Square D 3P4W - 100A, Breaker Bus Plug

The Square D 3P4W Breaker Bus Plug brings dependable, streamlined power distribution to demanding industrial and commercial environments. With a 100A rating and a precise 3P4W (three-pole, four-wire) configuration, this model is engineered to slot into busway and panelboard systems—delivering reliable current paths for process equipment, control circuits, and critical loads.

Key specifications at a glance

• Brand: Square D
• Model: 3P4W
• Type: Breaker Bus Plug
• Amperage: 100A
• Application: Busway and panelboard power distribution systems

What makes this bus plug stand out

Designed specifically for reliability in steady-state and retrofit applications, this Breaker Bus Plug is a purpose-built solution when compatible, hard-to-find busplugs are required. It supports three-phase four-wire systems common in modern facilities, ensuring balanced loading and safer fault isolation. For maintenance teams and upgrade projects, having a genuine Square D bus plug on hand minimizes downtime and compatibility risk—keeping your distribution network running smoothly.

Ideal use cases

• Maintenance, repair, and upgrade projects that require a compatible 3P4W bus plug without model guesswork
• Retrofits in industrial plants and commercial facilities where upgrading panelboards or busways is planned
• Spare parts strategy for process equipment and distribution networks that demand dependable, proven components

Compatibility and installation considerations

Ensure the device aligns with your existing Square D busway or panelboard setup. This 3P4W, 100A bus plug is specifically intended for three-phase four-wire power distribution systems, making it a precise match for compatible Square D infrastructure. Follow standard electrical installation practices and the equipment manufacturer guidelines to verify fitment, torque specs, and safe operating conditions.

Why choose this for your facility

In environments where uptime matters, having the right bus plug matters as much as the rest of the distribution network. This Square D 3P4W Breaker Bus Plug provides a reliable, industry-standard solution for upgrading, repairing, or stocking spare parts—helping to keep power flowing to essential operations with minimal disruption.