Federal Pacific NJL632125SM3 Molded Case Circuit Breaker
- 125A
- 3 Pole
- Bolt-On
Quantity
Federal Pacific NJL632125SM3 - 125A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Engineered for commercial applications, the NJL632125SM3 is a 3-pole molded case circuit breaker rated for 125 amps. It provides proven thermal-magnetic protection for demanding distribution systems. This bolt-on unit is a direct replacement for discontinued Federal Pacific panelboards. It serves as an exact substitute for the older NJL631125 variant, ensuring seamless integration without aftermarket adapters. Rated at 30 kAIC at 480VAC, it includes a factory-installed shunt trip accessory.Specifications
| Brand | Federal Pacific |
|---|---|
| Part Number | NJL632125SM3 |
| Series | NJL |
| Amperage | 125A |
| 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 | Undervoltage Release, Auxiliary Switch |
|---|---|
| Accessories | Shunt Trip |
| Standards | UL 489, NEMA AB 1 |
| Approval | UL |
| Temp Rating | 40C |
| Construction Features | Non-Interchangeable Trip |
Product FAQs
5 answersWhat equipment is the Federal Pacific NJL632125SM3 designed to fit?
This N-Frame molded case circuit breaker is engineered as a direct, bolt-on replacement for legacy Federal Pacific (FPE) switchboards and panelboards. It allows you to maintain aging infrastructure without requiring panel modifications.
What older Federal Pacific catalog numbers does this breaker replace?
The NJL632125SM3 serves as an exact drop-in substitute for the discontinued NJL631125 variant. It shares the same physical dimensions and mounting hardware, ensuring seamless integration without aftermarket adapters.
What does the SM3 suffix indicate on this breaker?
The SM3 suffix designates that this specific breaker configuration comes equipped with a factory-installed shunt trip accessory. This allows the breaker to be tripped remotely via an external control signal.
How does the trip unit on the NJL632125SM3 operate?
It features a non-interchangeable, fixed thermal-magnetic trip unit. This provides reliable long-time (thermal) protection against overloads and instantaneous (magnetic) protection against short circuits, commonly referred to as LI protection.
What are the wire size requirements for the terminal lugs on this breaker?
The included lugs are designed to accept wire gauges ranging from 6 AWG up to 350 kcmil. Ensure your conductors are sized appropriately for a 125-amp continuous load in accordance with local electrical codes.
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Reviews
Review summary
Customers rate this product 3.0 out of 5 based on 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