Square "D" Open Tank Float Switch, Designed For Open Tank & Sump Applications, Lever Operated, Can Be Floor Mounted Or Can Be Pedestal Mounted Using A Mounting Plate #9049UMS1, NEMA 1 Enclosure, 2 Contacts That Open When The Liquid Rises Above A Designated Level, Configuration Is Used For Tank Filling Applications, Does Not Provide Motor Protection, But May Be Used As A Pilot To Operate An Overload Protected Starter.