The Small level regulator is a float switch which allows electrical equipment to start and stop automatically (usually pumps, but also electric control valves, alarms, etc.) when a prefixed level has been reached. The most essential characteristics of this device are that it is small, highly reliable, and with a high switching potential since it is equipped with micro-switches that have high commuting features 21(8)A 250V~ or 10(6)A 400V~ /20(8)A 250V~. In the first case, you will find that the external marking is 10(8) A 250V~ whereas in the second case, 10(6)A 400V~ / 10(8)A 250V~. With a 3X1 output cable can be used for the 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.