8
explosion-proof roof fan
WPA-D-N /Ex
04.06.2019
Fan
Motor rate
[kW]
Current
[A]
Motor type
Cable
W1, W2
G-Y protective
cable W3, W4
WP-5-D-N/Ex
0,55
1,4
SKh 71-2B; 3x400V; 50 Hz
2720 r.p.m.; IMV1; BESEL
should be
selected
by User
H05V-K 1G6
WP-6-D-N/Ex
0,75
1,8
SKh 80-2A; 3x400V; 50 Hz;
2760 r.p.m.; IMV1; BESEL
WP-7-D-N/Ex
1,1
2,4
SKh80-2B; 3x400V; 50 Hz;
2780 r.p.m.; IMV1; BESEL
WP-8-D-N/Ex
1,5
3,5
SKh 90S-2; 3x400V; 50 Hz;
2850 r.p.m.; IMV1; INDUKTA
WP-9-D-N/Ex
2,2
4,7
SKg 90L-2; 3x400V; 50 Hz;
2860 r.p.m.; IMV1; INDUKTA
WP-10-D-N/Ex
4,0
7,5
SKg 112M-2; 3x400V; 50 Hz
2875 r.p.m.; IMV1; INDUKTA
Caution
: The steel plate for current-equilibrating connections
– as in the Fig. No 1012-017078 of mechanical documentation
– referring the fans
WPA-10-D-N/Ex
;
WPA-10-E-N/Ex
.
Caution
:
1. Supply voltage:
3x400V
;
50Hz
2. Continuous work
S1
3. Ingress protection
IP56
4. Ambient temperature: -
20ºC
up to +
40ºC
5. Insulation class
F
6. To the fan housing connect the grounding cable
of length 400mm, ended with a
KOI
terminal.
7. Installations and devices for use in areas of
explosion risk
– should be executed according to
–
arrangements of the 2014/34/EC ATEX Directive,
–
valid regulations and standards.
*
S1
isolating switch
– in Ex execution. It is suggested to install
it near the fan. The application of the isolating switch is not
obligatory and depends on the decision of Investor.
Cables
W1
,
W2
have to be selected by Investor, with reference
to the fan motor rate, cable length, outline of the cable, voltage
drop.
W3
,
W4
are cables for local equilibrating connections of cross-
section 6mm
2
, length 300 mm, ended with adequately selected
eye terminals, designed for connection to the fan fitting pieces.
CAUTION
: The motor windings must be connected according
to the data on the nominal data plate of the motor and the
connection diagram (placed on the terminal box of the motor).
Fig. No. 4
– Connection diagram of the fan WPA-D-N/Ex
