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Federal Pacific NJL632400 Molded Case Circuit Breaker

  • 400A
  • 3 Pole
  • Bolt-On
Federal Pacific NJL632400
Molded Case Circuit Breaker
Brand Federal Pacific
SKU NJL632400
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  • 400A
  • 3 Pole
  • Bolt-On

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Federal Pacific NJL632400 - 400A 3 Pole Molded Case Circuit Breaker

Federal Pacific NJL632400 - 400A 3 Pole Molded Case Circuit Breaker

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$1,639.44 Check Stock

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Description

Maintaining legacy power distribution networks is simple with the Federal Pacific NJL632400. This 400-amp, 3-pole molded case circuit breaker is engineered for commercial applications requiring up to 600VAC. The bolt-on design ensures a secure fit into existing Federal Pacific switchboards and panelboards. By utilizing this exact-match component, facility managers bypass the need for extensive panel modifications. A 30kAIC rating at 480V guarantees reliable interruption during short circuits.

Specifications

Key specifications
Brand Federal Pacific
Part Number NJL632400
Series NJL
Amperage 400A
Poles 3
Mounting Style Bolt-On
Voltage 600VAC
Phase 3
AIC Rating 42kA @ 240VAC, 30kA @ 480VAC, 22kA @ 600VAC
Fit and installation
Frame Type NJL
Terminal Type Lugs
For Use With Federal Pacific Switchboards, Panelboards
Wire Gauge 2/0 AWG - 250 kcmil (x2) or 2/0 AWG - 500 kcmil (x1) (Al/Cu)
Max Wire 500 kcmil
Min Wire 2/0 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Adjustable Magnetic
Standards and features
Available Options Shunt Trip, Undervoltage Release, Auxiliary Switch
Accessories Load Side Lugs
Standards NEMA AB 1, UL 489
Approval UL
Temp Rating 40C
Construction Features Non-Interchangeable Trip

Product FAQs

4 answers
What wire sizes are accepted by the standard lugs on the NJL632400?

The terminals accommodate either two 2/0 AWG - 250 kcmil conductors or a single 2/0 AWG - 500 kcmil conductor. The lugs are rated for both aluminum and copper wiring.

What type of enclosures are compatible with the NJL632400 breaker?

This N-frame breaker is designed specifically for bolt-on installation in legacy Federal Pacific panelboards and switchboards.

Can the trip settings on the NJL632400 be adjusted in the field?

The thermal element for long-time protection is fixed, but the magnetic instantaneous trip function is adjustable to coordinate with downstream loads.

Are new Federal Pacific NJL632400 breakers still being manufactured?

Federal Pacific Electric is no longer in business. This breaker is supplied to support and maintain existing legacy FPE switchboards and panelboards.

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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