Description
☸★☸【FEATURES】☸★☸ level switch is a kind of liquid level control device with simple structure, no external power supply, no complicated circuit, convenient to use. Has the advantage of smaller size and longer service life than mechanical switch..☸★☸【WORKING PRINCIPLE】☸★☸Normal water intake process activated by the switch below, and the switch above stops working. The drain is activated by the switch above and the lower switch stops working..☸★☸【PLEASE NOTE】☸★☸The switch cannot directly control solenoid valves or high-power relays, AC contactors, etc.A small relay(like HH54P) is needed for transition.The contacts inside are made of a reed switch with very high sensitivity..☸★☸【THE SCOPE OF WORK】☸★☸The action range of the two floats of the double switch is 10 mm. If the demand control range is large, two switch combinations can be used, so that there is a large stroke to ensure that the pump does not start frequently..☸★☸【WIDELY APPLICATION】☸★☸The double switch can be used to control the liquid level of the water , pool, sink, fish , etc. (drain or water), or to make the upper and lower alarm switch of the liquid level.
