Square D PQ-4203 - 30A, 240V, Fusible Bus Plug

Meet the Square D PQ-4203 Fusible Bus Plug—an expertly engineered, fuse-protected tap designed for 30A at 240V in demanding busway and panelboard power distribution networks. Built to perform in industrial plants and commercial facilities, this bus plug provides a safe, reliable way to extend capacity and protect critical loads without a full panel retrofit.

• Precise fuse-protected taps for busway networks, enabling rapid isolation of faults and safer maintenance windows.
• Direct compatibility with Square D busway and panelboard configurations, ensuring a seamless fit within established electrical layouts.
• Ideal for retrofit and upgrade projects where compatible, hard-to-find busplugs are required to expand or modernize existing systems.
• Durable, field-ready design built to withstand the rigors of industrial environments while maintaining reliable performance over time.

Specifications at a glance

• Brand: Square D
• Model: PQ-4203
• Type: Fusible Bus Plug
• Amperage: 30A
• Voltage Rating: 240V
• Applications: Busway and panelboard power distribution systems

Typical use scenarios include industrial plants, commercial facilities, process equipment, and retrofit projects where a compatible busplug is necessary to extend power distribution safely and efficiently. This listing is specially suited for maintenance, repair, and upgrade work that requires a dependable, hard-to-find busplug to keep systems running with minimal downtime.

Why choose the PQ-4203 for your operation

• Enhances system flexibility by adding protected power taps exactly where you need them without compromising the surrounding bus network.
• Supports selective protection strategies by keeping feeds isolated through a dedicated fusible plug.
• Offers reliable, long-term performance in environments where continuous operation and quick serviceability matter most.
• Designed to align with existing Square D infrastructure, reducing compatibility risk during upgrades or expansions.

Who benefits most

• Electrical maintenance teams implementing upgrades or expansions
• Specifiers and contractors planning retrofit projects in facilities with legacy busway systems
• Facility managers seeking dependable, field-proven components to minimize downtime and maintenance costs

With the Square D PQ-4203 Fusible Bus Plug, you gain a purpose-built solution that aligns with your existing distribution hardware, supports efficient upgrades, and delivers reliable protection for critical loads in demanding environments.