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Square D PTMH36300GCLV - 300A 3-Phase 600V Bus Plug

Square D
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Square D PTMH36300GCLV is a 300A, 3-phase, 600V I-Line circuit breaker bus plug designed for branch circuit protection and power distribution in industrial switchboards. It delivers a 65kA interrupting capacity at 480V AC with a 3-wire configuration, housed in a 225 lb metal enclosure. The unit integrates a PTMH frame with thermal-magnetic trip mechanism for overcurrent protection. It complies with UL 489 and NEMA standards for industrial safety. Typical applications include manufacturing plants, commercial buildings, and heavy machinery power distribution.

Key Features & Specifications
  • Type: Square D I-Line PTMH circuit breaker bus plug, thermal-magnetic trip, metal enclosure
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • AIC Rating: 65kA at 480V AC
  • Phase: 3
  • Wire: 3
  • Weight: 225 lb
  • Family: I-Line
  • Item Subcategory: Breaker Type
  • Standards: UL 489, NEMA
  • Applications: Industrial power distribution, branch circuit protection, manufacturing plants, commercial buildings


Product Identification
  • UPC: Not provided
  • GTIN: Not provided