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Square D HDA36150U31XAA - Molded Case 150A 600V 3-Pole

Square D
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Square D HDA36150U31XAA is a 3-pole, 150A molded case circuit breaker designed for overcurrent protection in commercial and industrial power distribution systems. It operates at a maximum voltage rating of 600V and provides solid-state protection with LI (Long-Time and Instantaneous) functions via a Micrologic 3.2 trip unit. The unit features an I-Line style plug-in connection, weighs 10.27 lb, and offers an interrupting capacity of 18kA at 480V. It is UL 489 listed and meets CSA, NEMA, NMX, VDE, BS, CCC, IEC, and CE certifications. Typical applications include use in I-Line busway systems and panelboards requiring reliable branch or feeder circuit protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Series/Frame: PowerPact H-Frame
  • Poles: 3
  • Rated Current: 150A
  • Voltage Rating: 600V
  • Voltage: 600VAC
  • Mounting Type: I-Line Plug-In
  • Connection: I-Line Style Plug-In
  • Interrupt Rating: 14kA @ 600VAC
  • AIC rating: 18kA@480V
  • Trip Unit: Micrologic 3.2, LI (Long-Time and Instantaneous)
  • Functions: LI - Long-Time and Instantaneous
  • Protection Type: Thermal-Magnetic
  • Protection: Solid State
  • Continuous Current Rating: 80%
  • Phase: 3
  • Weight: 10.27 lb
  • Certifications: UL 489 Listed, CSA, NEMA, NMX, VDE, BS, CCC, IEC, CE


Part Number: HDA36150U31XAA