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Westinghouse HMA2450 - Molded Case 450A 600V 2-Pole Breaker

Westinghouse
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The Westinghouse HMA2450 is a 2-pole molded case circuit breaker from the MARK 75 family, designed to provide LI (Long-Time and Instantaneous) protection for electrical systems. This thermal-magnetic breaker is rated for 450A at 600VAC, with a 35kA interrupting capacity at 480V, and features a bolt-on connection for secure installation in single-phase applications. The unit weighs 47 lb and is constructed with a robust molded case housing for durability in industrial environments. It complies with applicable industry standards for overcurrent protection in commercial and industrial power distribution systems. Typical applications include protecting feeders, branch circuits, and equipment in manufacturing facilities, data centers, and heavy machinery installations.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, LI (Long-Time and Instantaneous) Protection
  • Voltage Rating: 600V
  • Current Rating: 450A
  • Poles: 2
  • Connection: Bolt-On
  • Phase: 1
  • AIC Rating: 35kA@480V
  • Functions: LI - Long-Time and Instantaneous
  • Family: MARK 75
  • Weight: 47 lb


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