1. Control Power Supply: 220VAC,380W
2. Operating Positive Pressure Range: 150Pa–900Pa
900Pa: Automatic air exhaust，<150Pa: Automatic air replenishment
3. Critical Positive Pressure Values: 1000Pa: Manual air exhaust
<70Pa: Automatic power cut-off
4. Air Source: Clean air or protective gas with pressure ≥0.4MPa
5. Hazardous Ratings: Zone 1/2, Zone 21/22