Trailing edge

or any Shelly Plus

and Shelly Smart Control app

No Neutral wire required

Dry contacts (potential-free)​ - option for contactor control

Shelly Pro 4PM Gebraucht Trailing edge4 channels DIN rail relay switch with Wi Fi, LAN and Bluetooth connection Professional 4 channels relay with Wi Fi, LAN, and Bluetooth connection, suitable for home and facility automation with remote control and precise power management. DIN rail mountable insde a breaker box. Enhanced safety features and compatible with most used home automation platforms. Shelly Pro 4PM LAN, Wi Fi, and Bluetooth connection 4 outputs, 16A each. Total device maximum