General Electric | SL425RGI | Fusible Bus Plug | 400A | 4-Pole | 240V

The General Electric SL425RGI Fusible Bus Plug is a purpose-built solution for maintenance, retrofit, and replacement projects in GE-compatible electrical distributions. Designed to slot into a 4-pole bus configuration at 240V, this unit delivers a reliable 400A protective path to keep feeders secure while streamlining service work.

• Amperage: 400A
• Poles: 4-Pole
• Voltage: 240V
• Part reference: SL425RGI — the clearest compatibility indicator for GE gear

What makes this fusible bus plug stand out is its deliberate alignment with GE switchgear ecosystems. The fusible design provides controlled interruption under fault conditions, helping to protect feeders and minimize downstream damage, while its plug-in form supports quick swaps during maintenance windows. With the SL425RGI, technicians can execute retrofits or replacements without overhauling entire panels, reducing downtime and inventory complexity.

Ideal use cases

• Maintenance of aging GE panels that rely on reliable fusible protection
• Retrofits to convert feeders or expand capacity within a 4-pole, 240V framework
• Replacement for worn or failed fusible bus plugs in 400A service feeders
• Spare part for service crews and facilities teams managing field upgrades

Important compatibility and installation notes

Before ordering, confirm fit and ratings for your specific equipment. The SL425RGI part number is your best reference for compatibility, ensuring the bus plug aligns with your GE configuration. Follow standard electrical safety practices when handling fusible devices, and consult the equipment manual for secure mounting and isolation procedures. If you’re unsure about the exact fit, refer to your panel’s manufacturer documentation and verify that the 400A, 4-pole, 240V specification matches your service needs.

Who should consider the SL425RGI? Electrical contractors, facilities engineers, and maintenance teams responsible for GE switchgear modernization or refurbishment. It’s a precise, dependable choice when you need a robust fusible bus plug that integrates cleanly into existing 4-pole, 240V distributions, delivering targeted protection with streamlined service readiness.