User Documentation

Weidmüller Interface GmbH Co. KG; Klingenbergstraße 16, 32758 Detmold-Germany
Technical data according to IEC/EN 60079-7 (increased safety "eb"):
WDU 4
WPE 4
690 V
275 V
32 A / ΔT 40 K
38,1 K / 32 A
32 A / ΔT 40 K
30 A / ΔT 40 K
0,30 mΩ 0,64 mΩ
4mm²
4mm²
0,14 - 6.0 mm²
0,14 - 6.0 mm²
0,14 - 6,0 mm²
0,14 - 6,0 mm²
0,14 - 6,0 mm²
0,14 - 6,0 mm²
26 - 10 AWG
26 - 10 AWG
0,5 - 2,5 mm²
---
0,5 - 1,0 Nm
0,5 - 1,0 Nm
0,5 - 1,0 Nm
0,5 - 1,0 Nm
10 mm
10 mm
A
C
D
E
H
A
C
D
E
H
I
WDU 4
with ZQV 4/N
WDU 4
with WQV 4
max Voltage/V
max Voltage/V
440
550
440
550
352
275
352
352
275
275
-
88
Information for further cross-connector arrangements will be provided on request.
- Tightening torque range for WQV…
- Contact resistance
with rated conductor, 4,0mm²
- Rated current with WQV..
- Rated voltage
- 2 conductors with same cross-section
C
D
Intermediate - bridging one or more unconnected terminals
A
Application case
- Conductor cross section solid
- Conductor cross section flexible
Application Case
IECEx / ATEX Terminal and Cross-Connector Arrangements:
Continuous
Next to a protective conductor terminal (earth) without a partition plate
Max voltage data according to IEC/EN 60079-7 in conjunction with
protective conductor terminal blocks of the WPE-Series, (increased safety "eb"):
- Tightening torque range, terminal screw
- Stripping length
- cross section, American Wire Gauge
- Tightening torque range, fixing screw
- Conductor cross section stranded
- Rated voltage with LS 2.8
Adjacent – separated by a partition plate
- Rated current with ZQV..
- Rated conductor cross section
- Temperature rise with rated current
- Rated current
Cross-connection with twin parallel
H
E
- WDU 4 with ZQV 4/N 88 V
- WDU 4 with WQV 4 275 V
I
Max voltage data with optional screen bus bar:
Version: WDU/WPE 4 7799739 Index: 07 Date: 06.2019
2