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Square D HLA36100UR - Molded Case Circuit Breaker 100A 600V

Square D
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Square D HLA36100UR is a 3-pole molded case circuit breaker from the Powerpact H-Frame family, designed for thermal-magnetic overcurrent protection with LI (Long-Time and Instantaneous) trip functions. It is rated for 100A continuous current at 600V AC and delivers a 100kA interrupting capacity at 480V AC, ensuring robust fault clearing in three-phase power systems. The unit weighs 5 lb and features an I-Line style plug-in mounting configuration for straightforward installation and replacement in panelboards. This breaker is UL listed, suitable for reverse fed applications, and is current limiting to enhance system safety during short-circuit events. It is commonly deployed in industrial and commercial distribution panels requiring reliable branch circuit protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Model: HLA36100UR
  • Item Subcategory: Molded Case
  • Family: Powerpact
  • Type: HLA
  • Series/Frame: H-Frame
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V AC
  • Poles: 3
  • Phase: 3
  • Current Rating: 100A
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC rating: 100kA@480V
  • Weight: 5 lb
  • Current Limiting: Yes
  • Suitable for Reverse Fed Applications: Yes
  • Certifications: UL listed