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Square D PTMA36300 - Breaker Type 300A 600V 3-Phase

Square D
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Square D PTMA36300 Bus Plug is a breaker-type unit designed for primary circuit protection in industrial power distribution systems. It operates at a voltage rating of 600V and a current rating of 300A, with a robust AIC rating of 65kA at 480V. This three-phase, three-wire device weighs 225 lb and is constructed as part of the I-Line family, featuring a PTMA type configuration. It complies with industry standards for electrical safety and performance. Typical applications include use in manufacturing facilities, commercial buildings, and heavy industrial environments requiring reliable branch circuit protection.

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


Product Identification
  • UPC: Not available
  • GTIN: Not available