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Square D HLF36150 - Molded Case Circuit Breaker 150A 600V 3P 100kA

Square D
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Square D HLF36150 is a molded case circuit breaker from the PowerPact H-Frame family designed to provide reliable overcurrent protection for three-phase industrial power distribution systems. It features a 150A current rating and a 600V AC voltage rating, with a robust thermal-magnetic trip unit providing long-time and instantaneous (LI) protection functions. The breaker's compact physical design measures 162.56 mm H x 136.65 mm D x 143.26 mm W, utilizes a three-pole bolt-on connection for secure installation, and accepts wire sizes from AWG 14 to 3/0 for both aluminum and copper conductors. It is certified to UL, IEC, and CSA standards and offers an interrupting capacity of 100kA at 480V AC, making it suitable for demanding applications such as panelboards, switchboards, and industrial control panels where high fault current withstand is required. The unit operates effectively within an ambient temperature range of -2 to 70 °C.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Long-Time & Instantaneous (LI) Trip Functions
  • Voltage Rating: 600V AC
  • Current Rating: 150A
  • Dimensions: 162.56 mm H x 136.65 mm D x 143.26 mm W (6.4 in x 5.38 in x 5.64 in)
  • Weight: 5 lb
  • Standards: UL Listed, IEC, CSA
  • Applications: Industrial Power Distribution, Panelboards, Switchboards, Motor Control Centers
  • Phase: 3
  • AIC Rating: 100kA at 480V AC
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: H Frame
  • Wire Size: AWG 14 to AWG 3/0 (Aluminum/Copper Terminal)
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Family: PowerPact
  • Item Subcategory: Molded Case


Product Identification
  • Manufacturer: Square D
  • Model: HLF36150