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Square D HJA36150U31XAABCSJYP - Molded Case Breaker 150A 600V 3-Pole

Square D
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Square D HJA36150U31XAABCSJYP is a 150 Amp, 3-pole molded case circuit breaker designed for overcurrent protection in power distribution systems. It operates at a voltage rating of 600V and features a solid state trip unit with LI (Long-Time and Instantaneous) functions for precise protection. This breaker weighs 10.27 lb and utilizes an I-Line style plug-in connection for secure mounting in switchboards or panelboards. It is UL 489 listed and carries an interrupting rating of 65kA at 480V, ensuring reliable fault clearance in industrial environments. Typical applications include protecting feeders and branch circuits in commercial and industrial electrical systems requiring 3-phase operation.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Square D
  • Current Rating: 150 Amp
  • Voltage Rating: 600 VAC
  • Number of Poles: 3
  • Phase: 3-Phase
  • Frame Type: H Frame
  • Mounting Type: Plug-On (I-Line)
  • Interrupt Rating: 65kA at 480 VAC, 100kA at 240 VAC, 25kA at 600 VAC
  • Trip Unit: Solid State
  • Functions: LI - Long-Time and Instantaneous
  • UL Listing: UL 489
  • Weight: 10.27 lb
  • Connection: I-Line Style Plug-In
  • Wire Size Range: 14 to 3/0 AWG
  • Country of Origin: USA


Model: HJA36150U31XAABCSJYP