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Westinghouse HKA3090W - Molded Case 90A 3-Pole Breaker

Westinghouse
Price
Save $-2,430.80
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Westinghouse HKA3090W is a 3-pole thermal magnetic molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 90 amps at 600V AC with a 35kA interrupting capacity at 480V, utilizing long-time and instantaneous trip functions for precise fault response. The unit features a bolt-on mounting style, a KA frame, and load side lug terminals, weighing 19 lb. It is part of the MARK 75 family and complies with industry standards for three-phase applications. This breaker is suited for protecting branch circuits and main feeders in commercial and industrial electrical panels.

Key Features & Specifications
  • Type: Molded Case
  • Manufacturer: Westinghouse
  • Family: MARK 75
  • Type: HKA
  • Weight: 19 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 35kA@480V
  • Phase: 3
  • Current Rating: 90A
  • Frame Type: KA
  • Interrupt Rating: 22kA at 480V
  • Trip Unit: Thermal Magnetic, Long Time and Instantaneous
  • Terminals: Load Side Lug