SUCO-Diaphragm Pressure Switch SW 27,changeover, Voltage: 250 V, Connection: Integrated 5m cable, Adjustment range: 10 to 20 bar, Overpressure: 300 bar, Diaphragm: FFKM, Housing: Zinc-plated steel (Cr VI-free), Thread: G 1/4, ATEX, II 3D Ex tc IIIC T90°C Dc (dust-protected zone 22)