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Square D PQ4240GR - Fusible 400A 240V Bus Plug

Square D
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Square D PQ4240GR Bus Plug is a fusible I-Line unit designed for primary circuit protection in industrial power distribution systems. It operates at 240V AC with a 400A current rating and a 200kA interrupting capacity at 240V, utilizing Class H, K, or R fuses for overcurrent protection. The plug weighs 150 lb and accommodates 4 AWG wire connections, featuring a three-phase configuration for robust electrical performance. It complies with applicable industry standards for safety and reliability in demanding environments. This bus plug is typically used in manufacturing plants, commercial facilities, and other settings requiring high-capacity branch circuit protection.

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