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Square D HJA36125SR - 125A 3-Pole Molded Case Breaker (600V, 65kA@480V)

Square D
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Square D HJA36125SR is a 3-pole molded case circuit breaker from the Powerpact family, designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC, 125A continuous current, and provides LI (Long-Time and Instantaneous) protection functions through a thermal magnetic trip mechanism. This I-Line style plug-in unit weighs 5 lb and includes a 125Vdc shunt trip for remote switching, with an interrupting capacity of 65kA at 480V AC in a 3-phase configuration. The breaker complies with UL and NEMA standards for industrial environments. Typical applications include motor control centers, switchboards, and panelboards requiring reliable branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Powerpact HJA, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Poles: 3
  • Connection: I-Line Style Plug-In
  • Protection: LI - Long-Time and Instantaneous
  • AIC Rating: 65kA@480V
  • Phase: 3
  • Additional Info: Complete with 125Vdc shunt trip
  • Weight: 5 lb