General Electric | SB423I | Fusible Bus Plug | 100A | 4-Pole | 240V

Introducing the General Electric SB423I Fusible Bus Plug — a purpose-built, 100A, 4-pole, 240V solution engineered for reliable protection and seamless integration in electrical distribution systems.

Designed for maintenance, retrofit, and replacement needs where exact specifications matter, the SB423I ensures proper fuse coordination and safe, dependable operation within GE gear. Built to meet the demands of demanding electrical environments, this fusible bus plug helps you keep critical circuits online with confidence.

Key specifications

• Brand: General Electric (GE)
• Part number: SB423I
• Amperage: 100A
• Poles: 4-Pole
• Voltage: 240V

What makes the SB423I unique

This fusible bus plug stands out with its 4-pole configuration, enabling protection across multiple fault paths within a single assembly. The 100-amp rating provides a robust, scalable protection layer for mid-range switchgear and distribution panels, while the 240V rating ensures compatibility with standard industrial electrical systems. By design, this part is specifically suited for GE equipment, helping technicians avoid the guesswork that can come with generic substitutes.

Ideal use cases

• Maintenance: Replace worn or damaged bus plugs to restore full protective functionality.
• Retrofit: Upgrade aging gear with a compatible fusible plug that meets current protection standards.
• Replacement: Substitute failed components with the exact GE SB423I to maintain equipment warranties and performance.
• System upgrades: Expand or reconfigure protection schemes in GE switchgear installations that require a 4-pole, 240V, 100A solution.

Compatibility and verification

Before ordering, confirm fit and ratings against your equipment catalog. The SB423I part number is the most reliable reference for compatibility with GE switchgear and related assemblies. If your documentation calls for a 100A, 4-pole, 240V fusible bus plug, this GE component is designed to meet that specification and align with GE’s design standards.

Practical tips for installation and handling

• Review your panel and fuse coordination documentation to ensure a correct match with the SB423I’s 4-pole configuration.
• Handle with appropriate PPE and follow your facility’s electrical safety procedures during replacement or retrofit.
• Store unused bus plugs in a clean, dry environment to prevent corrosion or contamination of contact surfaces.
• After installation, perform a standard functional check to verify proper electrical connection and protective operation.

Whether you’re performing routine maintenance, planning a retrofit, or replacing a worn component, the General Electric SB423I Fusible Bus Plug delivers dependable protection, precise compatibility, and a straightforward path to keeping your electrical distribution running smoothly.