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Federal Pacific HEF631050 Molded Case Circuit Breaker
- 50A
- 3 Pole
- Bolt-On
Federal Pacific
HEF631050
Molded Case Circuit Breaker
Brand
Federal Pacific
SKU
HEF631050
Quantity
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Federal Pacific HEF631050 - 50A 3 Pole Molded Case Circuit Breaker
Re-Certified
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Description
Part of the legacy H-Frame series, this 50A molded case circuit breaker provides reliable power distribution for commercial and industrial facilities. It installs into older Federal Pacific panelboards and switchboards, offering a seamless fit that replaces the discontinued NEF631050. Featuring a bolt-on mounting style and thermal magnetic trip unit, the breaker handles up to 600VAC and delivers a 22 kAIC interrupting rating at 480V for dependable system safety.Specifications
| Brand | Federal Pacific |
|---|---|
| Part Number | HEF631050-R |
| Series | HEF |
| Amperage | 50A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC, 22kA @ 480VAC, 14kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | HEF |
|---|---|
| Terminal Type | Lugs |
| For Use With | FPE Panelboards and Switchboards |
| Wire Gauge | 14-2 AWG (Cu/Al) |
| Max Wire | 2 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | UL 489, NEMA AB-1 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity |
Product FAQs
5 answersWhat types of panels accept the HEF631050?
This H-frame breaker is designed for bolt-on installation in legacy Federal Pacific (FPE) panelboards and switchboards.
Can the HEF631050 replace discontinued NEF series breakers?
Yes, this HEF breaker is a direct bolt-on replacement for the discontinued NEF631050 in legacy Federal Pacific panelboards and switchboards.
What wire sizes are supported by the lugs on the HEF631050?
The included lugs accept 14 AWG to 2 AWG copper or aluminum wire.
Can the HEF631050 be used in DC voltage applications?
Yes, this breaker is rated for up to 250VDC with a 10kA interrupting capacity.
What are the trip functions on this FPE breaker?
The HEF631050 features a fixed thermal-magnetic trip unit with long-time and instantaneous (LI) protection.
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