Schneider Electric | PBQ4240 | Fusible Bus Plug | 400A | 240V

Designed for Schneider Electric switchgear, the PBQ4240 Fusible Bus Plug delivers a precise, reliable path for protection in 400A, 240V distribution applications. Engineered for maintenance, retrofit, and replacement projects, this component helps you keep critical power systems in service with minimal downtime.

Key specifications

• Amperage: 400A
• Voltage: 240V
• Part number: PBQ4240

Why this fusible bus plug stands out

Unlike generic replacements, this bus plug is specifically identified by its part number PBQ4240, ensuring exact compatibility with the intended Schneider Electric gear. It’s built to fit seamlessly into compatible assemblies, providing a safe, reliable fuse-protected path that supports quick maintenance and swift restoration of service.

Ideal use cases

• Routine maintenance where a direct-fit fusible bus plug is required to restore protection and continuity
• Retrofits to upgrade or modify a distribution panel while preserving existing protection schemes
• Replacement of a degraded or damaged bus plug to maintain system safety and performance

Compatibility and installation notes

Before ordering, confirm fit and ratings for your specific installation. The part number PBQ4240 is the best reference for compatibility—use it to verify that the plug matches your Schneider Electric equipment and protection requirements.

Practical guidance for maximum value

• Cross-check the bus plug against your equipment’s documentation to ensure correct electrical ratings and physical fit
• Plan for a brief maintenance window to minimize disruption when performing the plug swap
• Maintain a spare PBQ4240 on your parts shelf to reduce downtime during future maintenance or retrofit projects