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Square D PQ4240GRA - Fusible 400A 240V 3-Phase Bus Plug

Square D
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Square D PQ4240GRA is a 400A fusible bus plug designed for overcurrent protection in industrial power distribution systems. It operates at 240V AC with a 200kA interrupting capacity at 240V, supporting three-phase configurations and accommodating 4 AWG wire. This I-Line family unit weighs 150 lb and accepts H, K, or R fuse classes for versatile protection. It complies with applicable industry standards for electrical safety and reliability. Typical applications include branch circuit protection in manufacturing plants, data centers, and commercial facilities requiring high-fault-current handling.

Key Features & Specifications
  • Type: Fusible bus plug, I-Line family, PQ series
  • Voltage Rating: 240V AC
  • Current Rating: 400A
  • AIC Rating: 200kA@240V
  • Phase: 3
  • Wire: 4 AWG
  • Fuse Class: H, K, R
  • Weight: 150 lb
  • Item Subcategory: Fusible
  • Family: I-Line
  • Type: PQ


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