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Square D HLA36150UO - 150A 3-Pole Molded Case Breaker 600V

Square D
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Square D HLA36150UO is a 3-pole Powerpact molded case circuit breaker designed for thermal-magnetic protection in industrial power distribution systems. It provides long-time and instantaneous (LI) trip functions with a 600VAC voltage rating and a continuous current rating of 150A, featuring a high interrupting capacity of 100kA at 480VAC. This unit weighs 5 lb and utilizes an I-Line style plug-in connection for secure mounting in compatible panelboards. It complies with applicable UL and NEMA standards for overcurrent protection in commercial and industrial environments. Typical applications include feeder and branch circuit protection in manufacturing plants, data centers, and heavy machinery installations.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Powerpact Family, HLA Series
  • Voltage Rating: 600V AC
  • Current Rating: 150A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 100kA@480V
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: I-Line Style Plug-In
  • Weight: 5 lb
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: I-Line
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL 489, CSA, NEMA
  • Installation Type: Panelboard
  • Breaker Frame: Powerpact
  • Trip Type: Thermal Magnetic
  • Panel Type: I-Line
  • Breaker Type: Molded Case
  • Metal Type: Steel
  • Insulation Temperature: 75°C
  • Enclosure: Open
  • Wire Size: #14 AWG to 300 MCM
  • Certification: UL Listed
  • Compatible Frames: Powerpact
  • Item QTY: 1
  • Nema Rating: 1
  • Operating Temperature Maximum Celsius: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: Not available
  • GTIN: Not available