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Square D HJA36150U31XAA - Molded Case Breaker 150A 600V 3-Pole

Square D
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Square D HJA36150U31XAA is a 3-pole PowerPacT H molded case circuit breaker designed for LI (Long-Time and Instantaneous) solid-state protection of electrical systems. It is rated for 150A continuous current at 600VAC with a 65kA interrupting capacity at 480VAC, utilizing an I-Line style plug-in connection. Weighing 10.27 lb, this three-phase breaker features a compact molded case construction with a thermal-magnetic trip unit and a continuous current rating of 80%. It is UL 489 listed and carries CSA, NEMA, IEC, and CE Mark certifications for global compliance. This breaker is suited for industrial power distribution and motor control applications requiring reliable overcurrent protection in panelboards and switchboards.

Key Features & Specifications
  • Manufacturer: Square D
  • Model: HJA36150U31XAA
  • Type: Molded Case Circuit Breaker
  • Series/Frame: PowerPacT H
  • Amperage: 150A
  • Voltage Rating: 600VAC / 690VAC
  • Poles: 3
  • Phase: 3
  • Interrupt Rating: 65kA at 480VAC
  • Mounting Type: I-Line
  • Connection: I-Line Style Plug-In
  • Trip Unit: Thermal-Magnetic
  • Protection: Solid State
  • Functions: LI - Long-Time and Instantaneous
  • Continuous Current Rating: 80%
  • Weight: 10.27 lb
  • Certifications: UL 489, CSA, NEMA, IEC, CE Marked
  • Field Installable Accessories Available


HJA36150U31XAA