Square D | PS4220GE | Fusible Bus Plug | 200A | 3-Pole | 240V

The Square D PS4220GE Fusible Bus Plug is a purpose-built solution for maintenance, retrofit, and replacement projects that demand exact compatibility with existing Square D bus systems. Designed to integrate seamlessly where a 200A, 3-pole, 240V configuration is required, this plug-in component helps keep electrical distribution performing reliably during upgrades or service work.

Key specifications

• Amperage: 200A
• Poles: 3-Pole
• Voltage: 240V
• Part reference: PS4220GE

Why this fusible bus plug matters

In electrical distribution panels, fusible bus plugs are critical for isolating faults and enabling safe maintenance. The PS4220GE is purpose-built to deliver reliable protection and predictable performance in applications that require a precise 200A, 3-pole, 240V solution. By matching the exact Square D design, it helps minimize downtime and compatibility issues during upgrades, retrofits, or replacements.

Ideal use cases

• Maintenance: Swap-in replacements to restore original protection and operability without extensive panel modifications.
• Retrofit: Add or upgrade bus plug configurations in panels that necessitate a 200A, 3-pole, 240V setup.
• Replacement: Reintroduce proper protection in decommissioned circuits or aging distribution gear that requires the PS4220GE specification.

Compatibility and selection tips

Before ordering, verify fit and ratings to ensure seamless integration with your existing Square D equipment. The PS4220GE designation is the most reliable reference for compatibility, so cross-check it against your panel model and bus assembly. This part is purpose-built for Square D systems, giving you a direct, drop-in option that aligns with your current protection strategy.

What you gain with this component

• Consistent electrical protection aligned with your panel’s original design
• Reduced installation time thanks to a direct-fit, factory-validated part
• Improved reliability for maintenance windows and retrofit projects
• Clear, unambiguous compatibility through the PS4220GE part number

Notes: Confirm fit and ratings before ordering. Use the part number PS4220GE as the best reference for compatibility with your Square D bus and panel configuration. For qualified electricians, this fusible bus plug offers a straightforward path to restore or upgrade distribution protection without measuring or guessing.”