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Square D HJA36150U44XAABCSD - 150A 3-Pole Molded Case Breaker

Square D
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Square D HJA36150U44XAABCSD is a 3-pole molded case circuit breaker designed for primary overcurrent and ground fault protection in industrial power distribution systems. It is rated for 150A continuous current at 600V AC, with a high interrupting capacity of 65kA at 480V AC, and utilizes solid-state trip technology for precise LSIG (Long-Time, Short-Time, Instantaneous and Ground Fault) protection. The unit features an I-Line style plug-in connection for secure mounting in compatible panelboards, weighs 10.27 lb, and is constructed for 3-phase operation. This breaker complies with UL and NEMA standards for industrial environments, making it suitable for motor control centers, switchboards, and main distribution panels requiring adjustable protection curves and ground fault detection.

Key Features & Specifications
  • Type: Molded case circuit breaker, solid-state trip unit, I-Line plug-in connection
  • Voltage Rating: 600V AC
  • Current Rating: 150A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 65kA at 480V AC
  • Protection: LSIG (Long-Time, Short-Time, Instantaneous and Ground Fault)
  • Connection: I-Line Style Plug-In
  • Weight: 10.27 lb
  • Standards: UL, NEMA
  • Applications: Industrial power distribution, motor control centers, switchboards, main distribution panels
  • Functions: Long-Time, Short-Time, Instantaneous and Ground Fault
  • Frame Size: HJA
  • Trip Type: Solid State
  • Breaker Type: HJA36150U44XAABCSD
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: I-Line
  • Frequency Rating: 50/60 Hz
  • Installation Type: Panelboard


Product Identification
  • UPC: Not available
  • GTIN: Not available