Square D SD-75430 - 30A, 480V, 3-Phase, Breaker Bus Plug

When your power distribution system needs a dependable, job-specific bus plug, the Square D SD-75430 delivers. Engineered for industrial and commercial environments, this 30A, 480V, 3-Phase Breaker Bus Plug plugs into compatible busway and panelboard networks to enable fast, secure power routing where you need it most. Whether you're retrofitting legacy equipment or upgrading an active distribution path, this plug-in solution keeps downtime to a minimum while maintaining a solid electrical connection.

Why this bus plug stands out

• Exact 30A, 480V, 3-Phase performance: Provides a precise, balanced three-phase connection, helping maintain voltage stability across your load.
• Designed for busway and panelboard systems: A plug-in interface that slots into compatible Square D busways and panelboards, simplifying installation and improving reliability.
• Rugged, industrial-grade construction: Built to withstand demanding environments, with durable housing and secure locking to resist vibration and incidental contact.
• Promotion of uptime in retrofit and maintenance projects: Ideal when you need a compatible, hard-to-find busplug to complete upgrades without reworking the entire distribution path.
• Code-conscious safety and reliability: Engineered to meet industry standards for safe, dependable power distribution in critical facilities.

Ideal applications

This bus plug is well-suited for:

• Industrial plants and manufacturing floors needing reliable 3-phase power routing
• Commercial facilities undergoing equipment upgrades or panel rebuilds
• Process equipment rooms where consistent voltage and quick replacements matter
• Retrofit projects requiring compatible, hard-to-find bus plugs to complete the installation

Specs at a glance

• Brand: Square D
• Model: SD-75430
• Type: Breaker Bus Plug
• Amperage: 30A
• Voltage: 480V
• Phase: 3-Phase

Practical installation and maintenance tips

• Verify compatibility with your existing busway and panelboard before installation to ensure a snug fit and proper alignment.
• During upgrades, plan for plug replacements in sets to maintain three-phase balance across the system.
• Store spare bus plugs in their original packaging and inspect for signs of wear, corrosion, or damage before reuse.
• Schedule installation during planned downtime to minimize impact on production or service operations.