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Square D PTMH36300GNH - Bus Plug 300A 600V 3-Phase

Square D
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Square D PTMH36300GNH Bus Plug is a 300A circuit breaker type bus plug designed for primary overcurrent protection in industrial power distribution systems. It operates at 600VAC with a 65kA interrupting capacity at 480V, supporting three-phase configurations through a 4-wire connection. This unit weighs 225 lb and is constructed as part of the I-Line family, featuring a PTMH breaker type for reliable circuit isolation. It complies with applicable UL and NEMA standards for industrial electrical equipment. Typical applications include main or feeder protection in manufacturing plants, data centers, and commercial facilities requiring high-amperage branch circuit control.

Key Features & Specifications
  • Type: Circuit breaker type bus plug, I-Line family, PTMH breaker type
  • Voltage Rating: 600VAC
  • Current Rating: 300A
  • AIC Rating: 65kA@480V
  • Phase: 3
  • Wire: 4
  • Weight: 225 lb
  • Standards: UL, NEMA
  • Applications: Industrial power distribution, main or feeder protection


Product Identification
  • UPC: Not available
  • GTIN: Not available