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Square D HJA36125UA - 3-Pole 125A Molded Case Breaker

Square D
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Square D HJA36125UA is a 3-pole molded case circuit breaker from the Powerpact family, designed to provide LI (Long-Time and Instantaneous) thermal-magnetic protection for electrical circuits. It has a voltage rating of 600V and a current rating of 125A, with an AIC rating of 65kA at 480V for 3-phase systems. This unit weighs 5 lb and features an I-Line style plug-in connection for secure mounting in compatible panelboards. It complies with industry standards for overcurrent protection in industrial environments. Typical applications include protecting feeders and branch circuits in manufacturing facilities, commercial buildings, and heavy machinery.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Powerpact HJA series, thermal-magnetic trip
  • Voltage Rating: 600V
  • Current Rating: 125A
  • Poles: 3
  • Phase: 3
  • Connection: I-Line Style Plug-In
  • Protection: LI - Long-Time and Instantaneous
  • AIC rating: 65kA@480V
  • Weight: 5 lb
  • Functions: LI - Long-Time and Instantaneous