General Electric | SL421RJ | Fusible Bus Plug | 30A | 240V

Engineered by General Electric, the SL421RJ Fusible Bus Plug is a purpose-built component for electrical distribution systems that require a controlled fuse path at 30 amps and 240 volts. Identified by GE part number SL421RJ, this bus plug is designed for maintenance, retrofit, and replacement projects where exact compatibility is essential.

Key advantages include precise electrical protection, straightforward retrofitting into compatible panels, and dependable performance in routine service or upgrade workflows. This fusible bus plug helps you maintain reliable circuit protection without the complexity of complete panel swaps.

• Exact compatibility with GE systems that accept SL421RJ fusible bus plugs ensures you avoid unnecessary substitutions.
• 30A at 240V rating provides suitable protection for circuits in many commercial and industrial panels.
• Maintenance, retrofit, and replacement ready—a practical choice when updating protection or restoring a panel after component wear.
• Clear identification—use the GE part number SL421RJ as the best reference to confirm fit with your panel model.

Use cases and scenarios:

• Replacing a worn or failed bus plug during routine maintenance to minimize downtime.
• Retrofit projects where an existing panel requires a 30A, 240V protective path without large-scale rewiring.
• Emergency replacements to restore protective functionality quickly in commercial or light industrial settings.

Fit & compatibility guidance — Before ordering, confirm the exact fit and ratings for your panel. The part number is the most reliable reference when matching GE components to your equipment.

Why choose General Electric SL421RJ over generic bus plugs? It’s the alignment of GE’s design language with your panel’s protection scheme—the right amperage, voltage, and form factor that reduces installation guesswork and supports dependable, long-term operation.