The Small level regulator is a float switch wich allows electrical equipment to start and stop automatically (usually pumps, but also electric control valves, alarms, etc.) when prefixed level has been reached. The most essential characteristics of this device are that it is small, highly reliable, and with high switching potential since it is equipped with mico-switches that have high commuting features 21(8)A 250V- or 10(6)A 400V- / 20(8)A 250V-. In the firs case, you will find that the external marking is 10(8)A 250V- where as in the second case, 10(6)A 400V- / 10(8)A 250V-. Model 53 with a 3x1 output cable can be used for emptying or filling function according to the cables that have been connected. For the other models, at the moment of making the order, it is necessary to specify which function is required. The minimum working distance between the small level regulator and the fixing point is 20 cm, where as the maximum working distance is 50 cm.