1. Eventually, the accumulating liquid raises a float switch energizing the pump. 2. Magnetic float switches are popular for simplicity, dependability and low cost. 3. Float switches must be clear of any obstructions within the sump.4. In year 2008 the company manufactured over 50.000 float switches . 5. Float switches are often adjustable and can include substantial hysteresis.6. The PLC has two discrete inputs from float switches ( Low Level and High Level ). 7. A float switch inside this sump turns the pump on when the water reaches a predetermined level. 8. Some float switches contain a two-stage switch. 9. When the tank is full, a float switch de-energizes the wing boost pumps and closes the valve. 10. Float switches are used to automatically turn the sump pump on when water rises to a preset level.
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