Electrical monitoring of the level of accumulated dirt. Continuous monitoring Insensitive to dust and moisture Reduction of potential damage with non-essential maintenance No readjustment of the switching point necessary Switch accuracy independent of component tolerances Electronic signal when admitted differential pressure has been reached (clean air outlet to environment) Electronic signal processing possible Enclosed contact insert Pressure-dependent (not mechanical) Snap element (core element) Spring contacts not affected to contact erosion Material: PA6-GF30 Switching pressure (negative pressure): 35 mbar to 80 mbar (3.5 kPa to 8.0 kPa) Max. switching capacity: 6W/24V DC (ohmic load, Umax = 24 V, Imax = 0.25 A) Different connection threads and connector versions available