Square D | PFI36040G | Bus Plug | 40A | 600V

Square D PFI36040G Bus Plug is a purpose-built plug-in component designed to integrate with compatible Square D busway systems. With a 40A rating and a 600V maximum, this bus plug is built for demanding electrical distribution tasks, including maintenance, retrofit, and replacement projects where precise specifications matter.

Key specs

• Amperage: 40A
• Voltage: 600V
• Part number: PFI36040G
• Best compatibility reference: Use the part number to confirm fit
• Applications: Maintenance, retrofit, and replacement needs where matching specs are critical

Why this bus plug stands out

• Exact geometry and contact profile designed for Square D enclosures, helping ensure reliable electrical contact and a clean installation
• 40A, 600V rating makes it suitable for common distribution circuits in industrial and commercial settings
• Designed to simplify retrofit work, reducing downtime when upgrading or replacing components

Ideal use cases

• Maintenance shut-downs where you need a temporary or permanent plug-in solution
• Retrofit projects upgrading existing bus plugs to newer configurations while preserving compatibility
• Replacement of damaged or worn bus plugs in Square D systems

Compatibility and installation tips

Before ordering, verify fit and ratings against your enclosure or busway system. The PFI36040G is the reference part number for compatibility checks. For safe installation:

• Power down and lockout/tagout the equipment before any work
• Inspect bus plug and mating surfaces for corrosion or damage
• Ensure the plug aligns with the enclosure’s bus profile to avoid misalignment and arcing
• Follow your facility’s electrical standards and Square D installation guidelines