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Federal Pacific HEF437090 - Molded Case Circuit Breaker 90A 480V 3-Pole

Federal Pacific
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Federal Pacific HEF437090 is a 3-pole, 90 amp molded case circuit breaker from the HEF Series, designed for overcurrent protection in commercial and industrial power distribution systems. It operates at 480V with a 22kA interrupting capacity at that voltage, utilizing thermal magnetic protection with LI (Long-Time and Instantaneous) trip functions for precise fault response. The unit features a bolt-on mounting style, weighs 13 lb, and is built for integration into standard Federal Pacific switchgear and panelboards. It complies with industry standards for molded case circuit breakers in 3-phase applications. This breaker is suited for protecting branch circuits and feeders in manufacturing facilities, commercial buildings, and heavy equipment installations.

Key Features & Specifications
  • Manufacturer: Federal Pacific
  • Part Number: HEF437090
  • Item Subcategory: Molded Case
  • Family: HEF Series
  • Type: HEF
  • Weight: 13 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 480V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 22kA@480V
  • Phase: 3
  • Current Rating: 90A
  • Amperage: 90A
  • Mounting Type: Bolt-On
  • Interrupt Rating: 22kAIC@480V
  • Series/Frame: HEF
  • Protection Type: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip