63A Heavy Duty Rotary Changeover Switch With Three NO And Three NC Two Way Three Position Three Phase Twelve Terminals 660V Universal Power Selector For Solar And Grid Power Switching

Heavy-Duty Rotary Changeover Switch: 3NO/3NC 660V 63A
✔️ 3-pole, 3-position ON-OFF-ON, 12 terminals for solar/grid, single unit

This heavy-duty rotary changeover switch lets you select between solar and grid power sources in a single, compact unit. Built for reliability in off-grid and on-grid setups, it's suited for solar power systems, generators, RVs, and industrial panels where a clean source swap is essential.

✅ Ui 660V, Ith 63A
✅ 3-position 1-0-2 ON-OFF-ON with 3 poles and 12 terminals
✅ 3NO / 3NC configuration for flexible wiring (AWG #10-#6)
✅ Flame-retardant PC housing, silver alloy contacts, thick copper connections
✅ Suitable for solar, generator, inverter, RV power switching

💡 What is a heavy-duty rotary changeover switch used for in power systems?

This handy device helps you switch between energy sources safely and cleanly, protecting appliances and controllers.