Square D PQ3610 - 100A, 600V, Fusible Bus Plug

Square D PQ3610 Fusible Bus Plug delivers dependable, ready-to-deploy power distribution for demanding industrial and commercial environments. With a 100A rating and a 600V maximum voltage, this fusible bus plug provides fast, reliable protection and easy integration into existing busway and panelboard systems. Designed for retrofit projects, maintenance, and upgrades, it’s a practical choice when compatible, hard-to-find busplugs are needed to keep equipment running smoothly.

Key benefits that matter on the floor

• Reliable protection with fast fault isolation: Fusible design helps limit fault energy and protects downstream equipment, reducing downtime.
• Exacting electrical compatibility: Specifically formulated to work within Square D busway and panelboard power distribution systems, ensuring a clean fit and predictable performance.
• Industrial-grade durability: Built to withstand the rigors of busy facilities, process equipment, and retrofit projects where resilience matters most.
• Strategic spare for maintenance and upgrades: Ideal for inventory in maintenance, repair, and replacement programs where availability of compatible busplugs is critical.

Where and how you’ll use it

• needing dependable bus distribution with straightforward replacement for aging components.
• upgrading electrical infrastructure without overhauling entire panels.
• requiring sturdy, plug-and-play protection modules to minimize downtime.
• where existing systems benefit from a compatible, readily available fusible bus plug solution.

Why this particular bus plug matters

The PQ3610 isn’t a generic stand‑in—it’s a purpose-built module for Square D power distribution footprints. Its 100A, 600V rating aligns with common industrial and commercial circuits, while the fusible design provides a clear path to selective protection and safe shutdown. For maintenance teams, this means fewer substitutions, faster part replacement, and more predictable maintenance windows.

Practical tips for getting the most from your PQ3610

• Verify interface compatibility with your current busway and panelboard configuration before replacement to ensure a seamless fit.
• Keep a dedicated spare on hand in a dry, accessible location to minimize downtime during maintenance or upgrades.
• Adhere to lockout/tagout procedures and work with qualified personnel to install or replace fusible bus plugs safely.
• Inspect during routine maintenance for any signs of wear or contamination, and replace promptly to maintain reliability.

Specifications at a glance

• : Square D
• Model: PQ3610
• Type: Fusible Bus Plug
• Amperage: 100A
• Voltage Rating: 600V
• Applications: Busway and panelboard power distribution systems

Choose the Square D PQ3610 Fusible Bus Plug when you need a purpose-built, compatible solution for reliable power distribution in industrial and commercial settings—especially for maintenance, repair, and upgrade projects where compatible, hard-to-find busplugs are essential to keeping operations flowing.