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Square D PTMH36300GNV - Bus Plug 300A 600V 3-Phase

Square D
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Square D PTMH36300GNV is a Schneider Electric I-Line busway circuit breaker plug-in unit designed for overcurrent protection in three-phase power distribution systems. This M-frame unit operates at a 600V AC voltage rating with a 300A continuous current capacity and provides a 65kA interrupting rating at 480V AC. The plug-in unit weighs 225 lb and supports a three-phase, four-wire configuration with an integral ground bus, featuring a thermal magnetic trip mechanism for reliable circuit protection. It is engineered for seamless integration with I-Line busway systems in compliance with industry standards for industrial and commercial electrical installations. Typical applications include factory floors, data centers, and large commercial facilities requiring robust branch circuit protection and switching capabilities.

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Item Subcategory: Breaker Type
  • Family: I-Line
  • Type: PTMH
  • Weight: 225 lb
  • Wire: 4
  • Voltage Rating: 600V
  • AIC rating: 65kA@480V
  • Phase: 3
  • Current Rating: 300A
  • Amperage Rating: 300A
  • Voltage Rating: 600V AC
  • Phase Configuration: 3 Phase
  • Wire Configuration: 4 Wire with Integral Ground Bus
  • Frame Type: M-Frame
  • Trip Unit: Thermal Magnetic
  • Interrupt Rating: 25 kA at 600V AC
  • Product Type: Busway Circuit Breaker Plug-in Unit