Square D PQ4210G - 100A, 240V, Fusible Bus Plug

Power distribution reliability starts with the right fusible bus plug. The Square D PQ4210G delivers a robust 100A, 240V fusible bus plug designed to integrate seamlessly with busway and panelboard systems in demanding industrial and commercial environments.

• Model: PQ4210G
• Type: Fusible Bus Plug
• Amperage: 100A
• Voltage Rating: 240V
• Applications: Busway and panelboard power distribution

Where this component shines is in its reliability under continuous operation. It provides a safe, fused connection point that protects downstream equipment while simplifying maintenance and upgrades across complex electrical distributions.

Ideal uses and scenarios

Designed for industrial plants, commercial facilities, process equipment, and retrofit projects where compatible, hard-to-find busplugs are required. Use cases include replacing aging or damaged bus plugs in existing installations, adding protective fusing to critical feeder circuits, and upgrading distribution strategies during plant expansion or modernization efforts.

• Maintenance and repair: quickly swap in a like-for-like fusible plug to minimize downtime
• Upgrades and retrofits: align with an established Square D busway ecosystem
• New builds and expansions: establish protected power taps in complex layouts

Why choose Square D PQ4210G? It comes from a trusted name in electrical distribution, engineered to meet the rigors of busy facilities, and designed to fit into compatible busway and panelboard configurations while delivering reliable fuse protection for critical circuits. This makes inventory management for maintenance crews easier and helps keep essential equipment powered with predictable protection.

Practical tips for best results: verify compatibility with your busway system before installation, coordinate with your facility’s electrical maintenance plan, and consider keeping a small stock of compatible fusible bus plugs for common retrofit scenarios to minimize downtime during upgrades.