Vacuum switch; Change-over contact; Diaphragm NBR; Setting scale; 250VAC/6A; 24VDC/2A; Connection Polyamide 6,5mm; Application: Air, Water, Neutral oils; Protection class See Protection cap (Max. IP65); Range of adjustment -50...-125mbar; Overpressure protection 0,5bar; Hysteresis range 20mbar