DFC421 - 20A, 125/250V, 3-Phase, Fusible Bus Plug

The DFC421 Fusible Bus Plug is engineered to deliver dependable power distribution in the most demanding industrial and commercial environments. With a 20A amperage, a versatile 125/250V rating, and a true 3‑phase design, this bus plug keeps critical equipment energized while preserving system protection and reliability.

• Model: DFC421
• Type: Fusible Bus Plug
• Amperage: 20A
• Voltage Rating: 125/250V
• Phase / Poles: 3‑Phase
• Application: Busway and panelboard power distribution systems

Designed for maintenance, repair, and upgrade projects, the DFC421 excels where compatible, hard-to-find busplugs are required. It’s an ideal fit for facilities that rely on uninterrupted power to drive process equipment, assembly lines, and critical service circuits.

Why choose the DFC421? Its fusible design provides targeted overcurrent protection within a compact bus plug form factor, enabling quick replacements and simplified protection coordination in complex power networks. This makes it especially valuable during retrofits or capacity upgrades where downtime must be minimized and compatibility with existing busways and panelboards is essential.

Optimal use scenarios:

• Industrial plants upgrading motor drives, conveyors, or processing equipment
• Commercial facilities incorporating new electrical feeders into existing busway systems
• Retrofit projects where traditional bus plugs are scarce or hard to source
• Maintenance shutdowns requiring a reliable, readily available fusible bus plug solution

The DFC421 is a practical, purpose-built solution for professionals who demand stable power distribution, precise protection, and easy integration with 3‑phase busway and panelboard architectures. If you’re coordinating upgrades or replacements in busy facilities, this fusible bus plug helps you keep systems running smoothly with confidence.