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Federal Pacific NB232025 Miniature Circuit Breaker

  • 25A
  • 3 Pole
  • Bolt-On
Federal Pacific NB232025
Miniature Circuit Breaker
Brand Federal Pacific
SKU NB232025
Select Item Condition
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  • 25A
  • 3 Pole
  • Bolt-On

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Federal Pacific NB232025 3 Pole Circuit Breaker

Federal Pacific NB232025 - 25A 3 Pole Miniature Circuit Breaker

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$213.82 No Stock

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Description

Maintaining legacy electrical networks requires exact-fit components like the Federal Pacific NB232025. This 3-pole, 25A breaker provides fixed thermal-magnetic protection for 240VAC commercial and industrial applications. The bolt-on configuration is engineered to install into specific Federal Pacific enclosures, including NBLP, NBC, NBDP, and CDP panelboards. It features common trip functionality and standard load side lugs. A 10kAIC interrupt rating ensures dependable performance.

Specifications

Key specifications
Brand Federal Pacific
Part Number NB232025-R
Series NB
Amperage 25A
Poles 3
Mounting Style Bolt-On
Voltage 240VAC
Phase 3
AIC Rating 10kA @ 240VAC
Fit and installation
Terminal Type Lugs
For Use With Federal Pacific NBLP, NBC, NBDP, CDP Panelboards
Wire Gauge 14-2 AWG (Al/Cu)
Max Wire 2 AWG
Min Wire 14 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
Accessories Load Side Lugs Included
Standards CSA C22.2 No. 5, UL 489
Approval CSA, UL
Temp Rating 40C
Construction Features Common Trip

Product FAQs

6 answers
Which panelboards are compatible with the NB232025 circuit breaker?

This bolt-on breaker is designed for use in legacy Federal Pacific Electric NBLP, NBC, NBDP, and CDP panelboards. Verify your panel interior accepts NB-frame breakers before installation.

What wire sizes are accepted by the NB232025 terminals?

The factory lugs accept 14 AWG to 2 AWG wire and are rated for both aluminum and copper conductors. Ensure proper torque specifications are applied during installation.

What is the physical width of the NB232025 breaker?

This 3-pole miniature circuit breaker measures 3 inches wide, requiring three standard mounting spaces in a compatible panelboard.

What is the frame size of the NB232025 breaker?

The NB232025 is built on a 100A frame, though it is factory-calibrated with a fixed 25A thermal-magnetic trip unit.

Does the NB232025 provide both overload and short-circuit protection?

Yes, it utilizes a fixed thermal-magnetic trip unit. The thermal element provides long-time overload protection, while the magnetic element provides instantaneous short-circuit protection.

Is the NB232025 an original equipment manufacturer part?

Yes, this unit is an authentic Federal Pacific Electric (FPE) product designed to maintain and service legacy electrical systems.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 18 reviews
Rating
Ratings
18 reviews
  • MM
    Mike M.
    Verified Buyer
    Reviewing
    Federal Pacific NB100 - 100A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    7/2/26
    100amp federal pacific breaker

    So far the breaker works as expected

    Just good to know some of these old federal are still available.

    Thank you

  • SG
    scott g.
    Verified Buyer
    Reviewing
    Federal Pacific NB111020 - 20A 1 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    6/26/26
    Hard to find breakers

    Had a project at a school built in the 1960’s and thought we were up a creek when confronted with ancient FPE commercial panels. Luckily we found what we needed with Suoerbreakers.

  • BF
    Barry F.
    Verified Buyer
    Reviewing
    Federal Pacific NB100 - 100A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    6/13/26
    Hard to find circuit breaker

    Item was as described.

  • WW
    William W.
    Verified Buyer
    Reviewing
    Federal Pacific NB100 - 100A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    3/9/26
    Exactly what I needed.

    Awesome! Packaging and delivery were good. Bolted in and worked perfectly!!)

  • GH
    Gary H.
    Verified Buyer
    Reviewing
    Federal Pacific NB125 - 125A 2 Pole Miniature Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    3/3/26
    Federal Pacific NB125 2 Pole Circuit Breaker

    Federal Pacific NB125 2 Pole Circuit Breaker

    Great product and excellent price and warranty.