Two Channel RS485 TTL Relay Module
Easily control two relays over the RS485 bus or via TTL with this convenient Two Channel RS485 TTL Relay Module from PMD Way.
Each board contains two relays that can handle 30V DC at 10A, or 230V AC at 10A.
Relays are fully opto-isolated to protect connections, and are accessible via quick-connect solderless screw terminals. Board requires 12V DC for operation.
Board arrives fully-assembled and with instructions.