Data sheet
W-Series
WDK 4N
Weidmüller Interface GmbH & Co. KG
Klingenbergstraße 16
D-32758 Detmold
Germany
Fon: +49 5231 14-0
Fax: +49 5231 14-292083
www.weidmueller.com
Technical data
Creation date July 7, 2019 11:32:58 PM CEST
Catalogue status 07.06.2019 / We reserve the right to make technical changes. 2
Dimensions and weights
Width 6.1 mm Width (inches) 0.24 inch
Height 60 mm Height (inches) 2.362 inch
Depth 63.25 mm Depth (inches) 2.49 inch
Depth including DIN rail 64.15 mm Net weight 12.11 g
Temperatures
Operating temperature range For operating temperature
range see EC Design
Test Certificate / IEC Ex-
Certificate of Conformity
Storage temperature, max.
40 °C
Storage temperature, min. 10 °C Storage temperature 10 °C...40 °C
Continuous operating temp., min. -50 °C Continuous operating temp., max. 120 °C
Material data
Material Wemid Colour dark beige
UL 94 flammability rating V-0
Rating data IECEx/ATEX
Certificate No. (ATEX) KEMA00ATEX2061U Certificate No. (IECEX) IECEXULD05.0008U
Max. voltage (ATEX) 550 V Current (ATEX) 28 A
Wire cross section max. (ATEX) 4 mm² Max. voltage (IECEX) 550 V
Current (IECEX) 28 A Wire cross section max. (IECEX) 4 mm²
Operating temperature range For operating temperature
range see EC Design
Test Certificate / IEC Ex-
Certificate of Conformity
Marking EN 60079-7
Ex eb II C Gb
Ex 2014/34/EU label II 2 G D
System specifications
Version Screw connection, for
plug-in cross-connector,
One end without
connector
Tightening torque (clamping screw for
copper conductors)
0.5...1 Nm
End cover plate required Yes Number of potentials 2
Number of levels 2 No. of clamping points per level 2
Number of potentials per tier 1 Levels cross-connected internally No
PE connection No Rail 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, two clampable wires, min. 0.5 mm²
Wire cross-section, finely stranded, two
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 with wire-end ferrules DIN
46228/1, 2 clampable wires, max. 1.5 mm²
Additional technical data
Explosion-tested version Yes Number of similar terminals 1
Open sides right Type of mounting Snap-on