Cabinet
The base is made of galvanized steel plate, the suction ring is made of brass. The motor mounts are stainless steel, the discharge grille, canopy and other metal components are electroplated. The engine lies outside the air stream. The casing contains bird protection. The air exhaust is horizontal.
Running wheel
is radial with backward curved blades, made of galvanized steel with aluminum hub. Thanks to its special design, it has a high efficiency, it is statically and dynamically balanced. The operating temperature is from -20 to +60 °C.
Motor
is asynchronous with short armature, stator with cooling fins, in 4,6 and 8 pole versions Motor insulation is class F. Protection class IP55. Connection voltage 230/400 V-50 Hz.
Square box
is located under the fan cover. The terminal block is of explosion-proof design.
Speed control
The fans cannot be electrically or electronically controlled as standard. PTC motors with thermal protection can be supplied on request, regulated by recommended frequency converters.
Noise
The tables show the sound pressure measured in the free acoustic field at a distance of 1.5 m. In the performance characteristics on the intake side (green) and on the discharge side (blue).
Accessories
- JBS mounting base
- JMS mounting frame
- JPA adapter for flange connection
Instructions
Inquire about special designs and currently available special accessories. Ask for information on delivery dates. Please note that the fans are in a special design for the Czech Republic. Spare parts supplied as standard by the manufacturer or trade organisations cannot be used.