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Square D MEF236LI - Molded Case Breaker 250A 600V 3-Pole

Square D
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Square D MEF236LI is a 3-pole molded case circuit breaker from the Pre-Micrologic family, designed for long-time and instantaneous (LI) solid-state protection in industrial power distribution systems. It is rated for 600V AC, 250A continuous current, and delivers a 100kA interrupting capacity at 480V AC, with a bolt-on connection for secure panel mounting. Weighing 75 lb, this unit features a compact frame construction and does not include lugs, requiring separate selection based on wiring specifications. The breaker complies with applicable industry standards for overcurrent protection in three-phase systems. Typical applications include main or feeder protection in switchboards, panelboards, and industrial control panels requiring precise LI trip coordination.

Key Features & Specifications
  • Type: Molded Case, Pre-Micrologic Family, MEF Type
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Solid State, LI (Long-Time and Instantaneous)
  • AIC rating: 100kA@480V
  • Phase: 3
  • Weight: 75 lb
  • Additional Info: This item does not include Lugs. If you would like lugs please reach out to a sales rep with wiring specs and we can help you with the lugs part number.