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Square D LEP36400LS - 3-Pole 400A Molded Case Breaker

Square D
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Square D LEP36400LS is a 3-pole molded case circuit breaker from the Micrologic family, designed for solid-state protection with Long-Time and Short-Time (LS) functions. It is rated for 600V AC, 400A continuous current, and an interrupting capacity of 65kA at 480V, with a bolt-on connection for secure installation. Weighing 39 lb, this unit features a compact molded case construction suitable for industrial panelboards and switchboards. It complies with applicable UL and NEMA standards for overcurrent protection in three-phase systems. Typical applications include motor control centers, distribution panels, and heavy industrial machinery requiring precise time-current coordination.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Micrologic Family, LEP Series
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Solid State, LS (Long-Time and Short-Time)
  • AIC Rating: 65kA@480V
  • Phase: 3
  • Weight: 39 lb
  • Standards: UL 489, NEMA AB1
  • Applications: Industrial panelboards, motor control centers, distribution systems


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