Busch room air sensor CO2, security technology, Busch room air sensor, Busch room air sensor CO2 For controlling the supply of fresh air in rooms by opening or switching windows/fans. With display for carbon dioxide, air humidity, temperature and air pressure. Setting values: carbon dioxide 800 ppm. 1500 ppm, air humidity 40%. 95%. With 2 potential-free relay contacts. Nominal voltage: 230 V~ Nominal current 6 A cos = 1 Without expansion fastening. Suitable for central plate 6435-xxx.
