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Westinghouse HMA3250 - Molded Case 250A 3-Pole 600V

Westinghouse
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Westinghouse HMA3250 is a 3-pole molded case circuit breaker from the MARK 75 family, designed to provide overcurrent protection through thermal magnetic operation. It is rated for 600V AC, 250A continuous current, and an interrupting capacity of 35kA at 480V, with LI (Long-Time and Instantaneous) trip functions for coordinated fault response. The unit weighs 54 lb, features a bolt-on connection, and is built for 3-phase industrial power distribution systems. It complies with applicable industry standards for molded case circuit breakers in commercial and industrial environments. Typical applications include main or feeder protection in switchboards, panelboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 35kA@480V
  • Weight: 54 lb
  • Family: MARK 75
  • Item Subcategory: Molded Case


Product Identification
  • UPC: Not available
  • GTIN: Not available