Square D | PFI34040 | Bus Plug | 40A | 3-Pole | 480V

Introducing the Square D PFI34040 Bus Plug—a precise, purpose-built solution for maintenance, retrofit, and replacement projects in industrial electrical systems. With a 40A rating, this 3-Pole bus plug is engineered to deliver dependable performance in 480V, three-phase environments where exact compatibility matters.

• Amperage: 40A
• Poles: 3-Pole
• Voltage: 480V
• Part number: PFI34040

Designed to fit into compatible Square D bus-plug assemblies, the PFI34040 provides a straightforward, drop-in solution that minimizes downtime during maintenance or upgrades. Its specifications are tailored for systems that require a precise match to existing gear, ensuring reliable connections and consistent performance in demanding environments.

Ideal use cases

• Maintenance outages where a reliable, exact-match replacement is needed for 480V, three-phase distribution
• Retrofits to update aging panels with a compatible bus plug that preserves the original system architecture
• Spare part planning for facilities with Square D equipment to reduce downtime during service calls

Why this bus plug stands out

• Exact compatibility is defined by the part number—PFI34040—so you can confidently match it to your Square D gear without guesswork
• Specifically rated for 480V three-phase systems, making it a practical, purpose-driven choice for industrial applications
• Designed to support maintenance and replacement workflows, helping facilities maintain steady operation and minimize disruption

Before you order, confirm fit and ratings to ensure a seamless replacement. The PFI34040 part number is the best reference for compatibility with Square D bus-plug assemblies, giving you a straightforward path to a reliable, long-lasting connection in your electrical distribution system.