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Westinghouse KB3150T - Thermal Magnetic Trip Unit 600V 150A 3-Pole

Westinghouse
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Westinghouse KB3150T is a thermal magnetic circuit breaker trip unit designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC and 150A continuous current, providing long-time and instantaneous (LI) protection functions. This three-pole unit weighs 2 lb and is compatible with Westinghouse KB and HKB circuit breaker frames. It meets industry standards for reliable performance in demanding electrical environments. Typical applications include motor control centers, switchboards, and panelboards requiring precise overcurrent protection.

Key Features & Specifications
  • Type: Thermal Magnetic Trip Unit
  • Voltage Rating: 600V AC
  • Current Rating: 150A (150A minimum, 150A maximum)
  • Poles: 3
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • Compatible Frames: KB, HKB
  • Weight: 2 lb
  • Family: AB DE-ION
  • Item Subcategory: Trip Units & Programmers