Vacuum-pressure switch; Change-over contact; Diaphragm NBR; 250VAC/4A, 24VDC/3A; Female thread 1/4"; Application: Air, Water, Hydraulic oil; Protection class IP65; Connector size 32mm; Range of adjustment -0,15...-0,85bar; Overpressure protection 20bar; Hysteresis range 0,10…0,25bar; Without connector