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Westinghouse FB3480MRL - Molded Case Circuit Breaker, 50A 3P (14kA AIC)

Westinghouse
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Westinghouse FB3480MRL is a molded case circuit breaker designed for providing instantaneous magnetic-only protection against short-circuit faults in three-phase industrial power distribution systems. It features a 50A current rating and a 600V AC voltage rating, with a robust feed-thru connection and a 14kA interrupting capacity at 480V. The three-pole breaker is constructed within the compact FB frame and weighs 11 lb, engineered for durability. It complies with relevant industry standards for safety and performance, making it suitable for integration into panelboards and switchgear where selective coordination and reliable fault isolation are required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, AB DE-ION Family, FB Type
  • Voltage Rating: 600V AC
  • Current Rating: 50A
  • Phase: 3
  • Poles: 3
  • Connection: Feed-Thru
  • Protection: Magnetic Only
  • Functions: I - Instantaneous
  • AIC Rating: 14kA @ 480V
  • Weight: 11 lb