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Westinghouse HLB3400T - 400A Thermal Magnetic Circuit Breaker

Westinghouse
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Westinghouse HLB3400T is a three-pole thermal magnetic circuit breaker designed for providing reliable overcurrent protection in industrial power distribution systems. It operates at a 600V voltage rating with a fixed 400A current rating, delivering both long-time delay and instantaneous short-circuit protection through its LI trip functions. This 2 lb unit is engineered for compatibility with LB series frames and is constructed to meet rigorous industrial standards for durability and performance in demanding environments.

Key Features & Specifications
  • Type: Thermal Magnetic Circuit Breaker, Trip Unit & Programmer
  • Voltage Rating: 600V
  • Current Rating: 400A
  • Poles: 3
  • Protection: Thermal Magnetic
  • Trip Functions: LI (Long-Time and Instantaneous)
  • Compatible Frames: LB Series
  • Family: MARK 75
  • Model Type: HLB
  • Weight: 2 lb
  • Amperage: 400A