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Square D PTMA36300GH - Breaker Type Bus Plug 300A 600V

Square D
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Square D PTMA36300GH Bus Plug is a circuit breaker type bus plug designed for primary overcurrent protection in industrial power distribution systems. It operates at a voltage rating of 600V AC with a continuous current rating of 300A and an interrupting capacity of 65kA at 480V, supporting three-phase, three-wire configurations. The unit weighs 225 lb and is constructed as part of the I-Line family, featuring a PTMA type design with a breaker-type subcategory for integrated circuit protection. This bus plug complies with applicable industry standards for electrical safety and performance in demanding environments. Typical applications include power distribution in manufacturing facilities, commercial buildings, and heavy industrial settings where reliable circuit protection is required.

Key Features & Specifications
  • Type: Circuit breaker type bus plug, I-Line family, PTMA design
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • AIC Rating: 65kA@480V
  • Phase: 3
  • Wire: 3
  • Weight: 225 lb
  • Item Subcategory: Breaker Type


Product Identification
  • UPC: Not specified
  • GTIN: Not specified