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Federal Pacific NJL631100 Molded Case Circuit Breaker
- 100A
- 3 Pole
- Bolt-On
Federal Pacific
NJL631100
Molded Case Circuit Breaker
Brand
Federal Pacific
SKU
NJL631100
Quantity
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Federal Pacific NJL631100 - 100A 3 Pole Molded Case Circuit Breaker
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Description
Designed to maintain aging electrical infrastructure, this 100A molded case circuit breaker provides reliable long-time and instantaneous trip functions. It serves commercial and industrial facilities utilizing classic N-Frame architecture. Installs seamlessly into existing Federal Pacific switchboards and panelboards. It acts as a drop-in substitute for the NJL632100, eliminating the need for aftermarket retrofit kits.Specifications
| Brand | Federal Pacific |
|---|---|
| Series | NJL |
| Amperage | 100A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 42kA @ 240VAC, 30kA @ 480VAC, 22kA @ 600VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Federal Pacific Switchboards, Panelboards |
| Wire Gauge | 6 AWG - 350 kcmil |
| Max Wire | 350 kcmil |
| Min Wire | 6 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Undervoltage Release, Auxiliary Switch |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | UL 489, NEMA AB 1 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | Non-Interchangeable Trip |
Product FAQs
5 answersWhat enclosures are compatible with the Federal Pacific NJL631100?
This N-Frame molded case circuit breaker is designed as a direct, bolt-on fit for legacy Federal Pacific switchboards and panelboards. It allows you to maintain existing infrastructure without requiring aftermarket retrofit kits or panel modifications.
What wire sizes do the lugs on the NJL631100 accept?
The load-side lugs on this breaker are designed to accommodate wire gauges ranging from 6 AWG up to 350 kcmil.
Is the NJL631100 still actively manufactured by Federal Pacific?
No, Federal Pacific Electric is no longer in business, making this an obsolete legacy breaker. However, exact-fit replacements are still sourced to maintain existing N-Frame applications. It can also serve as a drop-in substitute for the NJL632100.
What type of trip unit is installed in the NJL631100?
It features a non-interchangeable thermal magnetic trip unit with fixed thermal and fixed magnetic settings. It provides standard LI (Long-Time and Instantaneous) overcurrent protection for commercial applications.
Is the NJL631100 part of the Federal Pacific Stab-Lok series?
No. The NJL631100 is an industrial N-Frame molded case circuit breaker designed for commercial switchboards and panelboards. It does not use the residential Stab-Lok connection type.
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Reviews
Review summary
Customers rate this product 3.0 out of 5 based on 1 review.
Total 5 star reviews: 0 Total 4 star reviews: 0 Total 3 star reviews: 1 Total 2 star reviews: 0 Total 1 star reviews: 0
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Rating
1 review
- MNMichael N.Verified BuyerReviewingFederal Pacific NJL631300 - 300A 3 Pole Molded Case Circuit BreakerRated 3 out of 5 stars8/7/25Quick shipping 👍
Came missing lugs..
Wanna buy mine ? Tripping prematurely....
Michael 201-578-0628