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Westinghouse HKA3070W - 3-Pole Molded Case 70A 600V

Westinghouse
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Westinghouse HKA3070W Circuit Breaker - 3-Pole Molded Case 70A 600V The Westinghouse HKA3070W is a 3-pole molded case circuit breaker from the MARK 75 family, designed for overcurrent protection in industrial and commercial electrical systems. This unit is rated for 70 amps at 600 volts AC, with an interrupting capacity of 35kA at 480V AC, and utilizes a thermal magnetic trip mechanism providing LI (Long-Time and Instantaneous) protection functions. The breaker features a bolt-on connection type, weighs 19 lb, and is constructed for robust performance in three-phase applications. It complies with industry standards for molded case circuit breakers, ensuring reliable operation in demanding environments. Typical applications include distribution panels, motor control centers, and feeder circuits in industrial facilities.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Part Number: HKA3070W
  • Item Subcategory: Molded Case
  • Family: MARK 75
  • Type: HKA
  • Weight: 19 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V AC
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 35kA @ 480V AC
  • Phase: 3
  • Current Rating: 70 Amps
  • Mounting Type: Molded Case
  • Frame/Series: HKA