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Square D PQ4240G - Fusible 400A 240V Bus Plug (I-Line)

Square D
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Square D PQ4240G is a fusible bus plug designed for overcurrent protection within Square D I-Line busway systems in industrial and commercial power distribution networks. This 3-phase, 4-wire unit is rated for 400A at 240V AC with a high interrupting capacity of 200kA at 240V, and it accepts H, K, or R class fuses. The plug-in type device weighs 150 lb and is constructed for durability in demanding environments, supporting a 4-wire configuration. It complies with UL and CSA approvals and meets RoHS standards. Typical applications include branch circuit protection in factories, data centers, and large commercial facilities.

Key Features & Specifications
  • Manufacturer: Square D
  • Type: PQ
  • Family: I-Line
  • Subcategory: Fusible
  • Fuse Class: H, K, R
  • Current Rating: 400A
  • Voltage Rating: 240V AC
  • AIC Rating: 200kA@240V
  • Phase: 3
  • Wire: 4
  • Weight: 150 lb
  • Mounting Type: Plug-In
  • Poles: 4
  • Approvals: UL, CSA
  • Standards: RoHS