Installing The Junction Boxes - HBM VKK2R-8 Ex Bedienungsanleitung

8
3

Installing the junction boxes

The best way to fit the VKK... junction boxes is with the grommets pointing
downward. This increases protection against moisture penetration.
Junction box viewed from above
Tighten the mounting screws of the cover plate in the following sequence:
1.
3.
Fig. 3.1: Correct order for tightening the mounting screws of the cover plate
CAUTION
Please tighten the cover plate screws with a torque of 0.7 N@m to ensure the
specified IP degree of protection and maximum EMC protection. The sealing
washers under the cover plate screws must not be removed.
Mounting direction
Fig. 3.2: Mounting dimensions
HBM
Tightening torque of the cover
plate screws: 0.7 N⋅m
250
260
264.1
278
100
110
128
* with rubber seal
(mounted state)
7x M12, SW 14 for 2x M16, SW 17 for
cable ∅ 3 ... 6 mm cable ∅ 5 ... 9 mm
VKK2R-8 Ex
4.
2.
Potential
equalization
A1552-4.1 en/de