Square D SD9354 - 200A, 240V, Fusible Bus Plug

The Square D SD9354 Fusible Bus Plug delivers reliable, protected power distribution for demanding industrial and commercial environments.Rated at 200A and 240V, this fusible bus plug is designed to integrate seamlessly with busway and panelboard power distribution systems, making it an essential component for modern facilities that demand quick protection and dependable performance.

Key benefits that matter in the field

• High-current protection in a compact, plug-in form — 200A at 240V to safeguard feeders and downstream equipment without expanding the footprint of your switchgear.
• Fast, downtime-friendly retrofits — the plug-in design enables rapid installation or replacement during upgrades, maintenance, or capacity expansion, minimizing production interruptions.
• Seamless compatibility with Square D busways and panelboards — engineered to align with existing distribution architectures, reducing integration risk.
• Selective feeder protection — isolates faults quickly so only affected circuits are interrupted, helping to keep the rest of your system online.
• Rugged, field-proven construction — built to endure the rigors of industrial environments and retrofit projects where reliability is non-negotiable.

Ideal applications

• Industrial plants and process facilities requiring robust feeder protection
• Commercial buildings undergoing power distribution upgrades or capacity expansion
• retrofit projects where compatible, hard-to-find busplugs are needed
• Maintenance and repair initiatives that demand quick, dependable bus plug replacements

Specifications at a glance

• Model: SD9354
• Type: Fusible Bus Plug
• Amperage: 200A
• Voltage Rating: 240V

Usage, installation and compatibility

Designed for use in busway and panelboard power distribution systems, the SD9354 is the practical choice for upgrades and new installations in both industrial and commercial settings. Installations should be performed by a qualified electrician who can confirm fuse compatibility and ensure proper coordination with your existing protection scheme. This bus plug is intended for applications where compatible Square D busways are present, and it plays a critical role in protecting feeders and downstream equipment from overcurrent events.

Why this matters in real-world scenarios

• In aging facilities, the SD9354 simplifies upgrading protection schemes without reconfiguring entire panels, saving time and reducing risk.
• For retrofit projects, it provides a reliable, standardized component that aligns with Square D distribution systems, helping maintain consistent performance across upgrades.
• During maintenance, the plug-in design allows technicians to isolate and replace protection without extensive system downtime, keeping critical processes running.

Practical tips for best results

• Verify compatibility with your existing busway or panelboard model before installation to ensure seamless operation.
• Keep a stock of compatible fuses and clearly label the protected feeders for easy future maintenance.
• Coordinate with your protection system settings to optimize selective tripping and minimize unnecessary outages.