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Square D PTMH36400GN - Circuit Breaker Bus Plug 400A 600V

Square D
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Square D PTMH36400GN is a 400A circuit breaker type bus plug designed for primary overcurrent protection in industrial power distribution systems. It operates at a maximum voltage rating of 600V AC with a 65kA interrupting capacity at 480V, supporting a 400A continuous current rating in a three-phase configuration. This unit weighs 225 lb and accommodates 4 AWG wire, featuring a robust I-Line family construction for secure panel mounting. It complies with applicable UL and NEMA standards for industrial electrical safety and reliability. Typical applications include branch circuit protection in manufacturing plants, commercial buildings, and heavy machinery power feeds.

Key Features & Specifications
  • Type: Circuit breaker type bus plug, I-Line family, PTMH series
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • AIC Rating: 65kA@480V
  • Phase: 3
  • Wire: 4 AWG
  • Weight: 225 lb
  • Standards: UL, NEMA
  • Applications: Industrial power distribution, branch circuit protection


Product Identification
  • UPC: Not provided
  • GTIN: Not provided