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Square D HJA36150U31XAABCSK - 150A 3-Pole Molded Case Breaker

Square D
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Square D HJA36150U31XAABCSK is a Powerpact H-Frame molded case circuit breaker designed for reliable overcurrent protection in industrial power distribution systems. This 3-pole, 150A breaker is rated for 600V AC operation and features a solid state LI (Long-Time and Instantaneous) trip unit for precise protection coordination. Weighing 10.27 lb, it utilizes an I-Line style plug-in connection with lug load terminations and offers an interrupting rating of 65kA at 480V AC. The breaker is UL Listed and CE Marked, ensuring compliance with major industry standards. It is typically applied in commercial and industrial switchboards, panelboards, and motor control centers requiring high fault current capacity.

Key Features & Specifications
  • Manufacturer: Square D
  • Model: HJA36150U31XAABCSK
  • Type: Molded Case Circuit Breaker
  • Frame Type: H-Frame
  • Amperage: 150 A
  • Voltage Rating: 600 V AC
  • Number of Poles: 3
  • Phase: 3 (ABC)
  • Protection: Solid State
  • Trip Unit: LI - Long-Time and Instantaneous
  • Interrupt Rating: 100 kA @ 240 V AC, 65 kA @ 480 V AC, 25 kA @ 600 V AC
  • Mounting Type: I-Line plug-in
  • Electrical Connection: I-Line connection line and lugs load
  • Continuous Current Rating: 80%
  • Weight: 10.27 lb
  • Certifications: UL Listed, CE Marked