General Electric | SL425R | Fusible Bus Plug | 400A | 4-Pole | 240V

General Electric SL425R Fusible Bus Plug is a purpose-built protection and isolation component designed for GE switchgear and power distribution systems. With a 400A rating, a 4-pole configuration, and a 240V operating envelope, this fusible bus plug delivers reliable, field-ready protection for maintenance, retrofit, and replacement projects where exact specifications matter.

Key specifications at a glance

• Amperage: 400A
• Poles: 4-Pole
• Voltage: 240V
• Part reference: SL425R

Why this fusible bus plug stands out

• The SL425R designation is the best reference for matching GE equipment. Designed to integrate with GE bus assemblies, it simplifies sourcing and reduces guesswork during upgrades or replacements.
• Ideal for upgrade projects where you need a reliable, plug-in protection solution that minimizes downtime and disruption to ongoing operations.
• Integrates a fusible element within the bus plug, delivering prompt fault isolation at the bus level and preserving downstream equipment.
• This plug is chosen for replacement and service work because it aligns exactly with existing GE configurations, helping technicians restore service quickly.

Use cases and practical scenarios

• Maintenance windows where quick, proven replacements are required to keep critical processes online.
• Retrofits in aging GE switchgear to introduce or restore fusible protection without extensive reengineering.
• Emergency replacements to restore power distribution with a known, compatible part reference.

How to use and care

Before ordering, confirm fit and ratings to ensure compatibility with your specific GE equipment. The part number SL425R is the most reliable reference for ensuring seamless integration. Handle with standard electrical safety practices, and coordinate with a qualified electrical professional during installation or replacement to maintain system integrity.