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Square D MEL436LS - 400A 3-Pole Molded Case Circuit Breaker (600V)

Square D
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Square D MEL436LS is a 400A, 3-pole molded case circuit breaker from the Pre-Micrologic family, designed for solid-state overcurrent protection with LS (Long-Time and Short-Time) functions. It operates at a voltage rating of 600V and a current rating of 400A, with an AIC rating of 100kA at 480V, and features a feed-thru connection for 3-phase systems. Weighing 75 lb, this unit utilizes a solid-state trip mechanism to provide precise coordination and selective tripping in industrial power distribution. It complies with applicable industry standards for molded case circuit breakers, ensuring reliable performance in demanding environments. Typical applications include main or feeder protection in commercial and industrial switchboards, panelboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case, Solid State Trip
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Poles: 3
  • Phase: 3
  • Connection: Feed-Thru
  • Protection: Solid State
  • AIC rating: 100kA@480V
  • Functions: LS - Long-Time and Short-Time
  • Family: Pre-Micrologic
  • Weight: 75 lb
  • Item Subcategory: Molded Case


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