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Westinghouse HKB2090T - Thermal Magnetic Trip Unit 90A

Westinghouse
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The Westinghouse HKB2090T is a thermal-magnetic circuit breaker trip unit designed for overcurrent protection within industrial power distribution systems. This unit provides LI (Long-Time and Instantaneous) protection functions and is rated for a maximum voltage of 600V, with an adjustable amperage range from 90A minimum to 90A maximum. The HKB2090T weighs 2 lb and is compatible with Westinghouse KB and HKB breaker frames, featuring a 2-pole configuration. It is designed to meet industry standards for reliable circuit protection in demanding environments. Typical applications include protecting feeders and branch circuits in industrial switchboards, panelboards, and motor control centers.

Key Features & Specifications
  • Type: Thermal Magnetic Trip Unit
  • Voltage Rating: 600V
  • Current Rating: 90A
  • Poles: 2
  • Protection: LI - Long-Time and Instantaneous
  • Compatible Frames: KB, HKB
  • Weight: 2 lb
  • Family: MARK 75
  • Functions: Long-Time and Instantaneous
  • Amperage Minimum: 90
  • Amperage Maximum: 90