pressure switch, ATEX II 1/2G Ex ia IIB T4 Ga/Gb, II 2G Ex ia IIC T4 Gb, II 2D EX ia IIIB T135°C Db, change-over contact, diaphragm NBR, setting scale, 24VDC/100mA, male thread 1/4", application: air, water, neutral oils, range of adjustment 50...250mbar, overpressure protection 1bar, hysteresis range 20mbar
