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HJA36150U44XAABC

Square D
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Square D HJA36150U44XAABC is a 3-pole PowerPact H molded case circuit breaker designed for overcurrent and ground fault protection in industrial and commercial power distribution systems. It is rated for 150 amps at 600VAC with a solid-state LSIG trip unit providing long-time, short-time, instantaneous, and ground fault protection functions, and features an interrupting capacity of 65kA at 480VAC. Weighing 10.27 lb, this unit utilizes an I-Line style plug-in connection for direct mounting in compatible panelboards and switchboards. The breaker is UL 489 listed and certified to CSA, NEMA, IEC, and CE standards, ensuring compliance with rigorous safety and performance requirements. Typical applications include main or feeder protection in manufacturing facilities, data centers, and commercial building electrical systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Square D
  • Model: HJA36150U44XAABC
  • Current Rating: 150A
  • Voltage Rating: 600VAC
  • Poles: 3
  • Phase: 3
  • Protection Type: Solid State
  • Trip Unit Functions: LSIG (Long-Time, Short-Time, Instantaneous, Ground Fault)
  • Interrupt Rating: 65kA @ 480VAC
  • Connection: I-Line Style Plug-In
  • Weight: 10.27 lb
  • Frame/Series: PowerPact H (HJA)
  • Mounting Type: Plug-On (I-Line)
  • Continuous Rating: 80%
  • Certifications: UL 489, CSA, NEMA, IEC, CE
  • Color: Black
  • Dimensions: Approx. 6.4 in height, 4.09 in width


Square D HJA36150U44XAABC - Molded Case Circuit Breaker 150A 600V 3-Pole