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Westinghouse HKA22250TM - Magnetic Trip Unit 225A 600V 2-Pole

Westinghouse
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Westinghouse HKA22250TM is a MARK 75 series trip unit designed for instantaneous magnetic-only protection in low voltage distribution systems. This 2-pole unit is rated for 225 amperes minimum and maximum at 600 volts AC, providing dedicated short circuit protection without thermal elements. The HKA type unit weighs 2 lb and is compatible with KA and HKA frame sizes, featuring a compact construction for integration into standard electrical enclosures. It is engineered to meet industry standards for overcurrent protection in industrial environments. Typical applications include motor control centers, switchboards, and panelboards requiring selective coordination and high fault current interruption.

Key Features & Specifications
  • Manufacturer: Westinghouse
  • Item Subcategory: Trip Units & Programmers
  • Family: MARK 75
  • Type: HKA
  • Weight: 2 lb
  • Functions: I - Instantaneous
  • Voltage Rating: 600V
  • Poles: 2
  • Amperage Minimum: 225
  • Protection: Magnetic Only
  • Compatible Frames: KA, HKA
  • Amperage Maximum: 225
  • Part Number: HKA22250TM
  • Amperage Rating: 225A
  • Voltage Rating: 600V AC
  • Protection Type: Thermal Magnetic
  • Frame Size: 700A