Charging Pressure of driving gas (at 20℃):15Mpa Max working pressure:17.2Mpa Spraying time of extinguishing agent:≤60s Charging pressure of N2 cylinder at 20℃:6Mpa Working power supply:AC 220V/50Hz Spare power supply:DC 24V Working temperature:0℃~+50℃ Actuating means:Automatic, electric, manual, mechanic operation at emergency