WDU 4 SL/EN
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WDU 4 SL/EN

WDU 4 SL/EN

Feed-through terminal block, Screw connection, dark beige, 4 mm², 32 A, 690 V, Number of connections: 2

Product ID 9537450000
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Approvals General ordering data Dimensions and weights Temperatures Environmental Product Compliance Material data Rating data IECEx/ATEX System specifications 2 clampable conductors (H05V/H07V) with equal cross-section (rated connection) Additional technical data Conductors for clamping (additional connection) Conductors for clamping (rated connection) CSA rating data General Rating data UL rating data Classifications

Approvals

Approvals
![](https://assets.dam.weidmueller.com/assets/api/8761d6a8-633c-4aff-8793-97a5d2b0ca50/DAP_Master_ICON,w_80,q_80) 
![](https://assets.dam.weidmueller.com/assets/api/98e12ea5-58f4-450a-9983-f439987b3951/DAP_Master_ICON,w_80,q_80) 
![](https://assets.dam.weidmueller.com/assets/api/7849a070-6e16-4866-9b5a-c610b7f622e5/DAP_Master_ICON,w_80,q_80) 
![](https://assets.dam.weidmueller.com/assets/api/2fb608f0-c73d-4515-a7a5-878046a505f4/DAP_Master_ICON,w_80,q_80) 
![](https://assets.dam.weidmueller.com/assets/api/52b59257-358c-4bc4-9ea4-df407cebf157/DAP_Master_ICON,w_80,q_80) 
![](https://assets.dam.weidmueller.com/assets/api/52b59257-358c-4bc4-9ea4-df407cebf157/DAP_Master_ICON,w_80,q_80) 
![](https://assets.dam.weidmueller.com/assets/api/5855f480-81e6-48e1-aa53-1e87419df7ba/DAP_Master_ICON,w_80,q_80) 
![](https://assets.dam.weidmueller.com/assets/api/70d4994d-1e1f-4a62-8b8a-96bcbd57aca3/DAP_Master_ICON,w_80,q_80) 
![](https://assets.dam.weidmueller.com/assets/api/5855f480-81e6-48e1-aa53-1e87419df7ba/DAP_Master_ICON,w_80,q_80) 
ROHS
Conform 
UL File Number Search
[UL Website](https://database.ul.com/cgi-bin/XYV/cgifind/LISEXT/1FRAME/gfilenbr.html) 
Certificate No. (UR)
E60693 

General ordering data

Version
Feed-through terminal block, Screw connection, dark beige, 4 mm², 32 A, 690 V, Number of connections: 2 
Order No.
9537450000 
Type
WDU 4 SL/EN 
GTIN (EAN)
4032248037452 
Qty.
50 items

Dimensions and weights

Depth
51,5 mm
Depth (inches)
2,028 inch
Depth including DIN rail
55 mm
Height
60 mm
Height (inches)
2,362 inch
Width
6,1 mm
Width (inches)
0,24 inch
Net weight
12,512 g

Temperatures

Storage temperature
-25 °C...55 °C 
Ambient temperature
-60 °C…85 °C 
Continuous operating temp., min.
-60 °C
Continuous operating temp., max.
130 °C

Environmental Product Compliance

Estado de cumplimiento de la directiva RoHS
Compliant without exemption 
REACH SVHC
No SVHC above 0.1 wt% 
Termék karbonlábnyoma
  • Cradle to gate:
    0.105 kg CO2 eq.

Material data

Basic material
Wemid 
Colour
dark beige 
UL 94 flammability rating
V-0 

Rating data IECEx/ATEX

Núm. de certificación (ATEX)
DEMKO14ATEX1338U 
Certificate No. (IECEX)
IECEXULD14.0005U 
Max. voltage (ATEX)
690 V 
Áram (ATEX)
32 A 
Wire cross section max. (ATEX)
4 mm² 
Max. feszültség (IECEX)
690 V 
Current (IECEX)
32 A 
Vezetékkeresztmetszet, max. (IECEX)
4 mm² 
EN 60079-7 jelölés
Ex eb II C Gb 
Ex 2014/34/EU label
II 2 G D 

