General Electric | SL425I | Fusible Bus Plug | 400A | 4-Pole | 240V

General Electric SL425I Fusible Bus Plug is a purpose-built solution for high-current electrical distribution. With a precise 400A rating, a four-pole configuration, and a 240V operating range, this GE component delivers reliable protection and dependable performance in demanding environments. Designed for maintenance, retrofit, and replacement scenarios, it ensures you can upgrade or repair your panel with exact compatibility in mind.

• Amperage: 400A
• Poles: 4-Pole
• Voltage: 240V
• Type: Fusible Bus Plug
• Part number: SL425I
• Best use case: maintenance, retrofit, and replacement where matching specs are required
• Compatibility note: Confirm fit and ratings before ordering; the part number SL425I is the most reliable reference for compatibility.

Why the SL425I Fusible Bus Plug stands out

What sets this fusible bus plug apart is its exact-spec design for GE distribution systems. The four-pole arrangement ensures balanced protection across all conductors, while the fusible construction adds a controllable shut-off during overload conditions. This combination minimizes fault propagation and reduces downtime during service events. Built to endure the rigors of industrial environments, it maintains reliable performance in 240V, 400A applications where precise fit matters as much as protection.

Ideal use cases

This bus plug is an excellent fit for:

• Maintenance of existing GE switchgear and panelboards that require a fusible plug with four poles
• Retrofit projects where upgrading to fusible protection is needed without altering surrounding components
• Replacement during routine equipment servicing to restore original protection levels and current-carrying capability

Practical guidance for installation and compatibility

To ensure seamless integration, always verify that the device matches the existing system’s specifications before purchase. The SL425I is the best reference for compatibility, so cross-check the part number against your equipment documentation. When installing, ensure the system is de-energized, adhere to all safety protocols for high-current components, and confirm that the 240V rating and 400A capacity align with your service requirements. If in doubt, consult your system designer or GE documentation to confirm that this fusible bus plug will drop into place without modification.