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In order to prevent the spread of smoke in buildings through ventilation and air-conditioning systems, it is important to detect smoke at an early stage. The duct smoke detector RM-O-M is used to control and trigger fire dampers or smoke protection dampers. The duct smoke detector operates on the principle of light scattering and detects the smoke regardless of its temperature, so that fire dampers close before their release temperature is reached. The fire dampers or smoke control dampers are closed in the event of interrupting the supply voltage to the spring return actuator (alarm relay R1). Product specification For more information download the product data sheet. Materials kg % Chemical 0,07 6,28 Electronic - Printed wiring board 0,19 16,01 Glass fibre reinforced plastic, polyamide 0,01 1,19 Metal - Aluminium 0,20 16,87 Metal - Galvanized Steel 0,01 0,80 Metal - Stainless steel 0,01 0,74 Plastic - Acrylonitrile butadiene styrene (ABS) 0,49 41,91 Plastic - Polycarbonate (PC) 0,12 10,07 Plastic - Polypropylene (PP) 0,00 0,22 Product label - supercalendered 0,00 0,09 Rubber, synthetic 0,07 5,83 Total 1,16 Packaging kg % Packaging - Cardboard 0,42 88,30 Packaging - Paper 0,06 11,67 Packaging - Plastic 0,00 0,02 Total incl. packaging 1,63