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Federal Pacific HEF631090 Molded Case Circuit Breaker
- 90A
- 3 Pole
- Bolt-On
Federal Pacific
HEF631090
Molded Case Circuit Breaker
Brand
Federal Pacific
SKU
HEF631090
Quantity
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Federal Pacific HEF631090 - 90A 3 Pole Molded Case Circuit Breaker
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Description
Designed to restore aging infrastructure, the Federal Pacific HEF631090 is a 3-pole, 90A molded case circuit breaker utilizing fixed thermal-magnetic trip elements. This bolt-on breaker installs into legacy FPE panelboards. It acts as a seamless substitute for the obsolete NEF631090 and UBIF090, ensuring a proper fit without panel modifications. Featuring a robust 42kAIC rating at 240VAC and 22kAIC at 480VAC, this HEF-series breaker handles demanding commercial faults.Specifications
| Brand | Federal Pacific |
|---|---|
| Part Number | HEF631090-R |
| Series | HEF |
| Amperage | 90A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC, 22kA @ 480VAC, 14kA @ 600VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | FPE Panelboards |
| Wire Gauge | 4 AWG - 1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 4 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 |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | UL 489, NEMA AB-1, CSA C22.2 No. 5.1 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | High Interrupting Capacity |
Product FAQs
3 answersWhich obsolete Federal Pacific breakers can the HEF631090 replace?
This H-Frame breaker acts as a direct substitute for the obsolete NEF631090 and UBIF090 circuit breakers. It ensures a proper fit in existing legacy FPE panelboards without requiring panel modifications.
Do I need to purchase load-side lugs separately for the HEF631090?
No, the breaker comes complete with load-side lug terminals. These lugs are dual-rated for copper and aluminum conductors ranging from 4 AWG to 1/0 AWG.
What type of panelboard is required for this breaker?
The HEF631090 is a bolt-on molded case circuit breaker designed exclusively for legacy Federal Pacific Electric (FPE) panelboards. It is used to maintain and restore aging electrical infrastructure without requiring a complete system retrofit.
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