Eaton / Cutler-HammerEGC3125FFG
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Eaton / Cutler-Hammer EGC3100FFG Molded Case Circuit Breaker
- 100A
- 3 Pole
- Unit Mount
Eaton / Cutler-Hammer
EGC3100FFG
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
EGC3100FFG
Quantity
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Eaton / Cutler-Hammer EGC3100FFG - 100A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for industrial applications, the Eaton EGC3100FFG is a 3-pole, 100A Series G molded case circuit breaker. It utilizes a compact EG-frame design with fixed thermal and magnetic trip units for reliable LI protection. This unit-mount breaker installs into Eaton Pow-R-Line panelboards, switchboards, and motor control centers. Featuring an interrupting capacity of 100 kAIC at 480VAC, it utilizes patented high-speed blow-open contact action to reduce let-through energy during severe faults.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | EGC3100FFG |
| Series | EGC |
| Amperage | 100A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 125/250VDC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 100kA @ 480VAC, 35kA @ 600Y/347VAC, 42kA @ 125/250VDC |
| Frame Type | EGC |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series G Panelboards, Pow-R-Line Panelboards, Switchboards, Motor Control Centers |
| 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, Motor Operator, Rotary Handle, Handle Lock |
|---|---|
| Accessories | Line and Load Terminals (3TA125EF), Mounting Hardware |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, KEMA, UL |
| Temp Rating | -20C to 70C |
| Construction Features | Current Limiting, High Interrupting Capacity, Reverse Feed, HACR Rated |
Product FAQs
6 answersIs the EGC3100FFG the same as legacy Cutler-Hammer or Westinghouse breakers?
Yes. Eaton acquired both the Cutler-Hammer and Westinghouse distribution equipment lines. The EGC3100FFG is an authentic Eaton Series G breaker that directly replaces older Cutler-Hammer and Westinghouse models bearing the exact same catalog number.
What do the letters FFG indicate in the EGC3100FFG catalog number?
In Eaton Series G nomenclature, the FF indicates the breaker is equipped with a fixed thermal and fixed magnetic trip unit. The G signifies that the breaker includes factory-installed line and load lug terminals.
Which panelboards are compatible with the EGC3100FFG?
This EG-frame molded case circuit breaker is designed for installation in Eaton Series G panelboards, Pow-R-Line panelboards, switchboards, and motor control centers. It is not compatible with standard residential load centers.
What wire sizes and materials do the factory lugs accept?
The included line and load feed-thru terminals are rated for 14 AWG to 1/0 AWG conductors. The lugs are dual-rated for both aluminum (Al) and copper (Cu) wire.
Can the EGC3100FFG be used in DC control circuits?
Yes, this thermal magnetic breaker is rated for direct current applications. It provides an interrupting capacity of 42 kAIC at 125/250 VDC, making it suitable for specific battery, solar, or industrial DC systems.
How is this EG-frame breaker mounted?
The EGC3100FFG is natively a unit mount (bolt-on) breaker for panelboards and switchboards. It also supports DIN-rail mounting for industrial control panels and motor control centers when used with the appropriate Eaton mounting hardware.
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