Rectangular duct fan with casing manufactured from galvanised sheet steel with a copper inlet cone.
Voltage controllable external rotor motors with pre-attached cable.
Radial impeller with forward curved blades made from galvanised steel.
Speed controllable via a 5-stage transformer.
Motor protection via PTC thermistors, combined with a separately-connected motor protection device.
The fans can be used for temperature classes T1, T2 and T3 classification in accordance with ATEX 94/9/EC.
Conveyance of potentially explosive gases in Zone 1 and Zone 2, Groups IIA and IIB as well as for applications with hydrogen is also possible.