Shelly Pro 3 Professional 3-channel DIN rail relay Dry contacts
Switch – Plug Combination 3-Phase 400 V with 80 cm Cable, Phase Turner and Magnetic Emergency Stop Switch – Identical Construction Kedu KOA7 400 V : Amazon.de: DIY & Tools
3 Phase Solid State Relay 380V Input 380V 200A Output Smart AC Voltage Regulator Module Multi Pulse Trigger SSR Relay: Amazon.com: Industrial & Scientific