Systemair DKEX 225-4 Centrifugal (ATEX) - Centrifugal roof fan, expl. proof, II 2G Ex h IIB+H2 T3 Gb

• Certified according to ATEX directive 2014/34/EU • Suitable for use in battery-charging rooms, fume cupboards and similar environments • Speed-controllable • Integral thermistors (PTC *) • Maintenance-free and reliable DKEX fans can be installed in any position, and their compact design makes them easy to install. These fans have impellers with forward-curved blades and external rotor motors. The casing is manufactured from galvanised sheet steel with a copper inlet cone. To protect the motor from overheating, PTC protective circuits in the motors must be connected to a monitoring apparatus certified according to ATEX directive 2014/34/EU that isolates the motor from voltage supply immediately when activated. We recommend to use UEK230E for motor protection. Explosion proof versions comply with EN 60079-7:2015, EN 14986:2007, EN 60079-0:2012. * Positive Temperature Coefficient