rail?
While the breaker features a standard bolt-on mounting configuration, it can be mounted to a DIN rail using an Eaton adapter kit, such as the EGDIN or EF34DIN.
Which panelboards are compatible with the EGS3125FFB circuit breaker?
This EG-frame breaker is designed for installation in Eaton Pow-R-Line panelboards and compatible electrical distribution assemblies.
Is the EGS3125FFB rated for use in DC electrical systems?
Yes, this breaker is rated for DC applications up to 125/250VDC with an interrupting capacity of 35kAIC.
What wire sizes do the standard lugs on the EGS3125FFB accept?
The included lugs accept wire gauges ranging from 14 AWG to 3/0 AWG.
Does the EGS3125FFB have adjustable trip settings?
No, this breaker features a fixed thermal and fixed magnetic trip unit. The overload and short-circuit trip points cannot be adjusted in the field.
What does the FFB suffix indicate in the EGS3125FFB catalog number?
In Eaton Series G nomenclature, FFB indicates that the breaker has a fixed thermal trip, a fixed magnetic trip, and a bolt-on mounting configuration.
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