KVD 250/4/50/30 EX
KVD 250/4/50/30 EX
RECTANGULAR CENTRIFUGAL FAN 3 PH, EXPLOSION PROOF II 2G Ex h IIB T3
Ref.-No. 06811
Features
Rectangular-centrifugal fan for direct installation in rectangular duct system, explosion proof according to ATEX. Casing made from galvanised steel and flanged on both ends, compact design, service friendly (cleaning) through swing out motor and impeller unit. Forward curved impeller made from galvanised steel, highly efficient with low-noise levels. Aerodynamically optimised scroll and bell mouth inlet. Motor and impeller unit dynamically balanced. Totally enclosed, 3-phase external rotor motor, explosion proof according to ATEX. With built-in PTC-resistors which must be connected to a special motor protection unit MSA (accessories). Through this a speed control is permitted (Make sure that a minimum voltage of 100 V is maintained. Maintenance free, low-noise sealed for life ball bearings.Additional data and accessories
Technical Data
General Information
| Ref.-No.: | 06811 |
|---|---|
| Type: | KVD 250/4/50/30 EX |
| Flow rate free-blowing: | 2300 m³/h |
| Speed control: | TRAFO |
| RPM: | 1240 min-1 |
| Number of poles: | 4 |
| Voltage: | 400 V , 3 ph , 50 Hz |
| Rated current (FLC) uncontrolled: | 1.5 A |
| Max. air flow temperature (controlled): | 40 °C |
| Max. air flow temperature (uncontrolled): | 40 °C |
| Explosion proof: | |
| IP protection category: | 44 |
| Insulation class: | B |
| Duct dimension: | 50/30 mm |
| Weight: | 21 kg |
| Wiring diagram no.: | 899 |