Approval/Certificate/Document of Conformity
[13]
Schedule
[14] EU-TYPE EXAMINATION CERTIFICATE No.
DEMKO 15 ATEX 1346U Rev. 1
00-IC-F0056-2 – Issue 20.0
This certificate may only be reproduced in its entirety and without any change, schedule included. Page 2 of 3
[15] Description of Component:
Feed through terminal blocks type WDK are for the connection of copper conductors in enclosures. The type of protection is increased
safety, “e”, insulating parts made of Wellamid, with optional accessories, type WQV screw in cross-connectors, type ZQV plug-in cross-
connectors, type LS2.8 shield bus, type WEW end brackets, type WTW partitions and type WAP-WDK end plates for fixing on
mounting rails.
TYPE
Rated
voltage
(V)
Rated
current
(A)
Resistance
across
terminals
(uΩ)
top/lower
Cross
section
(mm
2
)
Strip
length
for
min
wire
size
(mm)
Solid wire
size
(mm
2
)
Stranded
wire size
(mm
2
)
Flexible
wire size
(mm
2
)
Conductor
range for 2
wires
(mm
2
)
WDK
1.5/R3.5
275
15
496/883
1.5
7
0,13-1,5
0,13-1,5
0,13-1,5
0,5-0,75
WDK 2.5
275
21
301/522
2.5
10
0,13-4,0
0,13-4,0
0,13-4,0
0,13-1,5
WDK 2.5
ZQV
275
21
299/566
2.5
10
0,13-4,0
0,13-4,0
0,13-4,0
0,13-1,5
WDK 2.5/EX
550
22
311/494
2.5
10
0,13-4,0
0,13-4,0
0,13-4,0
0,13-1,5
WDK
2.5DU-PE
275
23
372/ 1137
2.5
10
0,13-4,0
0,13-4,0
0,13-4,0
0,13-1,5
WDK 2.5N
550
21
262/427
2.5
8
0,13-4,0
0,13-4,0
0,13-4,0
0,13-1,5
WDK 2.5N
DU-PE
550
24
297/939
2.5
8
0,13-4,0
0,13-4,0
0,13-4,0
0,13-1,5
WDK 2.5N
V
550
24
269/420
2.5
8
0,13-4,0
0,13-4,0
0,13-4,0
0,13-1,5
WDK
2.5N/PE
PE
PE
1129
2.5
8
0,13-4,0
0,13-4,0
0,13-4,0
0,13-1,5
WDK 2.5PE
PE
PE
1056
2.5
10
0,13-4,0
0,13-4,0
0,13-4,0
0,13-1,5
WDK 2.5V
275
24
292/475
2.5
10
0,13-4,0
0,13-4,0
0,13-4,0
0,13-1,5
WDK 4N
550
30
232/365
4
8
0,13-6,0
0,13-6,0
0,13-4,0
0,13-1,5
WDK 4N
DU-PE
550
30
222/735
4
8
0,13-6,0
0,13-6,0
0,13-4,0
0,13-1,5
WDK 4N PE
PE
PE
690
4
8
0,13-6,0
0,13-6,0
0,13-4,0
0,13-1,5
WDK 4N V
550
30
224/339
4
8
0,13-6,0
0,13-6,0
0,13-4,0
0,13-1,5
ZQV
1.5/R3.5
See NTI
See NTI
N/A
N/A
N/A
N/A
N/A
N/A
N/A
WQV 2.5
See NTI
See NTI
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Q2 AKZ4
See NTI
See NTI
N/A
N/A
N/A
N/A
N/A
N/A
N/A
ZQV 2.5N
See NTI
See NTI
N/A
N/A
N/A
N/A
N/A
N/A
N/A
ZQV 4N
See NTI
See NTI
N/A
N/A
N/A
N/A
N/A
N/A
N/A
WAP 2.5-10
See
NTI
See NTI
N/A
N/A
N/A
N/A
N/A
N/A
N/A
WAP
See NTI
See NTI
N/A
N/A
N/A
N/A
N/A
N/A
N/A
WEW 35/1
See NTI
See NTI
N/A
N/A
N/A
N/A
N/A
N/A
N/A
WEW 35/2
See NTI
See NTI
N/A
N/A
N/A
N/A
N/A
N/A
N/A
WTW EN
See NTI
See NTI
N/A
N/A
N/A
N/A
N/A
N/A
N/A
LS2.8
See NTI
See NTI
N/A
N/A
N/A
N/A
N/A
N/A
N/A
NOTE: NTI = Notice to installer
Temperature range
The service temperature range is -60 °C to +110 °C.
Routine tests
According to EN 60079-7 clause 7.1 in combination with clause 6.1 a dielectric strength test has to be carried out. The routine tests
may be performed on a statistical basis according to ISO 2859-1 with an acceptance quality limit (AQL) of 0,04. Routine test is to be
carried out according to Weidmüller procedure “High voltage test” Document -NR: A_10_54.
[16] Descriptive Documents
The scheduled documents are listed in the report no. provided under item no. [ 8 ] on page 1 of this EU-Type Examination Certificate.