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Square D PTMH36450GCLH - 450A I-Line Bus Plug 600V 3-Phase

Square D
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Square D PTMH36450GCLH is a 450A, 3-pole I-Line circuit breaker type bus plug designed for branch circuit protection and power distribution in industrial electrical systems. It operates at a maximum voltage rating of 600V AC with a 65kA interrupting capacity at 480V, utilizing three wires for three-phase power delivery. The unit weighs 225 lb and features a robust construction suitable for panelboard mounting within Square D I-Line distribution panels. This bus plug complies with applicable UL and NEMA standards for industrial electrical equipment. It is commonly deployed in manufacturing facilities, process plants, and heavy commercial installations requiring reliable overcurrent protection and load switching.

Key Features & Specifications
  • Type: Circuit breaker type bus plug, I-Line family, PTMH series
  • Voltage Rating: 600V AC
  • Current Rating: 450A
  • AIC Rating: 65kA at 480V
  • Phase: 3
  • Wire: 3
  • Weight: 225 lb
  • Item Subcategory: Breaker Type
  • Family: I-Line
  • Type: PTMH


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