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Westinghouse HLB2300TA - Thermal Magnetic Trip Unit 300A (600V, 2-Pole)

Westinghouse
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Westinghouse HLB2300TA is a thermal magnetic circuit breaker trip unit designed for providing reliable overcurrent protection in industrial power distribution systems. It features a 600V AC voltage rating and a fixed 300A current rating, housed within a compact 300-frame size unit weighing 2 lb. This device complies with industry standards for circuit protection and is engineered for integration into compatible LB and HLB frame circuit breakers. Its primary application is in commercial and industrial electrical panels where precise long-time and instantaneous (LI) protection functions are required for equipment safety.

Key Features & Specifications
  • Type: Thermal Magnetic Trip Unit, HLB Type
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Functions: LI (Long-Time and Instantaneous)
  • Protection: Thermal Magnetic
  • Frame Size: 300
  • Poles: 2
  • Compatible Frames: LB, HLB
  • Family: MARK 75
  • Weight: 2 lb