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Square D LHP36300MB - Molded Case Circuit Breaker 300A 600V 3P

Square D
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Square D LHP36300MB is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in industrial power distribution systems. It features a 300A current rating and a 600V voltage rating, suitable for three-phase applications. The breaker is constructed with a compact H-frame design, measuring 317.5 mm x 152.4 mm x 101.6 mm (HxWxD) and weighing 15.79 lb, and utilizes a thermal-magnetic trip unit with long-time and instantaneous functions for coordinated protection. It complies with UL and CSA standards, ensuring safety and reliability. Typical applications include protecting feeders and branch circuits in industrial plants, data centers, and commercial buildings.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Dimensions: 12.5 in (317.5 mm) x 6 in (152.4 mm) x 4 in (101.6 mm) (Height x Width x Depth)
  • Standards: UL Listed, CSA
  • Applications: Industrial power distribution, feeder and branch circuit protection
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 3
  • Poles: 3
  • AIC Rating: 35kA @ 480V
  • Connection: Bolt-On
  • Terminal Connection: Lug
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: H
  • Wire Size: Accommodates AWG 1, 600 kcmil aluminium/copper and AWG 1, 250 kcmil aluminium/copper
  • Certification: UL Listed, CSA
  • Family: LHP Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901668350
  • GTIN: 00785901668350