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Square D FAL14040 - Molded Case Circuit Breaker 40A 277V 1-Pole

Square D
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Square D FAL14040 is a molded case circuit breaker designed for providing reliable overcurrent protection in industrial and commercial electrical systems. It features a 40A current rating and a 277V AC voltage rating, housed within a compact F Frame measuring 6.4 in (162.6 mm) H x 1.5 in (38.1 mm) W x 4.13 in (104.90 mm) D with a weight of 1.973 lb. This single-pole, feed-thru connection breaker is CSA and UL listed, incorporating thermal-magnetic protection with long-time and instantaneous (LI) trip functions to safeguard against overloads and short circuits. It is engineered for branch circuit protection in 1-phase applications, supporting wire sizes from AWG 14 to 1/0 for copper and AWG 12 to 1/0 for aluminum conductors, with an interrupting capacity of 18kA at 277V.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, FAL Series
  • Voltage Rating: 277V AC
  • Current Rating: 40A
  • Dimensions: 6.4 in (162.6 mm) H x 1.5 in (38.1 mm) W x 4.13 in (104.90 mm) D
  • Weight: 1.973 lb
  • Standards: CSA-UL LISTED
  • Applications: Industrial and Commercial Branch Circuit Protection
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 1
  • Poles: 1
  • Connection: Feed-Thru
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: F Frame
  • AIC Rating: 18kA @ 277V
  • Wire Size: AWG 14 to 1/0 (Copper), AWG 12 to 1/0 (Aluminum)
  • Certification: CSA-UL LISTED


Product Identification
  • UPC: 785901183716
  • GTIN: 00785901183716