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Square D HLA36150SH - Molded Case Circuit Breaker 150A 600V 3-Pole

Square D
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Square D HLA36150SH is a PowerPact H molded case circuit breaker designed for primary power distribution protection in industrial and commercial electrical systems. This 150A, 3-pole unit operates at a maximum voltage rating of 600VAC and provides a high interrupting capacity of 100kA at 480VAC, utilizing a thermal magnetic trip mechanism with LI (Long-Time and Instantaneous) functions for precise overcurrent protection. The breaker features an I-Line style plug-in connection for secure panel mounting and weighs 5 lb, with a compact molded case construction that includes a complete 380/480Vac shunt trip for remote tripping capability. It is UL 489 Listed, CSA Certified, NEMA Certified, and CE Marked, ensuring compliance with North American and international safety standards. Typical applications include main or feeder protection in switchboards, panelboards, and motor control centers requiring robust short-circuit and overload protection in three-phase systems.

Key Features & Specifications
  • Type: Molded Case
  • Family: Powerpact
  • Type: HLA
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC rating: 100kA@480V
  • Phase: 3
  • Current Rating: 150A
  • Additional Info: complete with 380/480Vac shunt trip
  • Weight: 5 lb
  • Interrupt Rating: 50kA
  • Series/Frame: PowerPact H
  • UL 489 Listed
  • CSA Certified
  • NEMA Certified
  • CE Marked