The mechanical rotary paddle point level switch Soliswitch FTE20-AA11AA31 from Endress+Hauser with relay output is the ideal sensor for level detection as well as full, empty and demand alerts in bulk solids silos. The robust polycarbonate enclosure enables use in non-hazardous areas and offers IP66 protection. With a sensor length of 3" (75 mm), it measures media from a density of 80 g/l. The Soliswitch FTE20-AA11AA31 rotary paddle point level switch with M20 x 1.5 cable entry and process connection 1 1/2" NPT is the perfect solution for level monitoring.