Systemair MRH 400-2-1.1-F400 - Axial roof fan 400°/2h, insulated, flat installation

MRH roof hatch with axial fan for smoke and heat extraction • Vertical exhaust • Axial smoke and heat extract fan with motor inside air stream • Tested to F400 (400°C/2h) requirement up to EN 12101-3 • SL 1000 respectively SL 1250 at size 1250 (EN 12101-3) • WL 1500 (EN 12101-2), wind suction load • CPR certificate by BSI (Notified Body 2797) • Insulation thickness: walls 120 mm, cover 150 mm • Thermal transmittance class T2 • Electrically operated spindle actuator for cover opening • Serially equipped with power supply for actuators 230V AC --> 24V DC • Indication for opened/closed cover position (switches) • Installation on flat roof • Robust structure • Sucking side connection acc. Eurovent 1/2 • Exhaust protective grid is included • On request: installation on inclined roof, F300 fans, decorative painting, supply/pressurisation unit MRH, motorised roof hatch is used in case of fire to extract smoke gases from the room. Smoke-free escape ways increase the chances to rescue people in case of fire. In ser...