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Square D HRL36150U31X - Molded Case Circuit Breaker 150A 600V 3P

Square D
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Square D HRL36150U31X is a three-pole molded case circuit breaker designed for providing reliable overcurrent protection in 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 x 104 mm x 86 mm (HxWxD) and weighing 4.376 lb. This solid-state protection device utilizes Long-Time and Instantaneous (LI) trip functions and is engineered for feed-thru connection with lug terminals, accepting wire sizes from 14 AWG to 3/0 AWG for both copper and aluminum conductors. It complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards and is rated for operation in ambient temperatures from -2°C to 70°C, making it suitable for a wide range of commercial and industrial panelboard and switchboard applications where a 200kA interrupting capacity at 480V is required.

Key Features & Specifications
  • Type: HRL Series, Molded Case, Solid State Protection, Feed-Thru Connection
  • Voltage Rating: 600V AC
  • Current Rating: 150A
  • Dimensions: 6.4 in (163 mm) H x 4.09 in (104 mm) W x 3.4 in (86 mm) D
  • Weight: 4.376 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial Power Distribution, Panelboards, Switchboards
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Phase: 3
  • Amperage: 150A
  • AIC Rating: 200kA @ 480V
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Solid State
  • Functions: LI (Long-Time and Instantaneous)
  • Frame Size: H
  • Trip Type: Thermal-Magnetic
  • Terminal Connection: Lug
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Compatible Frames: Powerpact H-Frame
  • Installation Type: Fixed Mount
  • Breaker Frame: H
  • Wire Size: 14 AWG to 3/0 AWG (Cu/Al)
  • Certification: UL, CSA, NOM
  • Circuit Breaker Mounting Style: Fixed
  • MCM Size: Min. 14 AWG, Max. 3/0 AWG


Product Identification
  • UPC: 078590194874
  • GTIN: 00785901948742