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Square D PQ4240G - Fusible 400A 240V 3-Phase Bus Plug

Square D
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The Square D PQ4240G is a fusible bus plug designed for branch circuit protection and disconnection in industrial power distribution systems. It operates at a voltage rating of 240V AC with a continuous current rating of 400A and a high interrupting capacity of 200kA at 240V. This three-phase unit weighs 150 lb and accepts H, K, or R class fuses with a wire size of 4 AWG. It complies with UL and NEMA standards for safe and reliable performance in demanding environments. Typical applications include use in manufacturing plants, commercial facilities, and other industrial settings requiring robust overcurrent protection.

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
  • Fuse Class: H, K, R
  • Wire: 4 AWG
  • Weight: 150 lb
  • Standards: UL, NEMA
  • Applications: Industrial power distribution, branch circuit protection


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