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Westinghouse HKA3150 - 150A 3-Pole Molded Case Breaker

Westinghouse
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The Westinghouse HKA3150 is a three-pole molded case circuit breaker from the MARK 75 family, designed for overcurrent protection in industrial power distribution systems. It is rated for 150A continuous current at 600VAC, with an interrupting capacity of 35kA at 480V, and utilizes a thermal-magnetic trip mechanism providing long-time and instantaneous (LI) protection functions. This bolt-on breaker weighs 19 lb and is constructed for robust panel mounting, featuring a compact frame suitable for high-density installations. It is UL certified, ensuring compliance with North American safety and performance standards for commercial and industrial electrical systems. Typical applications include motor control centers, switchboards, and distribution panels requiring reliable branch circuit protection in three-phase environments.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, LI (Long-Time and Instantaneous) Trip
  • Voltage Rating: 600V AC
  • Current Rating: 150A
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 35kA@480V
  • Phase: 3
  • Certification: UL
  • Weight: 19 lb
  • Family: MARK 75
  • Functions: LI - Long-Time and Instantaneous


Product Identification
  • UPC: Not specified
  • GTIN: Not specified