The DVEX models have impellers with backward-curved blades and external rotor motors. The casing is made from aluminium and the base frame from galvanised steel, with a copper inlet cone.
To protect the motor from overheating these fans have integral thermistors (PTC) with external leads which must be connected to the U-EK230E motor protection relay.
Explosions proof version comply with EN 50014, 50019, EN 1127-1 and EN 13463-1. Improved safety in accordance with EEx e II T3. εx II 2G. Certified according to ATEX.
* Positive Temperature Coefficient