Interface relay: consists with:universal socket 6W-48-60V-U and relay RM699BV-3011-85-1048. Width: 6,2 mm. AgSnO2, 48V DC, Rated load AC1 - 6A/250 V; DC1 - 6A/30 V, Operating temperature °C -40…+70, Dimensions: 88,6 x 6,2 x 76 mm. IP 20. Mounting on 35 mm rail