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Square D MXF36300G - 3 Pole 300A Molded Case Breaker

Square D
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Square D MXF36300G is a 3-pole molded case circuit breaker designed for overcurrent and ground fault protection in power distribution systems. It is rated for 600VAC and 300A, with a solid-state LSIG trip unit providing long-time, short-time, instantaneous, and ground fault functions. The unit mount breaker measures 8.05 inches deep, 8.27 inches wide, and 12.86 inches high, weighing 50 lb, and features a bolt-on connection. It complies with industry standards for interrupting capacity, offering 65kA at 480V. This breaker is suited for industrial and commercial applications requiring reliable circuit protection in three-phase systems.

Key Features & Specifications
  • Manufacturer: Square D
  • Type: MXF
  • Family: Micrologic
  • Item Subcategory: Molded Case
  • Poles: 3
  • Voltage Rating: 600 VAC
  • Current Rating: 300 Amp
  • Interrupt Rating: 65 kA at 480 Volt
  • Protection: Solid State
  • Functions: LSIG (Long-Time, Short-Time, Instantaneous and Ground Fault)
  • Connection: Bolt-On
  • Phase: 3
  • 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
  • Mounting: Unit Mount