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Square D LHL36300 - Molded Case Circuit Breaker 300A 600V 3P

Square D
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Square D LHL36300 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in demanding three-phase industrial power distribution systems. It features a 300A current rating and a 600V voltage rating, housed within a robust H-frame construction measuring 279.4 mm high by 152.4 mm wide by 148.34 mm deep and weighing 16.42 lb. The breaker is certified to CSA, UL, and IEC standards, incorporating a thermal-magnetic trip unit with long-time and instantaneous (LI) functions for coordinated protection. Its 35kA interrupting rating at 480V and bolt-on lug connection make it suitable for main feeder and branch circuit applications in industrial control panels and switchgear.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, LI (Long-Time & Instantaneous) Trip
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Frame Size: H
  • Poles: 3
  • Phase: 3
  • AIC Rating: 35kA @ 480V
  • Connection: Bolt-On
  • Terminal Connection: Lug
  • Protection: Thermal Magnetic
  • Standards/Certification: CSA, UL Listed, IEC
  • Dimensions: 11 in (279.4 mm) H x 6 in (152.4 mm) W x 5.84 in (148.34 mm) D
  • Weight: 16.42 lb
  • Family: LHL Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901339373
  • GTIN: 00785901339373