DFPBA321 - 30A, 240V, 3-Phase, Fusible Bus Plug

The DFPBA321 Fusible Bus Plug is your go-to solution for reliable, fuse-protected power distribution in demanding industrial and commercial environments. Engineered for 3-phase busway and panelboard systems, this 30A, 240V unit delivers controlled power where uptime and safety matter most—through tighter protection, simpler maintenance, and seamless retrofit capability.

Why the DFPBA321 stands out

• 3-Phase, 240V performance: Designed to integrate with standard 3-phase distribution, the DFPBA321 supports 240V systems with a 30A rating, making it ideal for medium-load equipment and process lines.
• Fusible protection: Inline fusible design provides rapid fault isolation, reducing fault severity and protecting downstream equipment during electrical events.
• Busway and panelboard compatibility: Specifically configured for use with busway and panelboard power distribution networks, ensuring a secure fit in established infrastructure.
• Ideal for retrofit projects: A practical choice for upgrading aging electrical layouts, enabling safer modernization without a complete system overhaul.
• Hard-to-find, ready-to-install solution: When compatible busplugs are needed to complete a maintenance or upgrade, the DFPBA321 fills the gap with dependable performance.

Typical applications and use cases

Industries and facilities that rely on robust 3-phase power distribution will find the DFPBA321 especially valuable. Use it to:

• Replace or upgrade fusible bus plugs in existing busway networks that require reliable protection and quick fault isolation.
• Distribute power to process equipment in industrial plants while maintaining clear, fault-tolerant protection pathways.
• Support retrofit projects where adding or reconfiguring 3-phase distribution is necessary to meet new equipment or process requirements.
• Maintain commercial facility reliability by ensuring consistent, protected power feeds to critical systems and machinery.

Who benefits most

• Maintenance teams performing equipment upgrades or replacements in automated facilities.
• Electrical engineers designing protected 3-phase distribution in industrial and commercial settings.
• Contractors and installers working on retrofit projects that require compatible, readily available bus plugs.

Installation and compatibility notes

The DFPBA321 is purpose-built for busway and panelboard power distribution systems. To ensure optimal performance, verify alignment with your existing 3-phase, 3-pole configuration and follow standard electrical safety practices during installation. This fusible bus plug is designed to slot into compatible infrastructure where a reliable, fuse-protected feeder is needed, supporting smoother maintenance and quicker restoration after faults.

Technical snapshot

• Model: DFPBA321
• Type: Fusible Bus Plug
• Amperage: 30A
• Voltage: 240V
• Phase: 3-Phase
• Applications: Busway and panelboard power distribution systems

Choose the DFPBA321 when you need a dependable, fusible bus plug that aligns with standard 3-phase distribution, supports retrofit and upgrade initiatives, and helps minimize downtime with clear fault protection. It’s the practical, purpose-built choice for industrial plants, commercial facilities, and process equipment environments where every amp counts and safety matters.