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Westinghouse LB3150T - Thermal Magnetic Trip Unit 600V 150A

Westinghouse
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The Westinghouse LB3150T is a thermal magnetic circuit breaker trip unit designed for overcurrent protection in industrial power distribution systems. It provides LI (Long-Time and Instantaneous) protection functions with a voltage rating of 600V and an adjustable amperage range from 150 to 150A. This 3-pole unit weighs 2 lb and is compatible with LB and HLB frame circuit breakers, featuring a robust construction for reliable operation. It is engineered to meet industry standards for electrical safety and performance in demanding environments. Typical applications include protecting motors, transformers, and feeder circuits in manufacturing plants and commercial facilities.

Key Features & Specifications
  • Type: Thermal Magnetic Trip Unit
  • Voltage Rating: 600V
  • Poles: 3
  • Amperage Minimum: 150
  • Amperage Maximum: 150
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • Compatible Frames: LB, HLB
  • Weight: 2 lb
  • Family: AB DE-ION
  • Item Subcategory: Trip Units & Programmers