32 Channels Rs485 Bus Relay Module For Plc Led Automation Door Lock 4713239297948

32 Channels Rs485 Bus Relay Module For Plc Led Automation Door Lock 4713239297948

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

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