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Square D PTMH36300G - Breaker Type 300A 600V

Square D
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Square D PTMH36300G is a breaker type bus plug engineered for modular power distribution and integrated circuit protection within I-Line series plug-in busway systems. This 300-amp unit operates at a 600V AC voltage rating with a 3-phase, 3-wire configuration and delivers a 65kA interrupting capacity at 480V. The unit weighs 225 lb and is constructed for direct plug-in installation on I-Line aluminum and copper busway, simplifying maintenance and system expansion. It is UL Listed and CSA Certified for compliance with industrial safety standards. Typical applications include power distribution in manufacturing facilities, data centers, and commercial buildings requiring flexible, high-capacity busway connectivity.

Key Features & Specifications
  • Type: Breaker Type
  • Amperage Rating: 300A
  • Voltage Rating: 600V AC
  • Phase Configuration: 3 Phase
  • Wire Configuration: 3 Wire
  • AIC Rating: 65kA@480V
  • Weight: 225 lb
  • Series: Square D I-Line
  • Compatible with I-Line plug-in busway systems
  • UL Listed and CSA Certified