Square D QMB323TW - 100A, 240V, 3-Phase, Fusible Bus Plug

Designed by Square D, the QMB323TW Fusible Bus Plug delivers dependable power distribution for demanding industrial and commercial environments. With a 100A, 240V, 3-phase rating, this bus plug is engineered to integrate seamlessly into busway and panelboard systems, providing targeted protection and reliable service where it matters most.

Key Specifications

• Brand: Square D
• Model: QMB323TW
• Type: Fusible Bus Plug
• Amperage: 100A
• Voltage: 240V
• Phase / Poles: 3-Phase
• Applications: Busway and panelboard power distribution systems

Ideal Use Cases

• Industrial plants and process equipment that require robust, fusible protection within 3-phase distribution
• Commercial facilities undergoing power distribution upgrades or retrofits
• Maintenance, repair, and upgrade projects where compatible, hard-to-find busplugs are essential

What Sets This Bus Plug Apart

• Proven compatibility—specifically designed to fit into Square D busway and panelboard systems, ensuring reliable integration with existing protection schemes.
• Practical for retrofits—a reliable solution when replacing or upgrading aging distribution components, helping minimize downtime and maintain protective continuity.
• Industrial-grade reliability—built for demanding environments where uninterrupted power distribution is critical for process equipment and facility operations.
• Hard-to-find, mission-critical part—an appropriate choice for projects that require exact, compatible bus plugs to complete the protection and distribution network.

Benefits in Real-World Scenarios

• Keep critical machinery protected with a dedicated fusible path that isolates faults quickly in a 3-phase system
• Streamline upgrades by selecting a plug that matches existing panelboard dimensions and electrical characteristics
• Support ongoing maintenance programs with a ready-to-install component that aligns with established Square D standards

Practical Tips

• Verify system compatibility with your current busway and panelboard configuration to ensure a smooth retrofit or upgrade.
• Maintain a small inventory of compatible bus plugs for preventive maintenance and rapid fault isolation.
• When planning installation, review surrounding protective devices to ensure coordinated protection across the 3-phase distribution network.

Secure the Square D QMB323TW 100A, 240V, 3-Phase Fusible Bus Plug for reliable, compatible power distribution that supports both new installations and essential retrofits in industrial and commercial settings.