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Square D MX36300G - Molded Case Circuit Breaker 300A 600V

Square D
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Save $-3,571.88
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Square D MX36300G is a 3-pole molded case circuit breaker from the I-Line family, designed for overcurrent protection and short circuit interruption in industrial and commercial power distribution systems. It is rated for 300A at 600VAC with a solid-state LSIG protection function, providing long-time, short-time, instantaneous, and ground fault tripping capabilities. The breaker measures 12.86 inches in height, 8.27 inches in width, and 8.05 inches in depth, weighing 50 lb, and features an I-Line style plug-in connection for secure panel mounting. It complies with industry standards for high-fault applications, offering an interrupting rating of 65kA at 480VAC. This unit is suitable for demanding electrical environments requiring reliable coordination and fault isolation.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Molded Case
  • Family: I-Line
  • Type: MX
  • 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
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: I-Line Style Plug-In
  • Protection: Solid State
  • AIC rating: 65kA@480V
  • Phase: 3
  • Current Rating: 300A