Pepperl + Fuchs LFL2-CK-U Cylindrical Float Switches. The LFL2-CK-U range of float switches from Pepperl + Fuchs are cylindrical float switches with a sleeve design. They each come with a 5m cable available in a choice of materials. These float switches have a cylindrical sleeve design. Please refer to the list below for information on ball design options too. The LFL2-CK-U float switches feature a switching element that, if it deviates from the horizontal position, activates a micro switch (change-over contact).. How is it mounted The LFL2-CK-U float switches can be mounted through the side of the tank, through a cable gland more than or equal to G1A. How big is it The sleeve measures 135 x 29.2 mm. The cable is 5m long. Versions Available: ( ; 339-5238 339-5238 ) - LFL2-CK-U-PVC5 - Sleeve with PVC Cable ( ; 350-2060 350-2060 ) - LFL2-CK-U-PUR5 - Sleeve with PUR Cable ( ; 350-2076 350-2076 ) - LFL2-CK-U-CSM5 - Sleeve with CSM Cable ( ; 339-5244 339-5244 ) - LFL2-BK-U-PVC5 - Ball with PVC Cable ( ; 350-2082 350-2082 ) - LFL2-BK-U-PUR5 - Ball with PUR Cable ( ; 350-2098 350-2098 ) - LFL2-BK-U-CSM5 - Ball with CSM Cable