Eaton / Cutler-Hammer FG3080 Molded Case Circuit Breaker
- 80A
- 3 Pole
- Unit Mount
Quantity
Eaton / Cutler-Hammer FG3080 - 80A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for reliable generator protection, the Eaton FG3080 is an 80-amp, 3-pole MCCB rated for up to 600VAC. It serves commercial and industrial facilities requiring specialized generator integration. The breaker mounts into Eaton Series C switchboards, panelboards, and motor control centers, featuring a unit mount design with lugs for 14 to 1/0 AWG conductors. It delivers 14kAIC at 480V and includes a low magnetic pickup, ensuring precise fault response for engine generators.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | FG3080 |
| Series | FG |
| Amperage | 80A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 18kA @ 240VAC, 14kA @ 480VAC, 10kA @ 600VAC |
| Frame Type | FG |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series C Panelboards, Switchboards, Motor Control Centers, Diesel Engine Generators |
| Wire Gauge | 14 AWG - 1/0 AWG |
| 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 | Line and Load Terminals |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | Engine Generator Rated, Reverse Feed, Low Magnetic Pickup, HACR Rated |
Product FAQs
7 answersWhat applications is the Eaton FG3080 circuit breaker designed for?
The FG3080 is an engine generator circuit breaker designed specifically for diesel engine generators and specialized generator integration. It features a low magnetic pickup to provide precise fault response for generator applications.
What are the specific generator ratings for the FG3080 breaker?
This breaker is rated for 72 kVA (58 kW) at 240VAC, 144 kVA (116 kW) at 480VAC, and 181 kVA (144 kW) at 600VAC.
Can the Eaton FG3080 be reverse fed?
Yes, the FG3080 features reverse feed capability. This is a common requirement for engine generator applications where power flow direction may vary.
What wire sizes are accepted by the standard lugs on the FG3080?
The standard line and load lugs accept 14 AWG to 1/0 AWG conductors and are rated for both copper and aluminum wiring.
Which panelboards and enclosures are compatible with the FG3080?
This breaker mounts into Eaton Series C panelboards, switchboards, and motor control centers that are designed to accept F-frame molded case circuit breakers.
How does the trip unit on the FG3080 differ from standard breakers?
It uses a fixed thermal, fixed magnetic trip unit with long-time and instantaneous (LI) trip functions. Unlike standard breakers, it is calibrated with a low magnetic pickup specifically for generator protection.
Can the FG3080 replace standard Eaton F-frame circuit breakers?
While the FG3080 shares the same physical dimensions as standard Eaton Series C F-frame breakers, it is specifically calibrated for engine generators. Using it in place of a standard distribution breaker may not meet system coordination requirements due to its low magnetic pickup.
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