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Fusible Bus Plug
General Electric | SB421RI | Fusible Bus Plug | 30A | 3-Pole | 240V
| Part Number | SB421RI |
| Amperes | 30 |
| Poles | 3 |
| Voltage | 240 |
| Product Type | Fusible Bus Plug |
Regular price
$310.00
Sale price
$310.00
Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
General Electric | SB421RI | Fusible Bus Plug | 30A | 3-Pole | 240V
Regular price
$310.00
Sale price
$310.00
Regular price
Unit price
Product description
Shipping
Introducing the General Electric SB421RI Fusible Bus Plug — a purpose-built solution for maintenance, retrofit, and reliable replacement in GE panel systems. Designed for 240V three-pole configurations with a 30A rating, this component keeps your electrical distribution organized and ready for safe servicing when you need it most.
Why choose the SB421RI?
As a genuine GE part, the SB421RI delivers a precise fit for compatible GE panels and equipment. The three-pole design ensures balanced distribution across all phases, while the 30A rating supports dependable operation during maintenance windows or retrofit projects. For compatibility, the part number SB421RI is the best reference—always confirm fit and ratings before ordering.
Key specifications
- Amperage: 30A
- Poles: 3-Pole
- Voltage: 240V
- Part number: SB421RI
Ideal use cases
Perfect for technicians and facilities teams performing:
- Routine maintenance on GE electrical panels, ensuring safe isolation and continuity where needed
- Retrofits to upgrade or modernize panel configurations without compromising system integrity
- Replacement of worn or failed bus plugs to restore expected performance quickly
What problems it solves
- Minimizes downtime during servicing by providing a reliable, ready-to-use fusible connection
- Preserves proper current paths across all three phases, reducing the risk of imbalances during replacement
- Streamlines compatibility checks for GE equipment, helping installers choose the correct part the first time
Practical tips for buyers
Always confirm fit and ratings against your panel’s specifications before ordering. Retain the part number SB421RI for future maintenance and stocking of spare parts. Store in a clean, dry environment to maintain performance and longevity.
With the GE SB421RI Fusible Bus Plug, you gain a dependable, standards-aligned component that supports safe maintenance, effective retrofits, and reliable replacements in 240V, 3-pole systems.
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