For monitoring air filters, system pressure and fan operation. Complete, ready-to-install set: pressure difference switch, mounting bracket, hose connections Ø 4/6 mm, connection hose 2 m, Ø 4 mm and two connection nipples. Gold-plated connection contacts, suitable for DDC applications (24 V=, 0.1 A). Max. ambient temperature 60 °C. Switching difference < 40 Pa, Umax.= 250 V, Imax = 3 A, protection class IP 54. ,
