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Square D MX36250G - 3-Pole 250A Molded Case Circuit Breaker

Square D
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The Square D MX36250G is a 3-pole molded case circuit breaker from the I-Line family, designed for primary overcurrent and ground fault protection in industrial power distribution systems. It features a solid-state trip unit with LSIG (Long-Time, Short-Time, Instantaneous and Ground Fault) protection functions, rated for 600V AC and 250A continuous current, with an interrupting capacity of 65kA at 480V. This unit measures 8.05 inches in depth, 8.27 inches in width, and 12.86 inches in height, weighing 50 lb, and utilizes an I-Line style plug-in connection for secure mounting in compatible panelboards. It complies with applicable UL and NEMA standards for industrial electrical safety and reliability. Typical applications include main or feeder protection in commercial and industrial switchboards, motor control centers, and distribution panels requiring selective coordination and ground fault detection.

Key Features & Specifications
  • Type: Square D MX Series, I-Line Molded Case Circuit Breaker
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 65kA@480V
  • Connection: I-Line Style Plug-In
  • Protection: Solid State
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Dimensions: Depth 8.05 in (204.47 mm), Width 8.27 in (210.06 mm), Height 12.86 in (326.64 mm)
  • Weight: 50 lb
  • Item Subcategory: Molded Case
  • Family: I-Line
  • Type: MX


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