32 Channels Rs485 Bus Relay Module For Plc Led Automation Door Lock 4713376399543

32 Channels Rs485 Bus Relay Module For Plc Led Automation Door Lock 4713376399543

1. DC 12V power supply. 2. standby current (all relays closed) 9MA, all 32 open relays 150ma 3. " open " " close " "...

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