Systemair KBR/F 280D2-4 smoke extr. F400 - Centrifugal box fan, 400°C/2h, insulated

Integral cold conductor (PTC) Speed-controllable via frequency converter Max temperature of transported air up to 200°C 400°/120 min (F400) Insulated casing Low sound level Tested acc. to EN 12101-3 at LGAI Barcelona CE-certified acc. to EN 12101-3, 2002-06 at TÜV Süd The KBR/F 280 D2 and D2-4 fans smoke extract unit are used in case of fire to extract smoke gases from rooms, and also during normal working conditions for standard temperature up to 200°C. The KBR/F units have backward curved impellers made of galvanized steel expect size 355 which is a steel impeller painted RAL 9005.The unit have a swing out door for easy inspection and service. The direction of the door opening can easily be changed from left to right at site. The fans have a double isolated casing with 50 mm rock wool inside. To protect the motors from overheating the KBR/F 280 D2 and D2-4 fans have integral cold conductors (PTC) with external leads for connection to a motor protection device. In case of fire all protective devices must ...