... ~+1254.Certificates: CE, RoHS,FDAMovement Explaination:A float switch is a device used to sense the level ... there are usually two way to use the float switch, to prevent overflow or to prevent dry- ... BSD-P, humidifier, dehumidifier,fluid control,a pump,an indicator,an alarm,or other device. If ... and you can select 10W or 50W reed switch. Data ScanSFSMax Contact Rating10W50WMax Switching VoltageDC 100VDC ...