مفتاح ضغط هواء مفتوح عادةً A412، 20-50 باسكال، لسخان المياه
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
| رقم الموديل | A412 Normally Open Air Pressure Switch |
| وسيلة العمل | الهواء أو غاز الذيل |
| أنواع المحطات الطرفية | وصلة سريعة قياسية 187 (4.8*0.5 مم) |
| واجهة الأنبوب | قطر خارجي 6.3 مم، وهو مناسب لأنبوب بقطر داخلي 5 مم |
| الدائرة | SPST NO |
| تصنيف | 1A 24Vالعاصمة واشنطن & 0.5A 125/250VAC |
| تحمل الجهد | 3000 باسكال (0.5 رطل لكل بوصة مربعة) |
| الحياة الكهربائية | 25000000 دورة |
| مخرج استعادة الغاز | سلبي |
| درجة حرارة التشغيل | من -40 إلى +110 درجة مئوية |
