QBF364-3 - 200A, 480V, 3-Phase, Fusible Bus Plug

The QBF364-3 Fusible Bus Plug is built for dependable power distribution in demanding industrial and commercial environments. Designed toslot directly into busway and panelboard power networks, this 3-phase device brings protective fusing right to the distribution path, helping you protect equipment and reduce downtime during faults.

• Model: QBF364-3
• Type: Fusible Bus Plug
• Amperage: 200A
• Voltage Rating: 480V
• Phase / Poles: 3-Phase

Why this matters for your operation

By integrating fusing into the bus plug, you gain selective protection that quickly isolates faults with minimal impact on surrounding circuits. This approach helps protect transformers, motors, drives, and other critical equipment from fault energy, while simplifying maintenance and upgrade projects. The QBF364-3 is especially valuable in retrofit scenarios where compatible, hard-to-find busplugs are required to maintain or modernize an existing distribution system.

Ideal use cases

• Industrial plants upgrading or expanding power distribution without a complete rewiring.
• Commercial facilities with high-demand equipment that requires reliable, localized protection.
• Process equipment installations where space is at a premium and a compact, integrated protection solution is preferred.
• Maintenance, repair, and replacement projects needing a compatible bus plug to preserve system coordination and protection schemes.

What sets it apart

• Unique integration of protection and distribution in a single, modular bus plug for fast, reliable fault isolation.
• Designed to work within standard busway and panelboard configurations, reducing installation complexity and downtime.
• A practical choice for retrofit projects where off-the-shelf, compatible bus plugs are essential to keep systems running smoothly.

Tips for optimal use

• Ensure the bus plug is correctly rated for your system’s 480V, 200A, and 3-phase configuration to maintain proper protection coordination.
• Plan replacements or spare fusible elements as part of proactive maintenance to minimize downtime during faults.
• Coordinate with upstream protection devices to achieve selective tripping and maximize system reliability.
• Keep a record of compatible configurations for future upgrades or expansions to streamline procurement.

In short, the QBF364-3 Fusible Bus Plug is a practical, durable solution for teams seeking reliable protection, straightforward integration, and access to hard-to-find bus plugs for industrial and commercial power distribution. It’s an engineered choice for maintenance, repair, and upgrade projects where dependable, compatible bus plugs matter most.