Differential pressure switch used for Air and other non-combustible, non-aggressive ... non-combustible, non-aggressive gasesMonitor overpressure, vacuum and differential pressure for air and compatible gases.Possible applications are:monitor air ... max. 2A/250VAC, max. frequency 6 switching cycles/minElectrical connection: 3 screw terminalsRepeatability: ±2%Materials: housing PC, cover PC, diaphragm ...