Square D PQ-4610 - 100A, 600V, 3-Phase, Fusible Bus Plug

The Square D PQ-4610 Fusible Bus Plug is built for dependable, high-demand power distribution in industrial and commercial settings. With a 100A capacity, 600V rating, and 3-phase configuration, this fusible bus plug is designed to integrate seamlessly into existing busway and panelboard systems, delivering reliable protection and controlled power delivery where it matters most.

Key specifications at a glance

• Brand: Square D
• Model: PQ-4610
• Type: Fusible Bus Plug
• Amperage: 100A
• Voltage: 600V
• Phase / Poles: 3-Phase
• Application: Busway and panelboard power distribution systems
• Typical Use: Industrial plants, commercial facilities, process equipment, retrofit projects

Why this fusible bus plug stands out

• The fusible design provides swift fault isolation, helping minimize downtime and safeguarding downstream equipment in demanding environments.
• Designed for retrofit and maintenance: Ideal for upgrades or replacements where compatible, hard-to-find busplugs are required to keep existing systems running smoothly.
• Seamless integration with Square D systems: Engineered to work with Square D busway and panelboard power distribution architectures, reducing installation guesswork.
• Industrial-grade resilience: Built to withstand the rigors of active facilities, ensuring stable performance across shifts and workloads.

Ideal use cases

• Retrofit projects in factories and plants where existing Square D PQ components are in service.
• Maintenance cycles that require dependable spare bus plugs to minimize production interruptions.
• New or expanded process equipment installations that demand robust 3-phase, 600V power distribution.
• Commercial facilities with heavy equipment loads and stringent reliability requirements.

Installation and compatibility tips

Verify that the PQ-4610 bus plug matches your system’s busway configuration and panelboard compatibility. Use proper safety procedures and follow local electrical codes during installation. Given its 100A, 600V, 3-phase rating, plan for correct conductor sizing, insulation, and alignment with your existing distribution network to maintain optimal protection and performance.

What it means for you

If you’re maintaining or upgrading power distribution in an industrial or commercial setting, the Square D PQ-4610 Fusible Bus Plug provides a precise, compatible solution that keeps your electrical distribution aligned with your original Square D infrastructure. It’s especially valuable for projects where dependable, readily available components are essential to keep programs on track and downtime to a minimum.