Product catalogue | Terminals | Screwing technology | W-series modular terminals | Modular feed-through terminals | W-
Standard | 2,5 mm²
General ordering data 1020000000
Material number WDU 2.5
Part designation Feed-through terminal, 2.5 mm², Screw
Version connection, Wemid, dark beige
EAN 4008190099633
Qty. 100 pc(s).
Product notes
Note, ordering data Rated voltage 400V when using cross-connection
ZQV. See section "W-series accessories" for
Note, technical data colours available.
2.5 mm² conductor with wire end ferrule plus
Note, accessories plastic collar only with collar optimised for
diameter (order No. 1333100000, 500 pcs)
Product description Socket and test plug, see section "W Series
accessories". Ensure 2.5 mm² max. when using
Approvals the WQB. Shielding rail LS 2.8 1056400000.
Approvals institutes Their small size compared to the respective rated
cross-section makes the modular terminals with
IECEx/ATEX rating data the compact design very popular.
Certificate no.
ATEX certificate CSA; CSAEX; CURUSEX; DETNORVER;
ATEX certificate GERMLLOYD; GOSTEX; IECEXULD;
Certificate no. KEMAATEX; KEMAKEUR; LLOYDSREG;
IEC Ex certificate MARITREG; NEMKO; RINA; UR; BURVER;
GOSTME25
KEMA98ATEX1683U
KEMA98ATEX1683U_d.pdf
KEMA98ATEX1683U_e.pdf
IECEXULD05.0008U
IECEXULD05.0008U_e.pdf
-1-
Product catalogue | Terminals | Screwing technology | W-series modular terminals | Modular feed-through terminals | W-
Standard | 2,5 mm²
IECEx/ATEX rating data 550 V
max. voltage 21 A
Current (ATEX) 2.5 mm²
Conductor cross-section, max. 550 V
max. voltage 20 A
Current (IECEX) 2.5 mm²
Conductor cross-section, max. CrossConnectionGuide.pdf
Voltage when using cross-connections For operating temperature range see EC Design
Operating temperature range Test Certificate / IEC Ex-Certificate of Conformity
Ex e II
Marking EN 60079-7 Ex II 2 G D
Marking ATEX Directive 94/9/EC
2 clampable conductors (H05V/H07V) with
equal cross-section (rated connection)
Conductor cross-section, solid, 2 clampable 0.5 mm²
conductor
Conductor cross-section, solid, max. 1.5 mm²
Conductor cross-section, flexible, 2 clampable 0.5 mm²
conductor, min.
Conductor cross-section, flexible, 2 clampable 1.5 mm²
conductor, max.
Conductor cross-section, flexible plus plastic collar 0.5 mm²
DIN 46228/1, 2 clampable conductor, min.
Conductor cross-section, flexible plus plastic collar 1.5 mm²
DIN 46228/1, 2 clampable conductor, max.
Additional technical data dark beige
Colour of insulating material on side
Connection direction Yes
End cover plate required Yes
Explosion-tested version V-0
Flammability class UL 94 Wemid
Insulating material No
Levels cross-connected internally 2
No. of clamping points per level 1
Number of identical terminals 1
Number of levels right
Open sides 120 °C
Operating temperature range, max. -50 °C
Operating temperature range, min. W terminal with screw connection
Product family Screw connection
Type of connection Snap-on
Type of mounting
CSA rating data AWG 26
Min. cross-section (CSA) AWG 12
Max. cross-section (CSA)
Conductors for clamping (additional 24 A
connection)
Rated current
-2-
Product catalogue | Terminals | Screwing technology | W-series modular terminals | Modular feed-through terminals | W-
Standard | 2,5 mm²
Conductors for clamping (additional Screw connection
connection) M 2.5
Type of connection 0.6 x 3.5 mm
Clamping screw 0.8 Nm
Blade size 0.4 Nm
Tightening torque, max. AWG 30
Tightening torque, min. AWG 12
Conductor connection cross-section AWG, min.
Conductor connection cross-section AWG, max.
Conductors for clamping (rated connection)
Clamping range, min. 0.05 mm²
Clamping range, max. 4 mm²
Type of connection Screw connection
Connection direction on side
No. of connections 2
Clamping screw M 2.5
Blade size 0.6 x 3.5 mm
Tightening torque, max. 0.8 Nm
Tightening torque, min. 0.4 Nm
Torque setting with DMS electric screwdriver 1
Gauge to IEC 60947-1 A3
Conductor cross-section, solid, min. 0.5 mm²
Conductor cross-section, solid, max. 4 mm²
Conductor cross-section, stranded, rated 1.5 mm²
connection, min.
