General Electric | SB421RGRI | Fusible Bus Plug | 30A | 3-Pole | 240V

Designed by General Electric, the SB421RGRI Fusible Bus Plug is a purpose-built replacement component for electrical distribution systems that demand precise specifications and dependable performance. Ideal for maintenance, retrofit, or replacement projects, this 30A, 3-pole, 240V bus plug slots into compatible GE equipment to restore operation quickly and with confidence.

Key specifications

• Amperage: 30A
• Poles: 3-Pole
• Voltage: 240V
• Part number: SB421RGRI (best reference for compatibility)

Why this fusible bus plug stands out

• Genuine GE part: Built to GE’s exacting standards, ensuring dependable performance within compatible gear.
• Exact-fit replacement: Designed for straightforward installation in existing assemblies, reducing downtime during maintenance or retrofits.
• Clear compatibility reference: The SB421RGRI part number is the primary guide for matching fixtures, panels, and switchgear.
• Versatile application: Suitable for maintenance, retrofit, and replacement scenarios where a 30A, 3-pole, 240V fusible bus plug is required.

Ideal use cases

• Routine maintenance on GE switchgear or bus systems that require a reliable fusible plug replacement.
• Retrofits or upgrades where a 3-pole, 240V configuration is needed to meet updated electrical standards.
• Emergency or planned component replacement to minimize system downtime and restore normal operation.

Before ordering, verify fit and ratings to ensure seamless compatibility with your equipment. The part number SB421RGRI is your most reliable reference for compatibility, helping you avoid mismatches and return-to-service delays.