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Square D PTMA36300 - 300A Breaker Type Bus Plug

Square D
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Square D PTMA36300 is a breaker type bus plug designed for overcurrent protection in three-phase power distribution systems. It is rated for 300A at 600V AC with a 65kA interrupting capacity at 480V, supporting 3-wire configurations. This unit weighs 225 lb and features a bolt-on mounting connection within the I-Line busway family. It complies with industry standards for industrial electrical distribution. Typical applications include factory floor power distribution and heavy machinery supply.

Key Features & Specifications
  • Type: Breaker Type
  • Family: I-Line
  • Type: PTMA
  • Weight: 225 lb
  • Wire: 3
  • Voltage Rating: 600V AC
  • AIC rating: 65kA@480V
  • Phase: 3
  • Current Rating: 300A
  • Amperage Rating: 300A
  • Phase Configuration: 3-Phase
  • Breaker Type: Molded Case Circuit Breaker
  • Mounting: Bolt-On Connection
  • Application: Industrial Power Distribution