The electrical Level Switches are the high-quality sensors, utilized for detecting the existence of powder, liquids and coarse physical. In this way, these can prevent the occurrence of overflows. When the liquid makes a contact with these, these provide a signal to keep the fluid away from the overflowing of tank. Level Switches ensure full detection and thus efficiently utilized for preventing the draining of tank. This activity is known as lower limit detection as well as empty detection. Utilization of these enable energy savings in a considerable way. These low cost solutions are simple to handle and can attain the detection task, even under the hard conditions of high pressure as well as high temperature. The switches can deal with highly viscous liquids and are extremely effortless to use.