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Square D LHF36400 - Molded Case Circuit Breaker 400A 600V 3P

Square D
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Square D LHF36400 is a molded case circuit breaker designed for providing reliable overcurrent protection in demanding three-phase industrial power distribution systems. It features a 400A current rating and a 600V voltage rating, housed within a compact L Frame measuring 317.5 mm H x 152.4 mm W x 101.6 mm D and weighing 15.12 lb. This thermal magnetic breaker is CSA, IEC, and UL listed, offering 35kA interrupting capacity at 480V for robust short-circuit protection. Its three-pole, bolt-on configuration with long-time and instantaneous (LI) trip functions makes it suitable for protecting feeders and mains in industrial control panels and switchgear.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, L Frame
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: 317.5 mm H x 152.4 mm W x 101.6 mm D (12.5 in x 6 in x 4 in)
  • Standards: CSA, IEC, UL Listed
  • Applications: Industrial Power Distribution, Feeder and Main Protection
  • Switch Type: Circuit Breaker
  • Configuration: Three-Pole, Bolt-On Connection
  • AIC Rating: 35kA at 480V
  • Phase: 3
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: L Frame
  • Breaker Type: Molded Case
  • Certification: CSA-IEC-UL LISTED
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On (Lugs Not Included)
  • Standards: CSA, IEC, UL
  • Family: LHF Series
  • Country of Origin: Mexico
  • Weight: 15.12 lb


Product Identification
  • UPC: 785901205111
  • GTIN: 00785901205111