Float Switch is connected to an electric Pump through an electric cable, is used for the auto-control and no water protection of the water tower or water pool. Technical Specifications: Rated Voltage: 220 – 240V AC Rated Current: 10 (4) A Frequency: 50 HZ / 60 HZ Temperature: 60° C Protection Class: IP 67 Installation: Fix the counterweight on the power cable to control water level. Connect the electrical cable with the electrical pump/Panel and then fix it inside the water tank. The length of cable section between the fixation point of the device & the device body determines the water level. The terminal of the electrical cable shall never be immersed into water during installation.