Square D PQ3210 - 100A, 240V, 3-Phase, Fusible Bus Plug

Square D PQ3210 Fusible Bus Plug delivers reliable, protected power distribution for 3‑phase busway and panelboard systems. Rated at 100A and 240V, this fusible bus plug is built to withstand demanding industrial and commercial environments and keep critical equipment energized with minimal downtime.

What is the Square D PQ3210 Fusible Bus Plug?

The PQ3210 is a purpose-built fusible bus plug designed to insert into compatible busway and panelboard configurations. With a 3‑phase, 100A, 240V rating, it provides a safe, integrated point of protection and power delivery for complex electrical layouts typically found in industrial settings and retrofit projects.

Key specifications

• Brand: Square D
• Model: PQ3210
• Type: Fusible Bus Plug
• Amperage: 100A
• Voltage Rating: 240V
• Phase / Poles: 3-Phase
• Application: Busway and panelboard power distribution systems

Ideal use cases

Designed for industrial plants, commercial facilities, and processes that demand dependable, continuous power, the PQ3210 shines in retrofit projects where compatible, hard-to-find busplugs are required. It’s also a solid choice for maintenance, repair, and upgrades in aging or expanding electrical distributions where a precise 3‑phase, 100A, 240V solution is needed.

Why this fusible bus plug stands out

• Reliability in demanding environments: engineered to maintain stable distribution in busy industrial settings.
• Exact compatibility: specifically designed for use with Square D busway and panelboard systems, reducing installation guesswork.
• Protective, integrated fusing: fusible design adds a protective layer to upstream equipment, helping contain faults at the source.
• Convenient for upgrades and retrofits: readily available option for projects that require a precise 3‑phase, 100A, 240V bus plug.
• Clear application scope: ideal for process equipment, retrofit campaigns, and facilities upgrades where robust power distribution is essential.

Installation and practical considerations

Ensure this plug matches your existing busway or panelboard configuration for a seamless fit. Follow standard electrical safety practices and local codes during installation, and coordinate with your maintenance plan to minimize downtime. The PQ3210 is a purpose-built component that simplifies expanding or upgrading distributed power in busy facilities, helping you keep critical systems online longer.

Who should consider the Square D PQ3210?

Maintenance teams, electrical contractors, and facility engineers tackling upgrades, replacements, or expansions in industrial or commercial environments will find this fusible bus plug aligns with their need for a dependable, compatible 3‑phase, 100A, 240V solution. If your project requires a hard-to-find, Square D‑specific bus plug, the PQ3210 is designed to meet that exact need.