System specifications

Version
Screw connection 
with spring-loaded cable clamp 
for screwable cross-connection 
for plug-in cross-connector 
One end without connector 
End cover plate required
Yes 
Number of potentials
1 
Number of levels
1 
Number of clamping points per level
2 
Number of potentials per tier
1 
Levels cross-connected internally
No 
PE connection
No 
Mounting rail
TS 32 
TS 35 
N-function
No 
PE function
No 
PEN function
No 

2 clampable conductors (H05V/H07V) with equal cross-section (rated connection)

Wire connection cross section, finely stranded with wire-end ferrules DIN 46228/1, 2 clampable wires, max.
1,5 mm²
Wire connection cross section, finely stranded with wire-end ferrules DIN 46228/1, 2 clampable wires, min.
0,5 mm²
Wire connection cross section, finely stranded, two clampable wires, min.
0,5 mm²
Wire cross-section, finely stranded, two clampable wires, max.
1,5 mm²

Additional technical data

Explosion-tested version
No 
Number of similar terminals
1 
Open sides
right 
Type of mounting
Snap-on 

Conductors for clamping (additional connection)

Connection type, additional connection
Screw connection 

Conductors for clamping (rated connection)

Blade size
0.6 x 3.5 mm 
Clamping range, max.
6 mm²
Clamping screw
M 3 
Délka odizolování
15 mm
Klemmbereich, min.
0,22 mm²
Maks. przekrój przyłącza, cienki przewód wielodrutowy, min.
0,22 mm²
Měřidlo podle IEC 60947-1
A4 
Number of connections
2 
Przekrój przyłącza przewodów, przewód jednodrutowy, maks.
6 mm²
Przekrój przyłącza przewodów, przewód jednodrutowy, min.
0,22 mm²
Průřez propojení AWG, max.
AWG 10 
Sezione di collegamento cavo AWG, min.
AWG 26 
Sezione di collegamento cavo, flessibile con terminali DIN 46228/4, max.
4 mm²
Sezione di collegamento cavo, flessibile con terminali DIN 46228/4, min.
0,22 mm²
Směr připojení
on side 
Torque level with DMS electric screwdriver
2 
Type of connection
Screw connection 
Utahovací moment, max.
1 Nm
Utahovací moment, min.
0,5 Nm
配線接続断面、ワイヤエンドフェルール付 DIN 46228/1 の細径撚線、最大
4 mm²
配線接続断面、ワイヤエンドフェルール付 DIN 46228/1 の細径撚線、最小
0,22 mm²
결선 단면적, 꼬임, 최대
6 mm²
결선 단면적, 꼬임, 최소
0,22 mm²
와이어 결선 단면, 가는 꼬임, 최대
4 mm²
와이어 결선 단면, 가는 꼬임, 최소
0,22 mm²

CSA rating data

Certifikat nr. (CSA)
200039-1057876 
Voltage size D (CSA)
600 V 
Напряжение, класс C (CSA)
300 V 
Поперечное сечение провода, макс. (CSA)
10 AWG 
Ток, разм. C (CSA)
25 A 
最小导线横截面积（CSA ）
22 AWG 
电流 大小 D (CSA)
5 A 

General

Mounting rail
TS 32 
TS 35 
Standards
IEC 60947-7-1 
Wire connection cross section AWG, max.
AWG 10 
Wire connection cross section AWG, min.
AWG 26 

Rating data

Rated cross-section
4 mm²
Rated voltage
690 V
Rated DC voltage
690 V
Nominal current
32 A
Current at maximum wires
41 A
Standards
IEC 60947-7-1 
Volume resistance according to IEC 60947-7-x
1 mΩ
Rated impulse withstand voltage
6 kV 
Power loss in accordance with IEC 60947-7-x
1,02 W
Pollution severity
3 

UL rating data

Certificate No. (UR)
E60693 
Conductor size Factory wiring max. (UR)
10 AWG 
Conductor size Factory wiring min. (UR)
22 AWG 
Conductor size Field wiring max. (UR)
10 AWG 
Conductor size Field wiring min. (UR)
22 AWG 
Current size C (UR)
30 A 
Voltage size C (UR)
600 V 

Classifications

ETIM 8.0
EC000897 
ETIM 9.0
EC000897 
ETIM 10.0
EC000897 
ECLASS 14.0
27-25-01-01 
ECLASS 15.0
27-25-01-01