Eaton / Cutler-HammerEGE3110FFG
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Eaton / Cutler-Hammer EGE3125FFG Molded Case Circuit Breaker
- 125A
- 3 Pole
- Unit Mount
Eaton / Cutler-Hammer
EGE3125FFG
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
EGE3125FFG
Quantity
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Eaton / Cutler-Hammer EGE3125FFG - 125A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial and industrial applications, this 125A three-pole breaker provides fixed thermal and magnetic trip functions. It installs into Eaton Pow-R-Line 1a and 2a panelboards, Series G enclosures, and motor control centers. Delivering a 35kA interrupt rating at 240VAC, the current-limiting design ensures high-speed blow-open action. Note that this legacy EG-frame unit is officially replaced by the Power Defense PDG23F0125TFFJ, requiring terminal verification for upgrades.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | EGE3125FFG |
| Series | EGE |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 35kA @ 240VAC, 25kA @ 480VAC, 18kA @ 600Y/347VAC, 10kA @ 250VDC |
| Frame Type | EG |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Pow-R-Line 1a Panelboards, Eaton Pow-R-Line 2a Panelboards, Series G Enclosures, 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, Padlock Attachment, Rotary Handle, Terminal Shields |
|---|---|
| Accessories | Line and Load Terminals |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, KEMA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Current Limiting, Reverse Feed |
Product FAQs
9 answersWhat panelboards are compatible with the EGE3125FFG?
This EG-frame breaker is designed for use in Eaton Pow-R-Line 1a and 2a panelboards, as well as Series G enclosures, switchboards, and motor control centers.
Does this breaker support DIN rail mounting?
Yes, the EGE3125FFG can be DIN rail mounted or panel mounted. It is a unit mount, feed-thru circuit breaker.
What wire size is accepted by the standard lugs on this breaker?
The standard factory lugs accept wire gauges from 14 AWG up to 3/0 AWG. Ensure you use the correct torque specifications provided on the breaker label during installation.
Can the EGE3125FFG be used in DC applications?
Yes, this breaker is rated for DC applications up to 250VDC with a 10kA interrupting capacity.
What does the FFG in the catalog number EGE3125FFG indicate?
In the Eaton Series G nomenclature, FF indicates that the breaker has a fixed thermal and fixed magnetic trip unit. The G indicates it includes standard line and load terminals.
Is the EGE3125FFG a direct replacement for older Cutler-Hammer EG breakers?
Yes, Eaton and Cutler-Hammer are the same brand. The EGE3125FFG is the exact same EG-frame breaker whether it is labeled as Eaton or Cutler-Hammer.
What is the maximum interrupting rating for this breaker?
The EGE3125FFG has a maximum interrupting rating of 35kA at 240VAC. It is also rated for 25kA at 480VAC and 18kA at 600Y/347VAC. Always verify your system available fault current before installation.
Is the EGE3125FFG suitable for reverse feed applications?
Yes, this EG-frame molded case circuit breaker is reverse feed capable, allowing for flexible installation in your panelboard or enclosure.
What trip functions are included in the EGE3125FFG?
This breaker features a fixed thermal and fixed magnetic trip unit, providing both long-time overload protection and instantaneous short-circuit protection.
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