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Personne àcontacter Mr. Leno
Weishiwu road, YueQing, ZheJiang
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. The LFAS pressure cut-off switch is manufactured from selected compound derivatives of polycarbonate & PBT offering exceptional thermal and dimensional stability at elevated temperatures up to **5 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. LFAS Media Air, products of combustion, L.P. or natural gas Mounting: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:*0mbar Pmax=*0mbar. Operating Temperature Range **5 Maximum Electric Rating **5V, **0V, 5A Contact Arrangement SPDT or SPST Terminals 6.3 or 4.*8 mm male ***** Calibration Tolerance: Standard production tolerance at ambient temperature is ± 0.1
