User manual

4 Conguration | Use in a potentially explosive atmosphere
21Manual u-remote1432790000/08/12.2015
For vertical installation interchange height and width.
When calculating the width, 4.5mm / 0.18" for the
must be added for the end bracket MEW35/1 (Order No.
1805610000).
4.3 Use in a potentially explosive atmosphere
If the u-remote station is used in a potentially explosive
atmosphere rated as Zone 2, the housing must meet the re-
quirements of explosion protection type Exn or Exe and pro-
tection class IP54. Sensors and actuators that are located in
Zone 2 or in a safe zone can be connected. All cable glands
on the housing must be approved for Exe.
IP54
Zone 2
safe area
no ex-approval
u-remote
II 3G Ex nA
II 3G Ex nA nC
Use in a potentially explosive atmosphere
ATEX marking
II 3 G Ex nA IIC T4 Gc
WI 13ATEX0002X
Ta: -20 °C ... +60 °C
4.4 “PUSH IN” system cabling
u-remote modules (except HD modules) and eldbus couplers
are equipped with the “PUSH IN” connector system. Single-
strand and ne-strand lines with wire-end ferrules can be
inserted without the need for a tool. Lines with a cross-
section measuring between 0.14 mm
2
and 1.5mm
2
can be
connected.
We recommend using the following wire-end ferrules:
Cross-section
AWG
Weidmüller order no.
Weidmüller colour code
Weidmüller order no.
DIN colour code
0.14 mm² 26 9028240000
0.25 mm² 24 9025760000
0.34 mm² 22 9025770000
0.50 mm² 20 9025870000 9019020000
0.75 mm² 18 9025860000 9019050000
1.00 mm² 17 9025950000 9019100000
1.50 mm² 16 0635100000 9019130000
Wire-end ferrules for the wiring
The external dimensions of the crimped wire-end ferrules
must conform with IEC-60947-1. For crimping, we recom-
mend crimp shape A and the following tools:
– Crimping tool for wire-end ferrules from 0.25mm² to
1.5mm² (AWG 24 to 16) with a trapezoidal indentation
crimp, type: PZ6/5 ZERT (Order No. 9017900000)
– Crimping tool for wire-end ferrules from 0.14mm² to
0.75mm² (AWG 26 to 18) with a trapezoidal crimp, type:
PZ 1.5 ZERT (Order No. 9017310000)