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Westinghouse HKA3225W - Molded Case 225A 600V 3-Pole

Westinghouse
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Westinghouse HKA3225W is a molded case circuit breaker from the MARK 75 family, designed for overcurrent protection in industrial power distribution systems. This 3-pole unit is rated for 225A at 600V AC with a 35kA interrupting capacity at 480V, utilizing a thermal magnetic trip mechanism that provides long-time and instantaneous (LI) fault response. The breaker features a bolt-on mounting configuration and weighs 19 lb, with load side lug terminals for secure conductor connections. It complies with industry standards for 3-phase AC applications, ensuring reliable performance in demanding electrical environments. Typical applications include motor control centers, panelboards, and switchboards requiring robust circuit isolation and protection.

Key Features & Specifications
  • Type: Molded Case
  • Family: MARK 75
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Current Rating: 225A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 35kA@480V
  • Weight: 19 lb
  • Frame Type: KA
  • Mounting Type: Bolt-On
  • Interrupt Rating: 35kA at 480V
  • Trip Unit: Thermal Magnetic with Long Time and Instantaneous Functions
  • Load Side Lug Terminals