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Square D HDA36150U31XAABCSJ - 150A 3-Pole Molded Case Breaker

Square D
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Square D HDA36150U31XAABCSJ is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC with a continuous current capacity of 150A and an interrupting capacity of 18kA at 480V AC. This unit features an I-Line style plug-in connection, solid-state trip technology with LI (Long-Time and Instantaneous) protection functions, and weighs 10.27 lb. It complies with applicable industry standards for molded case circuit breakers. Typical applications include protecting feeders, motors, and branch circuits in commercial and industrial electrical panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Trip
  • Voltage Rating: 600V AC
  • Current Rating: 150A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 18kA@480V
  • Connection: I-Line Style Plug-In
  • Protection: LI - Long-Time and Instantaneous
  • Functions: Overcurrent Protection
  • Weight: 10.27 lb
  • Standards: Industry Standard Compliance
  • Applications: Industrial Power Distribution, Feeder Protection
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: I-Line
  • Frequency Rating: 60 Hz
  • Phase Connection: 3-Phase
  • Installation Type: Panelboard
  • Breaker Frame: HDA