Brand:ELECALL Model:ESC7810 Date Scan :2A1 Max Contact Rating :30W Max Switching Voltage :220V AC or DC Max Switching Current :1.5A Max Breakdown Voltage: 300V AC or DC Max Carry Current :3.0A Max Contact Resistance:100Mohms Ambient temperature range: SU304: -10~+60 degree centigrade P Stainless Steel: -30~+125 degree centigrade Liquid temperature range: SU304: -10~+85 degree centigrade P Stainless Steel: -30~+125 degree centigrade Net weight:49g Installation: top or bottom mounted vertically Use medium: water, oil, chemical medium 100% Brand new and high quality. This is a mini float switch. Contains no for mercury. Can be used to sense the level of liquid in a tank. The float level switch is widely used in electronic,electrical,chemical,water treatment,drainage and other walks of life level control and alarm. Products can be used for drinking fountains, water heaters, solar, air conditioners, humidifiers, bathroom equipment vending machines, tanks, water towers, chemical liquid level control, kitchen equipment, water heaters, etc.