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Square D HJA36150U31XAABC - Molded Case Breaker 150A 600V 3-Pole

Square D
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Square D HJA36150U31XAABC is a 3-pole molded case circuit breaker designed for primary overcurrent protection in industrial power distribution systems. It is rated for 150 amps at 600V AC with a solid state LI (Long-Time and Instantaneous) trip unit providing precise protection coordination. The breaker weighs 10.27 lb and features an H frame construction with I-Line style plug-in connection for secure panel mounting. It complies with UL 489, CSA, NEMA, IEC, and CE standards for global industrial safety requirements. This circuit breaker is typically applied in manufacturing facilities, commercial buildings, and heavy equipment requiring reliable branch circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Square D
  • Current Rating: 150A
  • Voltage Rating: 600V AC
  • Poles: 3
  • Phase: 3
  • Frame Type: H Frame
  • Interrupt Rating: 65kA @ 480V, 25kA @ 600V
  • Mounting Type: Unit Mount / I-Line Plug-In
  • Connection: I-Line Style Plug-In
  • Trip Unit: Solid State, LI - Long-Time and Instantaneous
  • Continuous Current Rating: 80%
  • Weight: 10.27 lb
  • Certifications: UL 489, CSA, NEMA, IEC, CE


Model: HJA36150U31XAABC