General Electric | SB421WGP | Fusible Bus Plug | 30A | 3-Pole | 240V

General Electric SB421WGP Fusible Bus Plug is a purpose-built OEM replacement designed to integrate seamlessly with compatible GE electrical systems. This 30A, 3-Pole, 240V plug ensures fast, dependable protection for essential circuits during maintenance, retrofit, or replacement projects.

Designed for compatibility and long service life, this fusible bus plug relies on the part number SB421WGP as the best reference for matching fit and ratings. Before you order, verify the exact panel requirements and ratings to ensure a proper match.

Specifications at a glance

• Amperage: 30A
• Poles: 3-Pole (three-phase configurations common in many industrial and commercial panels)
• Voltage: 240V
• Type: Fusible bus plug
• Applications: Maintenance, retrofit, and replacement where matching specs are required

Practical value and use cases

• Maintenance: Quick swap-in during routine service to restore protected feeders without custom fabrication.
• Retrofit: Upgrades or reconfigurations that require a precise 30A, 3-Pole, 240V fusible interface designed for GE systems.
• Replacement: Replaces worn or obsolete bus plugs while preserving OEM characteristics and panel compatibility.

Why choose GE SB421WGP over generic substitutes? The OEM design ensures a snug fit, consistent electrical performance, and label accuracy that aligns with GE panels and documentation. This reduces the risk of compatibility issues and helps keep your electrical gear compliant with its original specifications.

Notes: Confirm fit and ratings before ordering. The part number SB421WGP is the best reference for compatibility to your equipment.