Square D PQ-4206 - 60A, 3-Phase, Fusible Bus Plug

Meet the Square D PQ-4206 60A Fusible Bus Plug—a purpose-built link in your facility's power distribution grid. Engineered for demanding industrial and commercial environments, this bus plug delivers dependable protection and precise control where downtime costs money.

Designed for 3-phase systems, the PQ-4206 plugs into busway and panelboard configurations, offering 60 amperes of protective capacity while supporting modular, scalable distribution across busy plants and facilities.

• Authentic Square D engineering—tuned to integrate seamlessly with compatible busway and panelboard ecosystems for dependable performance over time.
• 60A, 3-Phase specification—provides robust load handling with dedicated fusible protection suited to common industrial loads and process equipment.
• Fusible protection—localizes faults, helping protect downstream gear and reduce the scope of outages during maintenance or fault events.
• Industrial-grade reliability—built to withstand demanding environments, retrofit projects, and space-constrained installations where precision matters.
• Hard-to-find, ready-to-ship—this listing is ideal for maintenance, repair, and upgrade projects that require compatible, legacy-friendly busplugs.

Core applications include powering process equipment, feeding critical lines in manufacturing environments, and upgrading aging distributions without a full panel replacement. If your facility relies on busway and panelboard power distribution, the PQ-4206 offers a precise, reliable fit for adding or replacing a fusible link in a controlled, organized manner.

Specifications at a glance

• Brand: Square D
• Model: PQ-4206
• Type: Fusible Bus Plug
• Amperage: 60A
• Phase/Poles: 3-Phase
• Application: Busway and panelboard power distribution systems

Why choose this model matters: it’s a dedicated component designed to support uptime, protect essential equipment, and simplify future maintenance. Ideal for technicians conducting regular replacements, retrofits, or upgrades where standard parts are scarce but reliable performance is non-negotiable.