Four Channel RS485 TTL Relay Module - 12V DC
Easily control two relays over the RS485 bus with this convenient Four Channel RS485 Relay Module from PMD Way.
Each board contains four 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. PCB measures 80 x 47 x 18mm
Board arrives fully-assembled and with instructions.