Connecticut Electric UBIF-40NB 40A 1-Pole FPE Replacement Circuit Breaker – Bolt-On – 120/240V

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SKU: UBIF-40NB GTIN/UPC: 094925004793
Regular price $10.31

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The Connecticut Electric UBIF-40NB 40 Amp single-pole circuit breaker is a reliable replacement designed for Federal Pacific Electric (FPE) commercial panel applications. Built as a thick NB-type breaker, it provides dependable overload and short-circuit protection with a 10 kA interrupt rating. This bolt-on unit is ETL listed and engineered for compatibility with NBLP and other FPE commercial panels. Installation requires an M2.5 hex tool for secure bus bar connections, making it a practical solution for maintenance professionals and electricians servicing legacy FPE systems.

Voltage and Rating

  • Current Rating: 40 Amps
  • Voltage Rating: 120/240 Volts AC
  • Interrupting Capacity: 10 kAIC

Key Specifications

  • Breaker Type: FPE NB Type Replacement Breaker (Thick)
  • Number of Poles: 1-Pole
  • Mounting Type: Bolt-On
  • Compatibility: NBLP and other Federal Pacific Electric commercial panels
  • Special Features: Requires M2.5 hex tool for bus bar bolts

Technical Specifications

  • Protection Type: Overload and short-circuit protection
  • Construction: Thick NB type molded case
  • Certifications: ETL Listed

Product Data

  • Manufacturer: Connecticut Electric
  • Brand: Connecticut Electric
  • Model Number: UBIF-40NB
  • UPC: 094925004793
  • Dimensions: 3.5 in x 3 in x 1 in
  • Weight: 0.3 lb


  • Type Circuit Breakers
  • Vendor Connecticut Electric
  • Brand Connecticut Electric

Returns are easy

You may return items within 10 days of delivery for a refund.

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

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In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.

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