| Type: | Electronic |
|---|---|
| Number of Switch: | Multi Control Switch |
| Usage: | Control Switch |
| Application: | Industrial |
| Explosion-proof Type: | Non Explosion-proof |
| Contact: | Normally Open |
| Customization: |
|---|
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Audited Supplier PS-LA3adopts a differential pressure to actuate a precision snap switch at chosen pressure setting. This may be the difference between atmospheric and a negative or positive pressure or between any two given pressures. When a change of pressure occurs between the negative pressure chamber and the positive pressure chamber the main diaphragm activates the snap switch at a pre-determined value.
It is manufactured from selected compound derivatives of polycarbonate & PBT offering exceptional thermal and dimensional stability at elevated temperatures up to 105°C when used in contaminated atmospheres of air, products of combustion, L.P. or natural gas. It has been designed to meet the low pressure, high temperature specifications of future generations of fanned gas and similar appliances where differential pressures form part of an integral control systems.
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2.Technical Parameter
| Media | Air , products of combustion, L.P. or natural gas |
| Mounting /Fixing | 4 screws with maximum penetration depth of 6.3mm into appropriate mounting holes, or fixed with optional bracket. |
| Mounting Position | The LFAS is position sensitive. It may be mounted in most positions provided it has been calibrated. |
| Field Adjustable Range | 0.4mbar to 8.0mbar make on positive or negative pressure rise. Minimum upper switching pressure 0.4mbar. Minimum lower switching pressure 0.2mbar. |
| Switch Differential | Not less than 0.1mb and not greater than 0.3mb depending on pressure settings. |
| Maximum Operating Pressure | 10mbar Pmax=50mbar. |
| Operating Temperature Range | 105°C Maximum |
| Electric Rating | 125V,250V, 5A single pole on-off or single pole change over. Other ratings are available on request. |
| Contact Arrangement | SPDT or SPST |
| Terminals | 6.3 or 4.88 mm male Q.C. Optional insulation cover available as necessary. |
| Calibration |
LFAS switches are normally calibrated at their lower switching pressure in accordance with customer requirements.
Ramp rate at switch point=0.03mb/second
|
| Calibration Tolerance | Standard production tolerance at ambient temperature is ± 0.10mb or ± 5% of set point, whichever is the greater. |
| Pressure Connections | 6mm O.D. push on or "Permifix" tubing. The lower (negative) connector may be supplied in any one of four positions for ease of installation. |
1. For each type, we can send you the detailed high-resolution pictures since we have the sample in our hand.
2. For packaging, we have the professional packaging starff, pls. don't worry about the shipping.
1. Delivery in time,delivery time is 7 days for sample and 15 working days for bulk order;
2. Strong production capacity and strict quality control system;
3. Your inquiry and problems related to our products or prices will be replied in 24 hours;
4. Well-trained and experienced staffs to answer all your inquires;
5. After-sale tracking service for all of our clients;
6. OEM is available; small quantities, mixed bulk orders are also welcome;
7. Payment: L/C, D/A, D/P, T/T, Paypal , Western Union, MoneyGram;
8. Delivery way: UPS, DHL, TNT, FEDEX, EMS, CHINA POST
Guarantee:
1.12 months warranty for most of our products;
2. We will arrange delivery of the goods on time;
3. Within the warranty period, we will bear all the quality problem of our products;
4. Beyond the warranty period, we will despatch the replacement parts to help fix the products, but the parts will be charged;
5. Without any problem, we will gain the feedbacks of our products to help improve better products.
Suppliers with verified business licenses
Audited Supplier 
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