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Schneider Electric PBQ4640 - 400A Fusible Bus Plug (600V, 3-Phase)

Schneider Electric
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Schneider Electric PBQ4640 is a 400A fusible bus plug designed for reliable power distribution and overcurrent protection within I-Line busway systems. This 3-phase, 4-wire unit operates at 600V and delivers a 200kA interrupting rating at 480V, utilizing Class H, K, and R fuses for versatile protection. The enclosed plug-in unit weighs 175 lb and features a durable polyester powder coat finish for longevity in demanding environments. It complies with UL 857, CSA C22.2, and RoHS standards, ensuring safe and compliant operation. Typical applications include commercial and industrial facilities requiring robust branch circuit protection from a busway distribution system.

Key Features & Specifications
  • Type: Fusible
  • Family: I-Line
  • Current Rating: 400 Amps
  • Voltage Rating: 600 Volts
  • Phase: 3
  • Wire: 4
  • Fuse Class: H, K, R
  • AIC Rating: 200kA@480V
  • Weight: 175 lb
  • Mounting Type: Plug-in unit
  • Enclosure: Totally enclosed design
  • Finish: Durable polyester powder coat paint
  • Standards: UL 857, CSA C22.2, RoHS