Square D SD-9351 - 30A, 3-Phase, Fusible Bus Plug

The Square D SD-9351 Fusible Bus Plug delivers reliable, compact power distribution for demanding industrial and commercial environments. With a 30A rating across 3 phases, this bus plug is engineered to slot neatly into busway and panelboard power distribution systems, providing fast, protective power continuity where uptime is critical.

Designed for professionals who value compatibility and longevity, the SD-9351 focuses on what matters in real-world operations: a robust, purpose-built fusible plug that reduces wiring complexity and supports quick upgrades or retrofits. Its fusible design integrates overcurrent protection into the plug itself, helping you streamline assemblies and limit the number of separate components in the field.

Key benefits

• Exact-fit compatibility with Square D busway and panelboard systems, minimizing installation challenges and misfits during upgrades or spare-part stocking.
• Dedicated 3-Phase, 3-Pole configuration to align with common industrial power circuits, simplifying design decisions for new builds and retrofits.
• Maintenance-ready and retrofit-friendly — ideal for projects where hard-to-find busplugs are required to complete ongoing upgrades, repairs, or capacity expansions.
• Compact, integrated protection — fusible capability embedded in the plug reduces component count and supports clean, organized electrical layouts in busy facilities.
• Versatile application suitable for industrial plants, commercial facilities, process equipment, and retrofit initiatives that rely on dependable, scalable power distribution.

Specifications at a glance

• Brand: Square D
• Model: SD-9351
• Type: Fusible Bus Plug
• Amperage: 30A
• Phase / Poles: 3-Phase
• Application: Busway and panelboard power distribution systems
• Typical uses: Industrial plants, commercial facilities, process equipment, retrofit projects

Use cases and scenarios

• Upgrading aging electrical infrastructure in a manufacturing plant where a reliable fusible bus plug is needed to restore feed to a panel or busway segment.
• Filling a maintenance stock for facilities that rely on Square D systems, ensuring fast replacement during planned outages or emergency repairs.
• Retrofit projects that require a compatible, hard-to-find bus plug to maintain system integrity without reconfiguring existing busways.
• New installations where a proven, brand-med compatibility reduces installation risk in critical processes.

For contractors and facility engineers, the SD-9351 stands out as a dependable, purpose-built solution that aligns with established Square D hardware. When you need a specific, hard-to-source bus plug that fits seamlessly into your power distribution strategy, this fusible bus plug helps you maintain uptime, simplify maintenance planning, and protect critical equipment with confidence.