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Federal Pacific HEF437040 - Molded Case Circuit Breaker 40A 480V 3P

Federal Pacific
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Federal Pacific HEF437040 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial electrical systems. It features a 40A current rating and a 480V AC voltage rating, engineered with a robust thermal-magnetic trip mechanism for both long-time delay and instantaneous short-circuit response. The breaker is constructed as a three-pole, bolt-on unit with a 22kA interrupting capacity at 480V, ensuring compliance with industry standards for safety and performance in demanding applications such as motor control centers, panelboards, and industrial machinery protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, HEF Series, Thermal Magnetic Protection
  • Voltage Rating: 480V AC
  • Current Rating: 40A
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 22kA @ 480V
  • Phase: 3
  • Protection Functions: LI (Long-Time and Instantaneous Trip)
  • Weight: 13 lb


Product Identification
  • Manufacturer Part Number: HEF437040