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Square D MEF836LSG - Molded Case 800A 600V (3-Pole LSIG)

Square D
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Square D MEF836LSG is a 3-pole, 800 amp molded case circuit breaker designed for primary power distribution protection in industrial environments. It operates at 600V AC with a high interrupt rating of 100kA at 480V, utilizing a Pre-Micrologic solid state trip unit that provides LSIG functions—long-time, short-time, instantaneous, and ground fault protection. The breaker features a bolt-on mounting style with an I-Line plug-in connection, weighs 75 lb, and is constructed as part of the Pre-Micrologic family. It complies with industry standards for molded case circuit breakers and is suitable for heavy-duty commercial and industrial applications requiring robust fault current interruption.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Family: Pre-Micrologic
  • Type: MEF
  • Weight: 75 lb
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Voltage Rating: 600V AC
  • Poles: 3
  • Connection: Bolt-On, I-Line Style Plug-In
  • Protection: Solid State
  • AIC rating: 100kA at 480V
  • Phase: 3
  • Current Rating: 800A
  • Amperage: 800A
  • Mounting Type: Bolt-On, I-Line Style Plug-In
  • Interrupt Rating: 100kA at 480V
  • Series/Frame: MEF
  • Trip Unit: Pre-Micrologic Adjustable LSI
  • Frequency: 50-60 Hz