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A412 상시 개방형 공기압 스위치 (20-50Pa, 온수기용)
The A412 is a normally open air pressure switch that its working pressure range is from 20 to 50Pa which belongs to the negative type, it is widely used in water heater, wall-hanging boiler, and some system need to detect the air flow and pressure. Like the commercial air conditioner, VAV sytem.
A412 Normally Open Air Pressure Switch
Normally Open Air Pressure Switch Description
REGAL A412 normally open air pressure switch is suitable for many kinds of devices, especially for the water heater. It uses the integrated switch & diaphragm separate body structure design, with this design the A412 can control the pressure at a high precision, which is ±3Pa. Meanwhile, we also got the letters patent for this design. Please contact us get more details information.
Besides, if your design has some requirements for the switch installation, we also have different terminals’ quantities, sizes, and directions for your options. Which can fit different installations. Generally, we have the negative and positive pressure switches for your options but the default type is the negative, welcome click the link to see more about our air pressure switches.
What’s more, the A412 normally open air pressure switch also has a wide range working temperature range, which is from -40 to +110℃ so that we can use it no matter in summer or winter. People will not effect by the weather problem.
All in all, REGAL is a professional air pressure switch manufacturer in China, welcome to contact us we are warmly welcome you and us to discuss a long-term business relationship or OEM project. Thank you very much!
A4 Air Pressure Switch Size

A412 Normally Open Air Pressure Switch Specification
| 모델 번호 | A412 Normally Open Air Pressure Switch |
| 작업 매체 | 공기 또는 배기가스 |
| 터미널 종류 | 표준 187 퀵 커넥트(4.8*0.5mm) |
| 튜브 인터페이스 | 외경 6.3mm로 내경 5mm 튜브에 적합합니다. |
| 회로 | SPST 번호 |
| 평가 | 1A 24VDC & 0.5A 125/250VAC |
| 내전압 | 3000Pa(0.5Psi) |
| 전기 수명 | 25000000 사이클 |
| 가스 회수 배출구 | 부정적인 |
| 작동 온도 | -40℃ ~ +110℃ |











