Adjustable float switches Type code Ordering examples s. page 222 Position 1 2 3 Version Magnetic float switch Output type reed contact Combination switching tube/floats Type M A F Min./max. dimensions Material floats Tank cable gland R1.5" 228 1.4571 Ø52 x 55 PVC Ø52 x 55 N V Material switching tube Material connecting head Flange enclosures DN65 Ø185 - Combination switching tube/float (technical data see page 234 ff) Sensing distances for falling levels Flange enclosures DN50 Ø165 4 1.4571 / 1.4571 G-AI Si 12 –– MS 63 –– –– PVC / Polyester PVC –– D N V 1.4571 / 1.4571 G-AI Si 12 –– MS 63 –– –– PVC / Polyester PVC –– D N V 1.4571 / 1.4571 G-AI Si 12 –– MS 63 –– –– PVC / Polyester PVC –– D Connecting head VST F Length Version Other lengths (mm) on request Switching devices without switching modules! Order separately, please! Length F / Terminal housing Note! Switching module Max. number switching modules/ switching units Normally-closed contact/ normally-open contact FL165 FL185 R1.5 250 mm Lengths 1000 mm 750 mm Changeover contact 500 mm Normally-closed contact/ normally-open contact 250 mm Lengths Changeover contact 250 / 500 /750 / 1000 491.0007.069 491.6007.075 2/3/4/4 2/3/3/3 250 / 500 /750 / 1000 491.0007.069 491.6007.075 2/3/4/4 2/3/3/3 250 / 500 /750 / 1000 491.0007.069 491.6007.075 2/3/4/4 2/3/3/3 250 / 500 /750 / 1000 491.0007.069 491.6007.075 2/3/4/4 2/3/3/3 250 / 500 /750 / 1000 491.0007.069 491.6007.075 2/3/4/4 2/3/3/3 250 / 500 /750 / 1000 491.0007.069 491.6007.075 2/3/4/4 2/3/3/3 250 / 500 /750 / 1000 491.0007.069 491.6007.075 2/3/4/4 2/3/3/3 250 / 500 /750 / 1000 491.0007.069 491.6007.075 2/3/4/4 2/3/3/3 250 / 500 /750 / 1000 491.0007.069 491.6007.075 2/3/4/4 2/3/3/3 229 Sensors Adjustable 8 1000 mm 7 750 mm 6 500 mm 5 Adjustable float switches Type code Ordering examples s. page 222 Position 1 2 3 Version Magnetic float switch Output type reed contact Combination switching tube/floats Type M A F Min./max. dimensions - Combination switching tube/float (technical data see page 234 ff) Material floats 1.4571 Ø52 x 55 PVC Ø52 x 55 N V Material switching tube Material connecting head Sensing distances for falling levels Tank cable gland R2" 4 1.4571 / 1.4571 G-AI Si 12 –– MS 63 –– –– PVC / Polyester PVC –– D G-AI Si 12 1.4571 N V G-AI Si 12 MS 63 P L G-AI Si 12 –– D G-AI Si 12 1.4571 –– –– G-AI Si 12 MS 63 protect.: CuZN37 P L G-AI Si 12 PVC –– –– Flange enclosures Ø120 Flange enclosures Ø120 with gush protection 230 PVC Connecting head VST F Length Version Other lengths (mm) on request Switching devices without switching modules! Order separately, please! Length F / Terminal housing Note! Switching module Max. number switching modules/ switching units Normally-closed contact/ normally-open contact R2 FL120 FLS120 250 mm Lengths 1000 mm 750 mm Changeover contact 500 mm Normally-closed contact/ normally-open contact 250 mm Lengths Changeover contact 250 / 500 /750 / 1000 491.0007.069 491.6007.075 2/3/4/4 2/3/3/3 250 / 500 /750 / 1000 491.0007.069 491.6007.075 2/3/4/4 2/3/3/3 250 / 500 /750 / 1000 491.0007.069 491.6007.075 2/3/4/4 2/3/3/3 250 / 500 /750 / 1000 491.0007.069 491.6007.075 2/3/4/4 2/3/3/3 250 / 500 /750 / 1000 491.0007.069 491.6007.075 2/3/4/4 2/3/3/3 250 / 500 /750 / 1000 491.0007.069 491.6007.075 2/3/4/4 2/3/3/3 250 / 500 /750 / 1000 491.0007.069 491.6007.075 2/3/4/4 2/3/3/3 250 / 500 /750 / 1000 491.0007.069 491.6007.075 2/3/4/4 2/3/3/3 250 / 500 /750 / 1000 491.0007.069 491.6007.075 2/3/4/4 2/3/3/3 231 Sensors Adjustable 8 1000 mm 7 750 mm 6 500 mm 5