AC/DC 12V Fish tank Aquarium Automatic Water Supply Controller Water Level Sensor Solenoid Valve Water Pump Motor Switch

Description 30A Version Working voltage DC 12 15V AC 9 12V Standby current 11MAWorking current 82MASize 67mm X 33mm X 25mmWeight 42 gMaximum load 30A 250VAC 30A 120VAC 30A 30VDCNote Package does not contain probe wire No need to use a dedicated probe the probe can be made using household wiresFor safety use an AC DC power supply with good isolation Application Home water tower automatic water supply systemAquarium Fish tank Water Changer SystemConductive liquid automatic controlAutomatic feeding system for poultry and livestockFarm automatic water supply systemAnd other occasions that require automatic water supply and water exchange Solenoid valve water pump motor automatic controlInterface description HIGH Upper limit probeOUT Output probeLOW Lower limit probeIN Power terminal 1 regardless of positive and negative IN Power terminal 2 regardless of positive and negative NC Relay normally closed contactCOM Relay common contactNO Relay normally open contactWorking principle The water level rises When the water level is lower than the Low level the water pump starts to supply water to the water tower when the water level is higher than the High level the water pump stops supplying water Water level reduction When the water level is lower than the High level the water pump does not work and the water level continues to decrease When the water level is lower than the Low water level the water pump starts to su