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Westinghouse HLB3350 - Molded Case Circuit Breaker, 350A 600V 3P

Westinghouse
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Westinghouse HLB3350 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 350A continuous current rating, with a robust thermal-magnetic trip unit providing both long-time and instantaneous (LI) protection functions. The breaker is constructed as a three-pole, bolt-on unit within the compact MARK 75 frame, weighing 20 lb, and is engineered to interrupt faults with an AIC rating of 35kA at 480V AC. It is built to meet applicable industry standards for safety and performance in demanding electrical environments, making it suitable for use in panelboards, switchboards, and industrial control equipment.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 350A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 35kA @ 480V AC
  • Protection Functions: LI (Long-Time and Instantaneous)
  • Frame: MARK 75
  • Connection: Bolt-On
  • Weight: 20 lb


Product Identification
  • Manufacturer Part Number: HLB3350