RX 1 Channel Power On Off Timer Trigger Delay Cycle Timing circuit Switch Timer Relay XY-LJ02 buy it!
$2.49-$3.05
Acrel ASJ10-LD1A Electrical Circuit Earth Leakage Protection Relay buy it!
$112.00
ASJ10-LD1A Din Rail Type A Earth Fault Leakage Current Protective Device Relay For Electrical Circuit Protection Safety buy it!
$112.00
Circuit Board Plug In 12V 5Pins 10A HJR-3FF Mini Relay buy it!
$0.14-$0.15
Water Level And Level Switch Automatic Control Board Fully Automatic Pumping Water 12V Water Volume Relay Circuit Board
$1.50-$2.80