General Electric | SB421P | Fusible Bus Plug | 30A | 240V

Introducing the General Electric SB421P Fusible Bus Plug — an OEM-grade solution engineered for dependable fusible protection in electrical distribution systems. This plug is purpose-built for maintenance, retrofit, and replacement projects where exact specifications and compatibility matter, ensuring a seamless fit with GE equipment.

Key specifications

• Amperage: 30A
• Voltage: 240V
• Part number: SB421P

Why this fusible bus plug matters

As a fusible bus plug, the SB421P provides precise overcurrent protection within GE distribution gear, enabling quick outages during fault conditions while supporting faster field service. Choosing an authentic GE plug ensures electrical characteristics align with existing panels and switchgear, reducing downtime and compatibility risk during maintenance or upgrades.

Ideal use cases

• Routine maintenance on GE distribution equipment that requires a 30A, 240V fusible plug
• Retrofit projects where older systems are updated to incorporate fusible protection
• Replacement for worn or failed bus plugs in compatible GE configurations

Compatibility and fitment guidance

Notes: Confirm fit and ratings before ordering. The part number is the best reference for compatibility. To verify, compare the SB421P against your panel or switchgear model, and ensure the operating voltage and current match your system’s requirements.

Installation and safety reminders

• Power must be fully de-energized before installation; follow proper lockout/tagout procedures.
• Handle with care to protect terminals and the fusible element inside.
• Consult equipment manuals for any device-specific installation steps or torque specifications.

What sets this GE SB421P apart

With an OEM GE part number SB421P, you gain a plug designed for exact compatibility with GE gear, minimizing guesswork and ensuring reliable protection. The 30A/240V rating aligns with common distribution needs, providing a straightforward, dependable replacement path that helps you maintain electrical system integrity and uptime.