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Square D HLA36150UD - Molded Case Circuit Breaker 150A 3-Pole

Square D
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Square D HLA36150UD is a PowerPact H molded case circuit breaker designed for 150A thermal magnetic protection in three-phase electrical systems. This 3-pole unit is rated for 600VAC operation with a 100kA interrupting capacity at 480VAC, utilizing LI (Long-Time and Instantaneous) trip functions for precise overcurrent response. Weighing 5 lb, the breaker features an I-Line style plug-in connection for direct installation into compatible panelboards and switchboards. It is UL 489 listed and certified to CSA, CE, and CCC standards for global compliance. Typical applications include industrial power distribution, motor control centers, and commercial switchgear requiring reliable current limiting and 80% rated continuous current capability.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Family: Powerpact
  • Type: HLA
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600 VAC
  • Poles: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC rating: 100kA@480V
  • Phase: 3
  • Current Rating: 150A
  • Weight: 5 lb
  • Interrupt Rating: 50kA
  • Series/Frame: PowerPact H
  • Certifications: UL 489, CSA, CE, CCC
  • Continuous Current Rating: 80%
  • Current Limiting: Yes