Square D PQ4210 - 100A, 240V, 3-Pole, Bus Plug

Meet the Square D PQ4210 Bus Plug — a precise 100A, 240V, 3-Pole connection engineered for demanding power distribution tasks in industrial and commercial settings. From a trusted brand, this bus plug is built to keep critical processes online where it matters most.

Designed for seamless integration with busway and panelboard power distribution systems, the PQ4210 delivers secure, rapid connections that minimize downtime and maximize reliability. Its three-pole configuration supports smooth three-phase operation, making it a natural fit for equipment and facilities that demand steady, balanced power delivery.

What makes the PQ4210 uniquely valuable

• Direct compatibility with square D busway and panelboard layouts, ensuring a precise, plug-and-play fit in existing systems.
• 100A amperage at 240V, 3-Pole design tailored for three-phase power distribution typical in industrial plants and commercial facilities.
• Specially positioned for maintenance, repair, and retrofit projects where compatible, hard-to-find busplugs are required.
• Reliable performance in process equipment and retrofit scenarios—designed to withstand the rigors of continuous operation and occasional surges common in demanding environments.

Where this bus plug shines

• Maintenance and repair campaigns needing a precise, original-spec plug to restore full system capability.
• Retrofit projects that modernize power distribution without reengineering existing busway or panelboard footprints.
• New installations in facilities that rely on Square D-compatible components for consistent performance and serviceability.
• Industrial plants and commercial facilities where rapid, secure plug-and-play connections reduce downtime and maintenance complexity.

Key specifications at a glance

• Brand: Square D
• Model: PQ4210
• Type: Bus Plug
• Amperage: 100A
• Voltage Rating: 240V
• Phase / Poles: 3-Pole
• Application: Busway and panelboard power distribution systems

Whether you’re upgrading an aging distribution network, replacing a failed plug, or outfitting a retrofit with a reliable, industry-standard component, the PQ4210 delivers a dependable, precise fit that keeps your power flowing. Choose this bus plug to maintain continuity of service, simplify maintenance, and ensure compatibility with your existing Square D infrastructure.