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Federal Pacific NFJ631225 Molded Case Circuit Breaker
- 225A
- 3 Pole
- Bolt-On
Federal Pacific
NFJ631225
Molded Case Circuit Breaker
Brand
Federal Pacific
SKU
NFJ631225
Quantity
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Federal Pacific NFJ631225 - 225A 3 Pole Molded Case Circuit Breaker
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Federal Pacific NFJ631225 - 225A 3 Pole Molded Case Circuit Breaker
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| Brand | Federal Pacific |
|---|---|
| Series | NFJ |
| Amperage | 225A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 14kA @ 600VAC |
| Frame Type | NFJ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Federal Pacific Panelboards |
| Wire Gauge | 4 AWG - 300 kcmil |
| Max Wire | 300 kcmil |
| 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 | Line and Load Lugs Included |
| Standards | UL 489, NEMA AB-1 |
| Approval | UL |
| Temp Rating | 40C |
Quantity
Federal Pacific NFJ631225 - 225A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Federal Pacific |
|---|---|
| Part Number | NFJ631225 |
| Series | NFJ |
| Amperage | 225A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 14kA @ 600VAC |
| Frame Type | NFJ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Federal Pacific Panelboards |
| Wire Gauge | 4 AWG - 300 kcmil |
| Max Wire | 300 kcmil |
| 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 | Line and Load Lugs Included |
| Standards | UL 489, NEMA AB-1 |
| Approval | UL |
| Temp Rating | 40C |
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Description
Part of the legacy N-Frame series, the NFJ631225 provides 225A of reliable power distribution for commercial and industrial facilities. This 3-pole molded case circuit breaker is engineered to fit seamlessly into existing Federal Pacific panelboards, eliminating the need for aftermarket adapters or complete enclosure replacements. It features a fixed thermal-magnetic trip unit, handles up to 600VAC, and delivers an 18 kAIC interrupting rating at 480VAC through a secure bolt-on connection.Specifications
| Brand | Federal Pacific |
|---|---|
| Part Number | NFJ631225 |
| Series | NFJ |
| Amperage | 225A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 14kA @ 600VAC |
| Frame Type | NFJ |
|---|---|
| Terminal Type | Lugs |
| For Use With | Federal Pacific Panelboards |
| Wire Gauge | 4 AWG - 300 kcmil |
| Max Wire | 300 kcmil |
| 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 | Line and Load Lugs Included |
| Standards | UL 489, NEMA AB-1 |
| Approval | UL |
| Temp Rating | 40C |
Product FAQs
6 answersWhat panelboards accept the NFJ631225 circuit breaker?
This N-Frame breaker is designed specifically as a bolt-on replacement for legacy Federal Pacific Electric (FPE) and American NFJ series commercial panelboards.
What wire size range is supported by the lugs on the NFJ631225?
The factory load-side lugs on this 225A breaker accommodate wire gauges ranging from 4 AWG to 300 kcmil.
What is the interrupting capacity (AIC) of the NFJ631225 at different voltages?
This breaker is rated to safely interrupt fault currents up to 25kA at 240VAC, 18kA at 480VAC, and 14kA at 600VAC.
Are the trip settings adjustable on this Federal Pacific breaker?
No. It is equipped with a fixed thermal-magnetic trip unit that provides preset Long-Time and Instantaneous (LI) protection.
Are FPE, Federal Pacific, and American NFJ631225 the same breaker?
Yes. Federal Pacific Electric (FPE) and American Circuit Breaker both manufactured the commercial N-Frame series. The NFJ631225 catalog number will fit interchangeably in panels designed for either legacy brand.
Is the NFJ631225 part of the Federal Pacific Stab-Lok series?
No. This is a heavy-duty bolt-on molded case circuit breaker designed for commercial industrial panelboards. It does not use the residential Stab-Lok plug-in connection design.
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Reviews
Review summary
Customers rate this product 4.7 out of 5 based on 3 reviews.
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Rating
3 reviews
- ESEvan S.Verified BuyerReviewingFederal Pacific NFJ631225 - 225A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/11/26Review
Works great!
- RCRalph C.Verified BuyerReviewingFederal Pacific NFJ631150 - 150A 3 Pole Molded Case Circuit BreakerI recommend this productRated 4 out of 5 stars11/10/25Federal Pacific NF J631150 Breaker
Surprised they had it!
Great shape, well packaged. Fast shipping
- KPKeith P.ReviewingFederal Pacific NFJ631200 - 200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars12/15/20Quick and easy ordering
Quick and easy ordering