The air switch utilizes two high-quality miniature snap-action switches with higher current capacity, SPST or SPDT contact form and switch dead bands. The switch is diaphragm operated. Diaphragm material can be selected according to the operating medium, temperature range and other parameters.
The pressure switch can control the system pressure in a steady range by adjusting the operating pressure and the differential pressure of the two snap-action switches.
Technical Data
| Model | HS-2 |
| Medium | Non hazardous gas |
| Operating Pressure Range | 20-800 mbar |
| Proof Pressure | 1 Bar |
| Operating Temperature Range | -10℃ to +85℃ |
| Contact Arrangement | SPST or SPDT |
| Electrical Rating | 25Amps@240VAC,2HP/1HP@120VAC, 21Amps@240VAC,2HP/1HP@120VAC, 10Amps@240VAC , 5Amps@240VAC |
| Terminals | 6.35 or 4.88 mm male Q.C. |
| Connection | Inlet 4.0mm for tube connection (Option: 1/8 NPT or other fittings are available) |
Note:1 PSI=68.95 mbar, 1 Bar=100 kPa=1000 mbar




Company Brief : Qiangli Industrial Co., Ltd. is a manufacturer of air pressure switches, water pressure switches, differential pressure switches and pressure control devices with high performance and reliability. Our pressure switches have set the standards for accuracy, quality, and dependability in industry...