12V operated 8 Channel Switch Relay Module Block -- 12V betriebener 8 Kanal Schalter Relaisblock

12v 5 volt 8 channel 8 channel relay 8 Kanal 8 Kanal Relais high loads hohe Last normaly open normaly closed optocoupler Optokoppler power switch relais Relais Block Relaisblock relay relay block relay modul schalten Standalone Stepdown Module switch