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Westinghouse FB31550ML - Molded Case 100A 600V 3-Pole

Westinghouse
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The Westinghouse FB31550ML is a molded case circuit breaker from the AB DE-ION family, designed for instantaneous magnetic-only protection in industrial power distribution systems. It is rated for 600V AC, 100A, and 3-phase operation, with an AIC rating of 14kA at 480V. This 3-pole unit features a feed-thru connection and weighs 11 lb, constructed with robust materials for reliable performance. It complies with industry standards for overcurrent protection in demanding environments. Typical applications include motor control centers, switchboards, and other industrial equipment requiring precise magnetic trip characteristics.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, AB DE-ION Family, FB Type
  • Voltage Rating: 600V AC
  • Current Rating: 100A
  • Poles: 3
  • Phase: 3
  • Connection: Feed-Thru
  • Protection: Magnetic Only (I - Instantaneous)
  • AIC Rating: 14kA@480V
  • Weight: 11 lb
  • Functions: I - Instantaneous


Product Identification
  • Manufacturer: Westinghouse
  • Model: FB31550ML