ERM-Ex e semi-centrifugal duct fan

ERM-Ex model series

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Article ERM 18 Ex e ERM 22 Ex e ERM 25 Ex e
Produktdetails Produktdetails Produktdetails
  • On the notes
  • On the notes
  • On the notes
Product type Semi-centrifugal duct fan Semi-centrifugal duct fan Semi-centrifugal duct fan
Article number: 0080.0290 0080.0288 0080.0249
Air flow volume 310 m³/h 560 m³/h 870 m³/h
Rotating speed 2.780 1/min 2.860 1/min 2.820 1/min
Impeller type semi-radial semi-radial semi-radial
Speed controllable - - -
Type of voltage Alternating current Alternating current Alternating current
Rated voltage 230 V 230 V 230 V
Frequency 50 Hz 50 Hz 50 Hz
Nominal output 50 W 200 W 300 W
cosφ 0,9 0,92 0,93
Inom 0,25 A 0,92 A 1,4 A
Imax at UNominal 0,25 A 0,92 A 1,4 A
Degree of protection IP 54 IP 54 IP 54
Insulation class B B F
Mains cable 3 / 1,5 mm² 3 / 1,5 mm² 3 / 1,5 mm²
Installation position vertical / horizontal vertical / horizontal vertical / horizontal
Housing material Synthetic material Synthetic material Synthetic material
Colour Signal black, similar to RAL 9004 Signal black, similar to RAL 9004 Signal black, similar to RAL 9004
Weight 3,6 kg 6,5 kg 7,4 kg
Nominal size 180 mm 200 mm 250 mm
Width 262 mm 306 mm 340 mm
Height 252 mm 310 mm 337,5 mm
Depth 187 mm 269 mm 232 mm
EX designation in accordance with the ATEX Directive Ex II 2 G Ex II 2 G Ex II 2 G
EX designation in accordance with standard Ex e IIB + H<sub>2</sub> T4 Gb Ex e IIB + H<sub>2</sub> T3 Gb Ex e IIB + H<sub>2</sub> T3 Gb
Ta ambient temperature -20 °C ≤ Ta ≤ +50 °C -20 °C ≤ Ta ≤ +50 °C -20 °C ≤ Ta ≤ +50 °C
IA/IN 2,5 3,1 3,5
Time tE 50 sek 30 19
Operating mode S1 S1 S1
EC type examination certificate EX5 01 10 39250 006 EX5 01 06 39250 005 EX5 01 06 39250 004
Temperature class T4 T3 T3
Capacitor capacity / voltage 3µF/280V 12µF/280V 16µF/280V
Temperature class of insulating materials Th. Cl. 130 (B) 130 (B) 155 (F)
Packing unit 1 piece 1 piece 1 piece
Range C C C
EAN 4012799802907 4012799802884 4012799802495

* Blue markings show the differences between the products.

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