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Square D HDA36150U44XAABCSD - Molded Case Circuit Breaker 150A 3-Pole

Square D
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Square D HDA36150U44XAABCSD is a PowerPact H molded case circuit breaker designed for primary overcurrent and ground fault protection in industrial power distribution systems. This 3-pole, 150A unit operates at 600VAC with a solid state Micrologic 6.2A trip unit providing LSIG (Long-Time, Short-Time, Instantaneous and Ground Fault) protection, and delivers an interrupting rating of 18kA at 480VAC. The breaker features an I-Line style plug-in connection with a toggle actuator and lug terminals, weighing 10.27 lb for robust installation in panelboards and switchgear. It is UL 489 Listed and certified to CSA, NEMA, IEC, and CE standards for safety and reliability. Typical applications include main and feeder protection in commercial and industrial power systems requiring selective coordination and ground fault detection.

Key Features & Specifications
  • Manufacturer: Square D
  • Series/Frame: PowerPact H
  • Item Subcategory: Molded Case
  • Current Rating: 150A
  • Number of Poles: 3
  • Voltage Rating: 600VAC
  • Interrupt Rating: 18kA@480V
  • Protection Type: LSIG (Long-Time, Short-Time, Instantaneous and Ground Fault)
  • Trip Unit: Micrologic 6.2A
  • Connection: I-Line Style Plug-In
  • Actuator Type: Toggle
  • Terminal Type: Lugs
  • Weight: 10.27 lb
  • Phase: 3
  • Certifications: UL 489, CSA, NEMA, IEC, CE


Part Number: HDA36150U44XAABCSD