Skip to main content
Expedited shipping available at checkout

Federal Pacific NJL631250 Molded Case Circuit Breaker

  • 250A
  • 3 Pole
  • Bolt-On
Federal Pacific NJL631250
Molded Case Circuit Breaker
Brand Federal Pacific
SKU NJL631250
Select Item Condition
Earn 1981 SuperPoints
  • 250A
  • 3 Pole
  • Bolt-On

Quantity

Bulk Pricing
Send your parts list for a volume quote.
Federal Pacific NJL631250 3 Pole Circuit Breaker

Federal Pacific NJL631250 - 250A 3 Pole Molded Case Circuit Breaker

Re-Certified

$1,981.94 In Stock

Quantity

Similar Items

Description

A drop-in replacement for aging electrical systems, the Federal Pacific NJL631250 is a 250A molded case circuit breaker. It restores commercial power distribution without requiring panel modifications. This bolt-on MCCB mounts into legacy Federal Pacific switchboards and panelboards. It serves as an exact fit for N-Frame applications, cross-referencing with the NJL632250 alternative. Rated for 30kAIC at 480VAC, it utilizes fixed thermal magnetic trip technology for reliable LI protection.

Specifications

Key specifications
Brand Federal Pacific
Part Number NJL631250-R
Series NJL
Amperage 250A
Poles 3
Mounting Style Bolt-On
Voltage 240VAC, 480VAC, 600VAC
Phase 3
AIC Rating 42kA @ 240VAC, 30kA @ 480VAC, 22kA @ 600VAC
Fit and installation
Terminal Type Lugs
For Use With Federal Pacific Switchboards, Panelboards
Wire Gauge 6 AWG - 350 kcmil
Max Wire 350 kcmil
Min Wire 6 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
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

4 answers
Which panelboards are compatible with the NJL631250 circuit breaker?

It is designed to mount into legacy Federal Pacific switchboards and panelboards configured for N-Frame bolt-on circuit breakers.

How is the NJL631250 connected within a switchboard?

It features a bolt-on mounting style for the line side and comes equipped with load-side lug terminals that accommodate 6 AWG to 350 kcmil conductors.

What is a valid cross-reference for the Federal Pacific NJL631250?

This breaker cross-references directly with the Federal Pacific NJL632250, serving as an exact fit for 250A, 3-pole N-Frame applications.

Are the thermal and magnetic trip functions on the NJL631250 adjustable?

No, this molded case circuit breaker features fixed thermal and fixed magnetic trip settings for long-time and instantaneous (LI) protection.

SuperClub

Join free. Get 500 SuperPoints.

Earn points on eligible purchases and redeem them at checkout.

100 SuperPoints = $1 off.

Warranties

60-Day Warranty

Your purchase includes 60 days of SuperBreakers warranty coverage.

Get a Quote

Don’t see what you’re looking for?

We source obsolete and hard-to-find parts every day.

Shipping

Free Shipping Policy

Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.

Read our full shipping policy

Same Day Shipping

We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.

Expedited Shipments

Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.

International Shipping

All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.

Reviews

3.0
Rated 3.0 out of 5 stars
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
Rating
Ratings
1 review
  • MN
    Michael N.
    Verified Buyer
    Reviewing
    Federal Pacific NJL631300 - 300A 3 Pole Molded Case Circuit Breaker
    Rated 3 out of 5 stars
    8/7/25
    Quick shipping 👍

    Came missing lugs..

    Wanna buy mine ? Tripping prematurely....

    Michael 201-578-0628