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Westinghouse KD4150W - Molded Case Circuit Breaker 150A 4P 600V

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Westinghouse KD4150W is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 150A continuous current rating and a 600V AC voltage rating, housed within a robust K-frame construction with a bolt-on connection for secure panel mounting. This thermal magnetic breaker complies with industry standards for safety and performance, offering an interrupting capacity of 35kA at 480V AC. Its four-pole configuration and long-time with instantaneous (LI) trip functions make it suitable for protecting feeders and mains in commercial and industrial facilities.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Series C Family, KD Type
  • Voltage Rating: 600V AC
  • Current Rating: 150A
  • Frame Size: K Frame
  • Poles: 4
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC Rating: 35kA @ 480V AC
  • Phase: 3
  • Functions: LI (Long-Time and Instantaneous)
  • Weight: 15 lb