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Square D HLA36150U31X - Molded Case Circuit Breaker 150A 600V 3P

Square D
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The Square D HLA36150U31X is a Powerpact H-frame molded case circuit breaker designed to provide reliable overcurrent and short-circuit protection for three-phase industrial power distribution systems. It features a solid-state trip unit with Long-Time and Instantaneous (LI) protection functions, rated for 150A at 600V AC with an interrupting capacity of 100kA at 480V. The unit is constructed with an I-Line style plug-in connection and lug terminals, compatible with copper or aluminum conductors from 14 AWG to 3/0 AWG, and is housed in a compact enclosure measuring 163 mm H x 104 mm W x 86 mm D (6.4 in x 4.09 in x 3.4 in). This breaker complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards and is designed for operation in ambient temperatures from -2°C to 70°C (28°F to 158°F). Its robust design makes it suitable for use in industrial panelboards, switchboards, and other demanding electrical distribution applications.

Key Features & Specifications
  • Type: HLA Series, H-Frame, Molded Case Circuit Breaker with Solid-State Trip Unit
  • Voltage Rating: 600V AC
  • Current Rating: 150A
  • Dimensions: 163 mm H x 104 mm W x 86 mm D (6.4 in x 4.09 in x 3.4 in)
  • Weight: 6.28 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial Power Distribution, Panelboards, Switchboards
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Temp Rating: -2°C to 70°C (28°F to 158°F)
  • Phase: 3
  • AIC Rating: 100kA @ 480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Solid State Trip (LI - Long-Time & Instantaneous)
  • Functions: Overcurrent & Short-Circuit Protection
  • Frame Size: H
  • Terminal Connection: I-Line, Lug
  • Wire Size: 14 AWG to 3/0 AWG (Copper or Aluminum)
  • Certification: UL, CSA, NOM
  • Phase Connection: ABC
  • MCM Size: Min. 14 AWG, Max. 3/0 AWG (Cu/Al)
  • Country of Origin: United States
  • Family: Powerpact


Product Identification
  • UPC: 078590194766
  • GTIN: 00785901947660