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Federal Pacific NEF433020 Circuit Breaker

  • 20
  • 3 Pole
  • Bolt-On
Federal Pacific NEF433020
Circuit Breaker
Brand Federal Pacific
SKU NEF433020
Select Item Condition
Earn 212 SuperPoints
  • 20
  • 3 Pole
  • Bolt-On

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Federal Pacific NEF433020 3 Pole Circuit Breaker

Federal Pacific NEF433020 3 Pole Circuit Breaker

Re-Certified

$212.51 In Stock

Quantity

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Description

Federal Pacific NEF433020 3 Pole Circuit Breaker

The Federal Pacific NEF433020 is a 3 Pole thermal magnetic molded case circuit breaker with a current rating of 20 Amps and a voltage rating of 480V. It has an interrupting rating of 14kAIC at 480V. The NEF433020 has a bolt-on connection type and includes long time and instantaneous trip functions.

Specifications

Key specifications
Brand Federal Pacific
Part Number NEF433020-R
Series NEF
Amperage 20 A
Poles 3
Mounting Style Bolt-On
Voltage 480V
Phase 3
AIC Rating 14kAIC at 480V
Fit and installation
Terminal Type Lugs
For Use With Federal Pacific NEF Panelboards, CDP Panelboards
Wire Gauge 14-2 AWG
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
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Bell Alarm, Undervoltage Release
Accessories Lugs Included
Approval CSA, UL, NEMA
Temp Rating 40C
Construction Features Non-Interchangeable Trip, Vibration Tested, Reverse Feed Suitable

Product FAQs

6 answers
Which panelboards accept the NEF433020 circuit breaker?

This N-Frame breaker is specifically designed for use in legacy Federal Pacific NEF and CDP panelboards.

What wire gauge range is supported by the terminals on this breaker?

The standard lugs on the NEF433020 accommodate wire sizes from 14 AWG to 2 AWG.

What type of protection does the LI trip function provide on this breaker?

The thermal-magnetic trip unit delivers fixed long-time protection against overloads and instantaneous protection against short circuits.

Does this breaker require a mounting kit for installation?

No, the NEF433020 features a standard bolt-on connection that mounts directly to the bus of compatible Federal Pacific NEF and CDP panelboards.

Is the Federal Pacific NEF433020 still actively manufactured?

Federal Pacific is no longer in business, making the NEF series a legacy product line. This breaker serves as a direct replacement component for existing systems without requiring aftermarket adapters.

Are the trip settings on the NEF433020 adjustable?

No, this breaker is equipped with a fixed thermal-magnetic trip unit. The long-time and instantaneous trip points cannot be modified in the field.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 6 reviews
Rating
Ratings
6 reviews
  • SC
    Stephen C.
    Verified Buyer
    Reviewing
    Federal Pacific NEF431030 - 30A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/21/26
    Fpe 3 pole 30 amp breaker.

    I ordered the breaker on Thursday and it was at my house for Saturday morning. Breaker is in pristine condition. A real bail out. Thank you.

  • MR
    Michael R.
    Verified Buyer
    Reviewing
    Federal Pacific NEF431040 - 40A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    8/4/25
    Warehouse Air Compressor

    Worked like a charm.

    Thank you.

  • DP
    Diana P.
    Flag of United States
    Reviewing
    Federal Pacific NEF433020 3 Pole Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    3/3/21
    Satisfied

    Service was GREAT!!

  • DJ
    David J.
    Flag of United States
    Reviewing
    Federal Pacific / American NEF431100 - 100A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    1/13/21
    This worked out great.

    This worked out great.

  • MW
    Mark W.
    Flag of United States
    Reviewing
    Federal Pacific NEF421050 - 50A 2 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    11/17/19
    Great service & pricing

    Superbreakers did a great job for us. We called and asked if the breakers were actually in their possession. Withing 30 minutes they called us back (which is rare these days), and we got our breakers the next morning.