Eaton / Cutler-Hammer LGE3250FAG Molded Case Circuit Breaker
- 250A
- 3 Pole
- Unit Mount
Quantity
Eaton / Cutler-Hammer LGE3250FAG - 250A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for commercial power distribution, this 250-amp LG-frame breaker utilizes high-speed blow-open action to limit peak current during fault conditions. The device installs into Eaton Series G panelboards, switchboards, and motor control centers without requiring specialized hardware. Equipped with fixed thermal and adjustable magnetic trip functions, it achieves a 65kAIC interrupt rating at 240VAC, ensuring robust performance for critical facility infrastructure and heavy machinery.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | LGE3250FAG |
| Series | LGE |
| Amperage | 250A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC, 22kA @ 250VDC |
| Frame Type | LG |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series G Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 3 AWG - 500 kcmil (Cu/Al) |
| Max Wire | 500 kcmil |
| Min Wire | 3 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable 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, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Current Limiting, High-Speed Blow-Open Action, 80% Rated |
Product FAQs
8 answersWhat type of wire and lugs are compatible with the LGE3250FAG?
This breaker includes standard line and load lugs that accept 3 AWG to 500 kcmil copper or aluminum conductors. Ensure proper torque specifications are applied during installation as indicated on the breaker faceplate.
Can the LGE3250FAG be used in reverse-feed applications?
Yes. Eaton Series G LG-frame thermal-magnetic circuit breakers are suitable for reverse-feed applications. They can be back-fed without issue since they do not contain electronic trip units with directional limitations.
What does the FAG suffix indicate in the LGE3250FAG catalog number?
The FA designates a fixed thermal and adjustable magnetic trip unit. The G indicates that standard line and load lug terminals are included from the factory.
Can I substitute an LGE325032W for the LGE3250FAG?
While both are 250A, 3-pole LG-frame breakers, they have different configurations. The LGE3250FAG uses a thermal-magnetic trip unit and includes lugs. The LGE325032W features an electronic LSI trip unit and comes without line or load terminals, which is indicated by the W suffix.
How should the LGE3250FAG be wired for 250VDC applications?
When applying this breaker on a 250VDC system, Eaton requires wiring two of the three poles in series to achieve the full 22kAIC interrupting rating.
Is the LGE3250FAG rated for 100 percent continuous load?
No. Because the catalog number does not include a 100 percent rating designator, this breaker carries a standard 80 percent continuous current rating. Continuous loads lasting three hours or more should not exceed 200 amps.
Does the LGE3250FAG provide ground fault protection?
No. This breaker is equipped with a standard thermal-magnetic trip unit providing Long-Time and Instantaneous (LI) protection. It does not include equipment ground fault protection (LSIG) or personnel ground fault circuit interruption (GFCI).
What equipment is the LGE3250FAG designed to mount in?
This unit-mount breaker is designed for installation in Eaton Series G panelboards, switchboards, and motor control centers. It mounts directly to the chassis or backpan using standard LG-frame hardware.
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