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Westinghouse HLB3300 - Molded Case Circuit Breaker 300A 600V 3P

Westinghouse
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Westinghouse HLB3300 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 600V AC voltage rating and a 300A continuous current rating, housed within a robust 20 lb frame that utilizes a bolt-on connection for secure installation. This thermal magnetic breaker complies with industry standards for circuit protection, offering both long-time and instantaneous (LI) trip functions. It is engineered for typical applications in commercial and industrial panels where a 35kA interrupting capacity at 480V is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 35kA @ 480V
  • Functions: LI (Long-Time and Instantaneous)
  • Family: MARK 75
  • Breaker Type: HLB
  • Weight: 20 lb
  • Protection: Thermal Magnetic
  • Connection: Bolt-On