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Square D HJA36150U44XAABCSK - 3-Pole 150A Molded Case Breaker (600V, LSIG)

Square D
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Square D HJA36150U44XAABCSK is a 3-pole molded case circuit breaker designed for primary overcurrent and ground fault protection in electrical distribution systems. It is rated for 150A continuous current at 600V AC, with a solid-state MicroLogic 6.2A electronic trip unit providing LSIG (Long-Time, Short-Time, Instantaneous, and Ground Fault) protection. The unit weighs 10.27 lb and features an I-Line style plug-in mounting with ABC phase connection and lugs for load-side termination. It complies with UL, CSA, IEC, CE, and CCC standards, and is suitable for reverse connection in commercial and industrial power systems.

Key Features & Specifications
  • Manufacturer: Square D
  • Series/Frame: PowerPact H
  • Type: Molded Case Circuit Breaker
  • Poles: 3
  • Current Rating: 150A
  • Voltage Rating: 600V AC
  • Phase: 3
  • Connection: I-Line Style Plug-In
  • Protection Type: Solid State Electronic
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • AIC Rating: 65kA @ 480V AC
  • Interrupt Rating: 100kA @ 240V AC, 65kA @ 480V AC, 25kA @ 600V AC
  • Continuous Current Rating: 80%
  • Terminal Connection: Lugs Load
  • Weight: 10.27 lb
  • Approvals: UL, CSA, IEC, CE, CCC


Part Number: HJA36150U44XAABCSK