Proximity Sensor Sme-8-K-24-S6 Electric, with Reed Contact, for Drives with T-Slot, with Cable, without Led, Heat Resistant Design. Design=For T-Slot, Conforms to Standard=En 60947-5-2, Materials Note= (* Free of Copper and Ptfe, * Conforms to Rohs) , Measuring Principle=Reed Magnetic, Ambient Temperature=-40 - 120 ┬░C, Festo