DZD-Ex e- DN 250

Three-phase AC fans, DN 250, air volume 820 m³/h to 1,700 m³/h (medium: gas)

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Article	DZD 25/4 B Ex e	DZD 25/2 B Ex e
	Product details	Product details
Notes

Article

DZD 25/4 B Ex e

Axial roof fan, horizontal air outlet, DN250, three-phase AC, explosion-proof, medium: gas

DZD 25/2 B Ex e

Axial roof fan, horizontal air outlet, DN250, three-phase AC, explosion-proof, medium: gas

Article	DZD 25/4 B Ex e	DZD 25/2 B Ex e
	Product details	Product details

Product type	Axial roof fan	Axial roof fan
Article number:	0087.0796	0087.0797
Air flow volume	800 m³/h	1.600 m³/h
Rotating speed	1.475 1/min	2.870 1/min
Impeller type	axial	axial
Air direction	Ventilation and air extraction	Ventilation and air extraction
Speed controllable	✔	✔
Reversing capacity	✔	✔
Type of voltage	Three-phase AC	Three-phase AC
Rated voltage	400 V	400 V
Frequency	50 Hz	50 Hz
Nominal output	38 W	140 W
cosφ	0,28	0,69
I_nom	0,19 A	0,29 A
I_maxat U_Nominal	0,19 A	0,39 A
Degree of protection	IP 64	IP 64
Insulation class	F	F
Installation site	Roof	Roof
Installation position	vertical	vertical
Material	Sheet steel, galvanised	Sheet steel, galvanised
Housing material	Sheet steel, galvanised	Sheet steel, galvanised
Colour	galvanised	galvanised
Weight	14,25 kg	14,57 kg
Weight including packaging	16,67 kg	16,99 kg
Nominal size	250 mm	250 mm
Width	570 mm	570 mm
Height	325 mm	325 mm
Depth	570 mm	570 mm
Width with packaging	610 mm	610 mm
Height with packaging	360 mm	360 mm
Depth with packaging	610 mm	610 mm
EX designation in accordance with the ATEX Directive	Ex II 2 G	Ex II 2 G
EX designation in accordance with standard	Ex eb IIB + H₂ T3 Gb / Ex h IIB + H₂ T3 Gb	Ex eb IIB + H₂ T4 Gb / Ex h IIB + H₂ T4 Gb
Ta ambient temperature	-20 °C ≤ Ta ≤ +60 °C	-20 °C ≤ Ta ≤ +40 °C
I_A/I_N	3,7	5,9
Time t_A	450 sek	69 sek
Operating mode	S1	S1
PTC DIN 44082	M 100	M 100
EC type examination certificate	TÜV-A 19 ATEX0104 X, IECEx EPS 19.0020X	TÜV-A 19 ATEX0104 X, IECEx EPS 19.0020X
Temperature class	T3	T4
Temperature class of insulating materials Th. Cl.	155 (F)	155 (F)
Packing unit	1 piece	1 piece
Range	C	C
GTIN (EAN)	4012799877967	4012799877974

* Blue markings show the differences between the products.

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