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Westinghouse HLB3100T - Thermal Magnetic Trip Unit 100A 600V 3-Pole

Westinghouse
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Westinghouse HLB3100T is a three-pole thermal magnetic circuit breaker trip unit designed for providing reliable overcurrent protection in industrial power distribution systems. It operates at a 600V AC voltage rating and features a fixed 100A current rating with LI (Long-time and Instantaneous) trip functions for coordinated protection against both sustained overloads and short-circuit faults. This unit is constructed as part of the MARK 75 family and is engineered for compatibility with LB and HLB breaker frames, featuring a compact design with a weight of 2 lb. It is built to meet relevant industry standards for safety and performance in electrical protection. Typical applications include integration into panelboards, switchboards, and motor control centers within commercial and industrial facilities.

Key Features & Specifications
  • Type: Thermal Magnetic Trip Unit, HLB Type, MARK 75 Family
  • Voltage Rating: 600V AC
  • Current Rating: 100A
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Compatible Frames: LB, HLB
  • Weight: 2 lb