... switch, to prevent overflow or to prevent dry-fire. Application:water heater, water dispenser, air-condition, air-cooler, BSD-P, humidifier, ... product suitable for your desire,you can also send some data and pattern of your product that you desired ,our ... , and you can select 10W or 50W reed switch. Data ScanSFSMax Contact Rating10W50WMax Switching VoltageDC 100VDC 200VMax Switching Current0.5 ...