General Electric | SB422 | Fusible Bus Plug | 60A | 4-Pole | 240V

General Electric delivers a precise, dependable solution for electrical distribution with the SB422 Fusible Bus Plug. Designed for 60A circuits in 240V environments, this 4-Pole plug provides a controlled, rapid-interrupt path essential for maintenance, retrofit, and replacement scenarios. Built to align with exacting specs, it’s a reliable choice when you need a like-for-like fit in service panels or gear that requires a fusible bus plug.

• Amperage: 60A
• Poles: 4-Pole
• Voltage: 240V
• Type: Fusible bus plug
• Part number: SB422
• Recommended uses: Maintenance, Retrofit, Replacement

Why this fusible bus plug matters

In electrical distribution, having a fusible bus plug that matches your system’s rating is crucial for safety and reliability. The SB422 provides a structured, reliable solution for isolating circuits during work, while enabling quick replacement to minimize downtime. With a 4-Pole configuration, it supports multiple conductors within a single plug, streamlining panel layouts and reducing the need for multiple single-pole components.

Who benefits most

Ideal for facilities upgrading switchgear, service panels undergoing retrofits, or teams that rely on fast, dependable spare parts. If your operations depend on uninterrupted power and precise compatibility, SB422 offers a practical, standards-aligned option that holds up under routine maintenance or emergency replacement scenarios.

Key considerations and best practices

Before ordering, confirm fit and ratings to ensure seamless compatibility with your equipment. The part number is the best reference for compatibility, helping you avoid mismatches in footprint or mounting. For installation, rely on a qualified electrician to maintain electrical safety, correct alignment, and proper securing of the fusible bus plug within the panel or gear footprint.

Technical at a glance

General Electric SB422 Fusible Bus Plug — 60A, 4-Pole, 240V — a purpose-built replacement and maintenance part designed to keep critical circuits protected and reachable when you need to swap or retrofit quickly. Use cases span service panel maintenance, panel upgrades, and reliable spare-part planning for ongoing operations.