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Westinghouse H89 - Heater Element 1000A 600V

United Fuses
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Westinghouse H89 is a thermal overload heater element designed for motor control applications, providing long-time and instantaneous (LI) protection through its thermal magnetic mechanism. This three-phase, 600V-rated unit supports a continuous current rating of 1000A and delivers an interrupting capacity of 100kA at 480V. The component features a bolt-on connection, weighs 1 lb, and is constructed as a heater element for robust industrial use. It complies with standard industry requirements for motor starter and contactor protection. Typical applications include safeguarding motors in manufacturing, HVAC, and heavy machinery systems.

Key Features & Specifications
  • Item Subcategory: Heater Element
  • Weight: 1 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 100kA@480V
  • Phase: 3
  • Current Rating: 1000A
  • Type: Thermal Overload Heater Element
  • Mounting: Screw type