Cabinet
It is made of anti-static plastic (TH-800 Ex) or steel sheet coated with black polyester paint (TH-1100 Ex, TH-1200 Ex).
Running wheel
is statically and dynamically balanced, the operating temperature range is from -20 to +40 °C.
Motor
is asynchronous with short armature, stator with cooling fins. Ball bearings have grease packing for life. Protection IP44, insulation class B.
Speed control
Non-explosion fans are not designed for speed control.
Square box
In explosion proof design, located on the fan housing including the explosion proof condenser. IP55 protection.
Mounting
Fans are mounted with a mounting base on horizontal roof structures or prefabricated masonry plinths.
Noise
emitted by the fan is given in the tables.
Accessories
- KAA Ex flexible cuff
- MS Ex motor protection
Instructions
Attention, the fans are in a special design for CR. The values In, Ia/In (2) and te (60 s) indicated on the fan label are decisive for the fitting of the safety elements and thus the safe operation of the fan. These values must be checked carefully after delivery of the fan.