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Square D MEF436LSIG - Molded Case Breaker 400A 600V 3-Pole

Square D
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Square D MEF436LSIG is a 3-pole molded case circuit breaker from the Pre-Micrologic family, designed for solid-state LSIG protection (Long-Time, Short-Time, Instantaneous and Ground Fault). It carries a voltage rating of 600V and a continuous current rating of 400A, with an AIC rating of 100kA at 480V, and features a bolt-on connection for secure installation. Weighing 75 lb, this breaker utilizes solid-state trip technology for precise protection coordination. It complies with industry standards for industrial power distribution systems. This breaker is typically applied in commercial and industrial settings requiring advanced ground fault and short-time protection, such as in switchboards or panelboards. This item does not include lugs.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Pre-Micrologic Family, MEF Type
  • Voltage Rating: 600V
  • Current Rating: 400A
  • Poles: 3
  • Phase: 3
  • Connection: Bolt-On
  • Protection: Solid State
  • AIC Rating: 100kA@480V
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Weight: 75 lb
  • Additional Info: This item does not include Lugs


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