Square D | PBLX36400 | Bus Plug | 400A | 3-Pole | Plug-In

Square D PBLX36400 Bus Plug is a plug-in, 400-amp, 3-pole component designed for maintenance, retrofit, and replacement projects in compatible Square D panels. This plug-in bus plug provides a reliable, quick-install solution when you need to isolate, replace, or upgrade sections of a three-phase bus with minimal downtime.

Key specifications

• Amperage: 400A
• Poles: 3-Pole
• Type: Plug-In
• Part Number: PBLX36400

Why this bus plug stands out

• Plug-In design enables straightforward installation in compatible Square D bus systems, reducing labor time during maintenance or upgrades.
• 3-Pole configuration supports three-phase applications, aligning with typical commercial and industrial electrical architectures.
• 400A current rating handles high-load scenarios common in mid- to large-scale panels, making it suitable for retrofit and replacement projects where capacity matters.
• The part number PBLX36400 serves as the best reference for compatibility, helping ensure you select the exact fit for your Square D panel.

Ideal use cases

• Maintenance and service work where you need to isolate a portion of the bus without draining the entire panel.
• Retrofit projects to upgrade or reconfigure a three-phase distribution setup while keeping downtime to a minimum.
• Replacement of worn or damaged bus plugs to restore secure, reliable connections in the bus assembly.

Compatibility and installation notes

Confirm fit and ratings before ordering. The part number PBLX36400 is the most reliable reference for ensuring compatibility with your Square D panel and bus arrangement. When installing, follow standard electrical safety practices and refer to your panel’s documentation to verify correct alignment and contact integrity.