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Square D PTMA36450GNH - Breaker Bus Plug 450A 600V 3P

Square D
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Square D PTMA36450GNH is a breaker type bus plug designed for overcurrent protection and power distribution in industrial and commercial electrical systems. This unit is rated for 600V and 450A, with a 65kA interrupting capacity at 480V, and operates on a 3-phase system. It weighs 225 lb, supports 4-wire configurations, and features a bolt-on, plug-in connection for secure integration with Square D I-Line busway. The bus plug complies with industry standards for robust industrial-grade construction and integrated breaker functionality. Typical applications include power distribution in manufacturing facilities, data centers, and large commercial buildings where reliable circuit protection is required.

Key Features & Specifications
  • Manufacturer: Square D
  • Item Subcategory: Breaker Type
  • Family: I-Line
  • Type: PTMA
  • Weight: 225 lb
  • Wire: 4
  • Voltage Rating: 600V
  • AIC rating: 65kA@480V
  • Phase: 3
  • Current Rating: 450A
  • Part Number: PTMA36450GNH
  • Poles: 3P
  • Mounting Type: Bolt-On
  • Application: Bus Plug
  • Wire Configuration: 3W or 4W
  • Breaker Type: Integrated
  • Connection: Plug-In
  • Construction: Industrial Grade