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Square D HRA36150U31X - Molded Case Circuit Breaker 150A 600V 3P

Square D
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Square D HRA36150U31X is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase industrial power distribution systems. It features a 150A current rating and a 600V AC voltage rating, housed within a compact H-frame measuring 163 mm H x 104 mm W x 86 mm D and weighing 5.78 lb. This solid-state protection device utilizes Long-Time and Instantaneous (LI) trip functions and offers a high interrupting capacity of 200kA at 480V AC. It is engineered for compliance with UL, CSA, NEMA, NOM, and IEC 60947-2 standards, ensuring suitability for demanding applications such as panelboards, switchboards, and industrial control panels. The breaker employs an I-Line style plug-in connection with lug terminals, accommodating wire sizes from 14 AWG to 3/0 AWG for both copper and aluminum conductors, and operates within an ambient temperature range of -2 to 70 °C.

Key Features & Specifications
  • Type: HRA Molded Case Circuit Breaker with Solid State Protection
  • 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: 5.78 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial Power Distribution, Panelboards, Switchboards
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Phase: 3
  • AIC Rating: 200kA @ 480V AC
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Solid State
  • Functions: LI (Long-Time and Instantaneous)
  • Frame Size: H
  • Terminal Connection: I-Line, Lug
  • Wire Size: 14 AWG to 3/0 AWG (Cu/Al)
  • 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: 785901672050
  • GTIN: 00785901672050