GE SB321RI - 30A, 240V, Fusible Bus Plug

Power distribution reliability starts with the right fusible plug. The GE SB321RI is a 30A, 240V fusible bus plug crafted for dependable protection and straightforward integration into busway and panelboard systems.

Engineered for demanding industrial and commercial environments, this bus plug supports critical operations—from continuous process equipment to retrofits in aging facilities. It’s a smart choice when you need a compatible, hard-to-find bus plug that minimizes downtime during maintenance, repair, or upgrade projects.

Why choose the GE SB321RI Fusible Bus Plug

• 30 amp, 240-volt rating delivers reliable protection for medium-load distribution circuits
• Fusible design provides inherent overcurrent protection and coordination within a busway/panelboard array
• Direct compatibility with busway and panelboard power distribution systems enables quick replacement and reduced commissioning time
• Ideal for maintenance, repair, and retrofit projects where compatible, hard-to-find bus plugs are essential
• Trusted GE reliability for industrial plants and commercial facilities
• Versatile for use with process equipment, machinery feeders, and facility upgrade initiatives

Specifications at a glance

• Brand: GE
• Model: SB321RI
• Type: Fusible Bus Plug
• Amperage: 30A
• Voltage Rating: 240V
• Applications: Busway and panelboard power distribution systems
• Typical Use: Industrial plants, commercial facilities, process equipment, retrofit projects

Practical use cases

• New installations in industrial facilities requiring robust, plug-in protection for bus duct distributions
• Retrofits or upgrades in aging panelboards where compatible fusible bus plugs are essential
• Maintenance spares to minimize downtime during fuse or plug changes
• Repairs in process environments where consistent electrical protection is critical

Installation and safety reminders

Follow standard electrical procedures when handling fusible bus plugs. Ensure power is isolated, verify compatibility with existing busway or panelboard configurations, and replace only with same-model components to preserve protection coordination and system integrity.