In serially available version the hatch is intended for emergency use only (without EMC protection, without PTC in motor). Smoke-free escape ways increase the chances to rescue people in case of fire. MRH, motorised roof hatch is used in case of fire to extract smoke gases from the room. On request: installation on inclined roof, F300 fans, decorative painting, supply/pressurisation unit.Indication for opened/closed cover position (switches).Serially equipped with power supply for actuators 230V AC -> 24V DC.Electrically operated spindle actuator for cover opening.Insulation thickness: walls 120 mm, cover 150 mm.CPR certificate by BSI (Notified Body 2797). ![]() ![]() Axial smoke and heat extract fan with motor inside air stream.MRH roof hatch with axial fan for smoke and heat extraction
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