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Westinghouse HKA3125 - Molded Case 125A 600V 3-Pole Breaker

Westinghouse
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The Westinghouse HKA3125 is a 3-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 125A at 600V AC, with an AIC rating of 35kA at 480V, and features a bolt-on connection for secure installation. Weighing 19 lb, it is constructed for robust industrial use and is UL certified for reliability. It is typically applied in three-phase power distribution systems requiring overcurrent protection.

Key Features & Specifications
  • Type: Molded Case
  • Voltage Rating: 600V
  • Current Rating: 125A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC rating: 35kA@480V
  • Certification: UL
  • Weight: 19 lb
  • Family: MARK 75


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