Approval/Certificate/Document of Conformity
 Job Id: 262.1-000421-6  
Certificate No:  TAE00003F0 
Form code: TA 251  Revision: 2016-12  www.dnvgl.com Page 2 of 3
Product description 
Terminal block type W-Series. 
WD…  Feed – through terminal, ExeII 
WSI…  Fuse terminal block 
WPE…  Protective earth terminal block,ExeII 
WNT…  N-disconnect terminal block 
WTR…  Terminal block with disconnect link 
Type 
Designation 
Current  Rated 
Voltage
Rated 
cross- section
(A)  (V) (mm
2
 )
WDU 1,5/ZZ  17,5 800  1,5 
WDU 2,5/1,5/ZR  24 800  2,5 
WDU 2.5  24  800 2,5
WDU 2.5N 
24 
500 2,5
WDU 2.5N ZQV  24  500 2,5
WDU 4  32  800 4
WDU 6  41  800 6
WDU 10  57  1000 10
WDU 16  76  1000 16
WDU 35  125  1000 35
WDU 50N  150  1000  50 
WDU 70N  192  1000  70 
WDU 70/95  232  1000 70
WDU 95N/120N  269  1000  120 
WDU 120/150  269  1000 120
WDK 2.5  24  400 2,5
WSI 6  6.3  500 6
WSI 6/2  6.3  500 6
WPE 2,5 
800 2,5
WPE 4 
800 4
WPE 6 
800 6
WPE 10 
800 10
WPE 16 
1000 16
WPE 35 
800 35
WNT 2,5  24  400 2,5
WNT 4  32  400 4
WNT 6  41  400 6
WNT 10 
57 
400 10
WTR 2,5 
24 
800 2,5
Application/Limitation 
For use in both safe and hazardous area based on valid separate Ex certificates to be provided together 
with type approval certificate. 
The information related to Ex-certification from recognised test institution is given as information only. 
Ex installations to be approved in each case according to the valid Rules and Ex-Certification/ Special 
Condition for Safe Use listed in valid Ex-certificate issued by a notified/recognized Certification Body. 
Tracking index: CTI 600, Overvoltage category: III, Insulation material: Wemid, Pollution degree: 3 



