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¬ Utilises universal LED for efficient illumination
IP54 / IP44
The DG gas pressure switch monitors extremely low pressure changes and triggers a set function (swtich-on
3-pos output
recycling and post-purge after a loss of flame
Siemens QPD15.003 Differential Pressure Switch model_skp25_012u1 ¬ Utilises universal LED forThe QPD differential pressure switches are used for monitoring air pressures and air flows. When the pressure falls below or exceeds the adjusted switching point, the respective electrical circuit will be opened or changes over. Specifiactions: For the supervision of air pressures or air flows of oil or gas fired equipment (burners, boilers, furnaces) QPD15 are suitable as absolute or differential pressure Adjustable working pressure ranges up to 5