This float switch is a device used to sense the level of liquid within a tank,the switch may activate a pump,an indicator,an alarm,or other device.
It does not have a complex circuit,will not be disturbed,as long as the material selection,liquid,pressure or temperature can be used in any environment.
Light weight and simple working principle,high reliabilit.
The float level switch is widely used in electronic,electrical,chemical,water treatment,drainage and other walks of life level control and alarm.
Note: because the current that the switch can carry is much little(0.5A), you must use a relay or contactor when it is connected by a load, relay or contactor are not included here.