Square D PQ4203 - 30A, 240V, Fusible Bus Plug

Square D PQ4203 Fusible Bus Plug—a purpose-built solution for dependable power distribution in demanding industrial and commercial environments. Engineered as a 30A, 240V fusible bus plug, it integrates seamlessly with busway and panelboard systems, providing targeted feeder protection while simplifying maintenance and upgrades.

• Model: PQ4203
• Type: Fusible Bus Plug
• Amperage: 30A
• Voltage Rating: 240V
• Brand: Square D
• Application: Busway and panelboard power distribution systems

Designed with reliability in mind, the PQ4203 serves as a critical tap point for power feeds in industrial plants, commercial facilities, and process equipment setups. It’s especially valuable for retrofit projects and maintenance, where compatible, hard-to-find busplugs are required to keep existing systems running smoothly without extensive redesigns.

Why this bus plug matters in real-world use

• Fast, safe integration: Drops into current busway or panelboard configurations without complex rewiring, reducing downtime during upgrades or repairs.
• Targeted protection: Provides a dedicated fusible path for feeders, helping to isolate faults and protect downstream equipment.
• Versatile for retrofits: A practical choice when upgrading legacy installations or expanding capacity in busy facilities.
• Availability for maintenance programs: Ideal for projects that require compatible, legacy-compatible busplugs to sustain ongoing operations.

Whether you’re servicing an industrial installation, upgrading a commercial facility, or equipping process equipment for modernized distribution, the Square D PQ4203 Fusible Bus Plug delivers precise protection, compatibility, and practical value. Rely on this proven solution to keep your power distribution clean, controlled, and ready for the demands of today’s equipment and tomorrow’s upgrades.