Square D PFA-34015 - 15A, 480V, 3-Phase, Breaker Bus Plug

Power distribution in busy facilities demands components that are reliable, compatible, and easy to retrofit. The Square D PFA-34015 Breaker Bus Plug is engineered to meet those demands in 480V, 3-phase environments. Tailored for busway and panelboard systems, this 15A bus plug delivers steady, fault-tolerant performance for industrial and commercial equipment.

Key specifications

• Brand: Square D
• Model: PFA-34015
• Type: Breaker Bus Plug
• Amperage: 15A
• Voltage rating: 480V
• Phase / Poles: 3-Phase
• Applications: Busway and panelboard power distribution systems
• Typical uses: Industrial plants, commercial facilities, process equipment, retrofit projects

Unique value in your power infrastructure

What makes this bus plug different is its purpose-built compatibility for retrofit and upgrade work where other parts aren’t readily available. The PFA-34015 is designed to slot into existing busway and panelboard configurations, enabling quick replacement or expansion without reconfiguring your entire distribution network. In environments where downtime is costly, sourcing a compatible bus plug that matches your 480V, 3-phase system is a practical advantage.

Practical use cases

• Maintenance and spares for aging busway segments in manufacturing lines, ensuring minimal downtime during routine service.
• Upgrades to support higher-demand equipment by adding a dedicated 15A 480V, 3-phase tap where needed.
• Retrofit projects in commercial facilities where modular power distribution must align with existing panelboards.

Who benefits

This component is ideal for electrical maintenance teams, facilities managers, contractors, and OEMs who need reliable, compatible bus plugs that fit 480V 3-phase systems and standard busway/panelboard architectures.

Brand assurance and installation considerations

As a Square D part, the PFA-34015 carries the trusted engineering standards behind industrial power distribution. When installing, verify system voltage, phase alignment, and panelboard compatibility. This plug is intended for use where a 480V, 3-phase bus connections are required, and it serves well in new builds as well as retrofit projects that must maintain consistent electrical characteristics across the installation.