Conductor cross-section, stranded, rated 4 mm²
connection, max.
Conductor cross-section, flexible, max. 4 mm²
Conductor cross-section, flexible plus plastic collar 0.5 mm²
DIN 46228/1, rated connection, min.
Conductor cross-section, flexible plus plastic collar 2.5 mm²
DIN 46228/1, rated connection, max.
Conductor cross-section, flexible AEH plus plastic 0.5 mm²
collar DIN 46228/4, rated connection, min.
Conductor cross-section, flexible AEH plus plastic 2.5 mm²
collar DIN 46228/4, rated connection, max.
Twin wire-end ferrule, min. 0.5 mm²
Twin wire-end ferrule, max. 1.5 mm²
Conductor connection cross-section AWG, min. AWG 30
Conductor connection cross-section AWG, max. AWG 12
Dimensions 5.1 mm
Width 47 mm
Height of lowest version 60 mm
Length 8.03 g
Weight
Disconnect terminals 0.8 Nm
Tightening torque, max. 0.4 Nm
Tightening torque, min. 1
Torque setting with DMS electric screwdriver
-3-
Product catalogue | Terminals | Screwing technology | W-series modular terminals | Modular feed-through terminals | W-
Standard | 2,5 mm²
Disconnect terminals 2.5 mm²
800 V
Rating data 8 kV
Rated cross-section 24 A
Rated voltage IEC 60947-7-1
Rated impulse withstand voltage 32 A
Rated current 3
Standards
Current with max. conductor 0.8 Nm
Pollution severity 0.4 Nm
Stud connection AWG 30
Tightening torque, max. AWG 12
Tightening torque, min.
09252_WDU_2.5_DXF.dxf
UL rating data 1020000000_09252_WDU_2.5_STP.stp
Min. cross-section (UL)
Max. cross-section (UL) EC000897
EC000897
Downloads 27-14-11-20
DXF 27-14-11-20
STEP 27-14-11-20
27-14-11-20
Classifications
ETIM20 Version
ETIM30 Feed-through terminal, 2.5 mm², Screw connection, Wemid, brown
eClass 4.1 Feed-through terminal, 2.5 mm², Screw connection, PA 66, Orange
eClass 5.0 Feed-through terminal, 2.5 mm², Screw connection, Wemid, red
eClass 5.1 Feed-through terminal, 2.5 mm², Screw connection, Wemid, blue
eClass 6.0 Feed-through terminal, 2.5 mm², Screw connection, Wemid, green
Feed-through terminal, 2.5 mm², Screw connection, Wemid, black
Similar products Feed-through terminal, 2.5 mm², Screw connection, Wemid, yellow
Feed-through terminal, 2.5 mm², Screw connection, Wemid, grey
Order No. Part designation Feed-through terminal, 2.5 mm², Screw connection, PA 66, violet
1037710000 WDU 2.5 BR Feed-through terminal, 2.5 mm², Screw connection, Wemid, white
1020060000 WDU 2.5 OR Feed-through terminal, 2.5 mm², Screw connection, Wemid, dark
1020040000 WDU 2.5 RT beige
1020080000 WDU 2.5 BL Feed-through terminal, 2.5 mm², Screw connection, Wemid, dark
1020090000 WDU 2.5 GN beige
1020010000 WDU 2.5 SW Feed-through terminal, 2.5 mm², Screw connection, Wemid, green/
1020020000 WDU 2.5 GE yellow
1037720000 WDU 2.5 GR
1037700000 WDU 2.5 PA/VI -4-
1036800000 WDU 2.5 WS
1020700000 WDU 2.5/10 BEZ
1020800000 WDU 2.5/10 BEZ/NE
1020050000 WDU 2.5 WAP/GG
Product catalogue | Terminals | Screwing technology | W-series modular terminals | Modular feed-through terminals | W-
Standard | 2,5 mm²
1024700000 WDU 2.5/1.5/ZR Feed-through terminal, 2.5 mm², Screw connection, Wemid, dark
1024780000 WDU 2.5/1.5/ZR BL beige
Feed-through terminal, 2.5 mm², Screw connection, Wemid, blue
-5-