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Square D HLA36150UO - Molded Case Circuit Breaker 150A 600V

Square D
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Square D HLA36150UO is a molded case circuit breaker from the Powerpact family, designed for overcurrent protection in industrial and commercial power distribution systems. This 150-amp, 3-pole unit operates at 600VAC with a thermal magnetic trip mechanism providing LI (Long-Time and Instantaneous) protection functions. The breaker features I-Line style plug-in construction, weighs 5 lb, and has a high interrupting capacity of 100kA at 480V. It complies with UL 489, CSA, NEMA, VDE, BS, CCC, IEC, and CE marking standards, and is rated at 80% of its nominal amperage. Typical applications include switchboards, panelboards, and motor control centers requiring reliable branch circuit protection.

Key Features & Specifications
  • Type: Molded Case
  • Manufacturer: Square D
  • Family: Powerpact
  • Model: HLA
  • Current Rating: 150A
  • Voltage Rating: 600VAC
  • Poles: 3
  • Phase: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: I-Line Style Plug-In
  • AIC rating: 100kA@480V
  • Interrupt Rating: 50kA at 600VAC
  • Weight: 5 lb
  • Rating: 80%
  • Phase Connection: ABC
  • Actuator: Toggle
  • Certifications: UL 489, CSA, NEMA, VDE, BS, CCC, IEC, CE marked