Square D PQ4603G - 30A, 480V, 3-Phase, Bus Plug

Designed by Square D, the PQ4603G Bus Plug delivers reliable, plug‑in power distribution for demanding industrial and commercial environments. With a robust 30 A rating at 480 V and 3‑phase capability, this unit integrates seamlessly into established busway and panelboard systems, enabling quick, safe connections where dependable power distribution matters most.

• Brand: Square D
• Model: PQ4603G
• Type: Bus Plug
• Amperage: 30 A
• Voltage: 480 V
• Phase / Poles: 3‑Phase
• Application: Busway and panelboard power distribution systems

This listing is ideal for maintenance, repair, and upgrade projects where compatible, hard-to-find busplugs are required. In facilities where uptime and safety are non‑negotiable, the PQ4603G provides a precise, plug‑in solution that minimizes disruption during changes in power routing or equipment relocation.

Why the PQ4603G stands out

What makes this bus plug truly valuable is its targeted fit within Square D’s ecosystem, offering a reliable 30 A, 480 V, 3‑phase interface designed for continuous operation in busy industrial plants and commercial facilities. It enables swift reconfiguration of power layouts for process equipment, retrofit upgrades, or seasonal demand shifts without a full panel overhaul. By aligning with existing busway footprints and connector styles, it reduces installation complexity and helps maintain code-compliant, safe connections.

Ideal use cases

• Retrofit projects where existing busway infrastructure remains viable but needs updated, readily available bus plugs
• Upgrades to process equipment and machinery that require a sturdy 30 A, 480 V, 3‑phase connection
• Incremental capacity expansion in industrial plants and commercial facilities without broad electrical overhauls
• Maintenance windows and temporary reconfigurations that benefit from a dependable plug‑in interface

Practical considerations

Ensure compatibility with your current Square D busway and panelboard configuration. Installation should be performed by qualified electrical personnel in accordance with local codes and safety standards. Keep the PQ4603G on hand as part of a planned maintenance or retrofit program to streamline future upgrades and minimize downtime.