Square D | SD71420 | Bus Plug | 20A | 480V

The Square D SD71420 Bus Plug is a purpose-built plug-in component for 480V electrical distribution, engineered to support maintenance, retrofit, and replacement tasks with exacting compatibility to Square D bus plug assemblies. Using the correct part number SD71420 ensures you match the exact fit and ratings your system requires.

Key specifications

• Amperage: 20A
• Voltage: 480V
• Reference for compatibility: SD71420

Why this bus plug matters for your 480V system

In industrial environments, dependable bus plugs are essential to maintain continuous power flow and safe operation. This SD71420 plug is designed to slot into compatible Square D bus plug configurations, providing a reliable connection point that supports routine maintenance, planned retrofits, or replacement of worn components. Its 20A, 480V rating aligns with common mid-range distribution paths, helping you manage power delivery without overloading the circuit.

Practical use cases

• Maintenance windows: quickly swap in the SD71420 during planned shutdowns to minimize downtime.
• Retrofits: upgrade aging bus plug components while preserving existing wiring layouts and conductors.
• Replacement: when components show signs of wear or corrosion, replace with the SD71420 to restore proper function and ratings.

How to ensure a correct fit

Because compatibility hinges on the exact bus plug arrangement, use the SD71420 as the definitive reference. Before ordering, confirm that your equipment’s data plate and the replacement part match the 20A, 480V rating and the SD71420 identification.

Notes for procurement

This product listing refers to the SD71420 bus plug component. For straightforward identification and future replacements, keeping the part number as your primary reference helps prevent mismatches in conduit, bus bar, and plug interfaces.