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Westinghouse HLB2250T - Thermal Magnetic Trip Unit 250A 600V

Westinghouse
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The Westinghouse HLB2250T is a thermal magnetic circuit breaker trip unit designed for overcurrent protection in industrial power distribution systems. This unit provides LI (Long-Time and Instantaneous) protection functions, operating at a voltage rating of 600V with a continuous current rating of 250A. The device features a 2-pole configuration within a 250A frame size, weighing 2 lb, and is compatible with LB and HLB frame families. It is constructed as part of the MARK 75 product family, ensuring reliable performance in demanding 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
  • Current Rating: 250A (Minimum 250A, Maximum 250A)
  • Poles: 2
  • Protection: LI - Long-Time and Instantaneous
  • Frame Size: 250
  • Compatible Frames: LB, HLB
  • Family: MARK 75
  • Weight: 2 lb
  • Item Subcategory: Trip Units & Programmers


Product Identification
  • Manufacturer: Westinghouse
  • Model: HLB2250T