Square D | PFA100 | Bus Plug | 100A | 3-Pole | 600V

Engineered by Square D, the PFA100 Bus Plug delivers a reliable 100-amp, 3-pole, 600-volt connection designed for maintenance, retrofit, and replacement tasks within compatible electrical systems. This bus plug is built to match exact specs, helping you keep power distribution safe and consistent without guessing at compatibility.

Key advantages of the PFA100 bus plug include straightforward integration, predictable performance, and a plug-and-play approach for service windows and panel upgrades. When you’re upgrading or refurbishing an enclosure, using the correct bus plug ensures you maintain the intended electrical characteristics and system safety.

Key specifications

• Amperage: 100A
• Poles: 3-Pole
• Voltage: 600V
• Part number: PFA100
• Compatibility note: Confirm fit and ratings before ordering; the part number is the best reference for ensuring you’re matched to the correct Square D equipment.

Who should consider this

• Maintenance teams performing routine service on Square D panels and enclosures that require a like-for-like bus plug replacement.
• Facilities upgrading electrical distribution where 100A, 3-pole, 600V specifications are needed for continuity and safety.
• Panel builders and OEMs seeking a dependable, standardized component that aligns precisely with Square D design standards.

In practice, choosing the PFA100 helps minimize compatibility questions and accelerates your workflow—ensuring you have the correct plug for the job, every time. Always verify the fit against your enclosure’s ratings and use the part number as the primary compatibility reference to avoid mismatches during procurement.