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Westinghouse HKA2090W - Molded Case 90A 2-Pole 600V

Westinghouse
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Westinghouse HKA2090W Circuit Breaker - Molded Case 90A 2-Pole 600V (Thermal Magnetic) The Westinghouse HKA2090W is a 90-amp, 2-pole molded case circuit breaker from the MARK 75 family, designed for reliable overload and short-circuit protection in industrial and commercial electrical systems. This thermal magnetic breaker features a 600V maximum voltage rating with a 35kA interrupting capacity at 480V, and utilizes LI (Long-Time and Instantaneous) trip functions for precise fault response. Weighing 17 lb, the unit employs a bolt-on connection method and is constructed for durability in panelboard and switchgear installations. It meets UL489 certification standards, ensuring compliance with industry safety requirements for robust circuit protection. This single-phase breaker is well-suited for demanding environments requiring consistent performance and high fault current handling.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Item Subcategory: Molded Case
  • Family: MARK 75
  • Type: HKA
  • Weight: 17 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 2
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 35kA@480V
  • Phase: 1
  • Current Rating: 90A
  • 90 Ampere continuous current rating
  • KA series frame
  • UL489 certified