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Square D HLA36150UK - Molded Case Circuit Breaker 150A 600V 3-Pole

Square D
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Square D HLA36150UK is a three-pole Powerpact H series molded case circuit breaker designed for LI (Long-Time and Instantaneous) thermal-magnetic protection in industrial electrical distribution systems. It is rated for 150A continuous current at 600VAC and 250VDC, with an interrupting capacity of 100kA at 480VAC and 50kA at 600VAC. This unit mount breaker features an I-Line style plug-in connection, weighs 5 lb, and has a compact footprint measuring 6.4 inches in height and 4.1 inches in width. It is UL 489 listed and certified to CSA, IEC, and CE standards, supporting 80% continuous current rating for reliable overload and short-circuit protection. Typical applications include motor control centers, switchboards, and industrial power panels requiring high fault current interruption in three-phase systems.

Key Features & Specifications
  • Manufacturer: Square D
  • Model: HLA36150UK
  • Item Subcategory: Molded Case
  • Family: Powerpact
  • Type: HLA
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600 VAC, 250 VDC
  • Current Rating: 150 A
  • Poles: 3
  • Phase: 3
  • Protection: Thermal Magnetic
  • Connection: I-Line Style Plug-In
  • Mounting Type: Unit mount
  • AIC Rating: 100kA@480V, 50kA@600V
  • Weight: 5 lb
  • Dimensions: Height 6.4 in, Width 4.1 in
  • Certifications: UL 489 Listed, CSA, IEC, CE
  • Continuous Current Rating: 80%