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AC 24 V or DC 13.5…35 V 0...50 °C / − 35...+ 3 5 °C QFA2060 Active, DC 0...10 V 0...100 % Active, DC 0...10 V AC 24 V or DC 13.5…35 V Siemens Building Technologies CE1N1857en HVAC Products 06.06.2005...
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The measuring circuit, the sensing elements and the setting element are located on the printed circuit board inside the casing. The baseplate carries the connecting terminals. Siemens Building Technologies Room sensors QFA20… CE1N1857en HVAC Products 06.06.2005...
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The end of the conduit at the sensor must be sealed to prevent false measurements due to draughts through the conduit. Installation instructions Installation instructions are printed on the packing. Siemens Building Technologies Room sensors QFA20… CE1N1857en HVAC Products 06.06.2005...
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Degree of protection Housing IP 30 to IEC 529 Safety class III to EN 60 730 1 × 2.5 mm oder 2 × 1.5 mm Electrical connections Screw terminals for Siemens Building Technologies Room sensors QFA20… CE1N1857en HVAC Products 06.06.2005...
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EN 61 000-6-3 conformity to EMC directive 89/336/EEC conformity to Australian EMC framework Radio Communication Act 1992 Radio Interference Emission Standard AS / NZS 3548 Weight Incl. packaging approx. 0.13 kg Siemens Building Technologies Room sensors QFA20… CE1N1857en HVAC Products 06.06.2005...