GE DFG421SN - 30A, 240V, 3-Phase, Fusible Bus Plug

Meet the GE DFG421SN Fusible Bus Plug — a rugged, fuse-protected 3-phase solution designed to power demanding industrial and commercial equipment with precision and protection. Built for reliability in real-world power distribution environments, this unit fits seamlessly into established GE busway and panelboard systems to keep critical processes running smoothly.

Key specifications at a glance

• Model: DFG421SN
• Type: Fusible Bus Plug
• Amperage: 30A
• Voltage Rating: 240V
• Phase / Poles: 3-Phase
• Applications: Busway and panelboard power distribution systems

Why this fusible bus plug matters

• Integrated protection — built-in fusing provides immediate overcurrent protection, reducing the need for external protective devices and simplifying panel layouts.
• Rapid fault response — the fusible design helps isolate faults quickly, minimizing damage to downstream equipment and downtime.
• retrofit-ready — specifically suited for maintenance, repair, and upgrade projects where compatible, hard-to-find busplugs are required.
• Compatibility you can trust — engineered for seamless use with GE busway and panelboard distribution systems, ensuring dependable performance in existing installations.
• Industrial-grade durability — built for the rigors of industrial plants and busy commercial facilities where reliability matters most.

Use cases and ideal environments

• Industrial plants and manufacturing lines that rely on stable, protected feeder connections
• Commercial facilities with complex power distribution networks needing compact, plug-in protection
• Process equipment retrofits where upgrading protection without a full panel overhaul is desired
• Maintenance and upgrade projects requiring compatible, hard-to-find busplugs to keep systems online

Practical guidance for deployment

• Verify that your installation aligns with 240V, 3-Phase requirements and that the busway/panelboard supports fusible plug configurations
• Plan for quick fault isolation by leveraging the integrated protection to reduce downstream disruption
• Keep spares of compatible GE DFG series bus plugs on hand for proactive maintenance and rapid retrofits

For engineers, technicians, and facility managers responsible for reliability and uptime, the GE DFG421SN offers a targeted, dependable solution when you need a fusible bus plug that fits your existing GE distribution architecture. Its 30A, 240V, 3-Phase specification, combined with integrated protection and retrofit-friendly design, helps you protect critical equipment while simplifying installation and maintenance.