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Square D HJA36125UK - 125A 3-Pole Molded Case Breaker 600V

Square D
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Square D HJA36125UK is a three-pole molded case circuit breaker from the Powerpact family, designed to provide thermal-magnetic protection for industrial electrical systems. It is rated for 600V AC, 125A continuous current, and delivers an interrupting capacity of 65kA at 480V, with LI (Long-Time and Instantaneous) trip functions for overcurrent and short-circuit protection. The unit features an I-Line style plug-in connection, weighs 5 lb, and is constructed for robust, reliable operation in demanding environments. This breaker complies with applicable industry standards for molded case circuit breakers and is suited for use in distribution panels, motor control centers, and other industrial power distribution applications.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Powerpact HJA, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Poles: 3
  • Phase: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic, LI (Long-Time and Instantaneous)
  • AIC Rating: 65kA@480V
  • Weight: 5 lb
  • Functions: LI - Long-Time and Instantaneous
  • Family: Powerpact
  • Item Subcategory: Molded Case