7
Installation
Page 7 of 10
Create date 22.02.2019
en
7
Installation
The work described in the following must be executed by an electrical engineer only.
To protect the device from damage, we recommend a fault current monitoring device shall be
provided.
TT- and TN systems
: A fault current protection device should be installed. The calculation value of the
fault current must be set during commissioning.
IT system
: An isolation control device has to be used, which interrupts the supply whenever the
insulation resistance amounts to no more than 50 Ohm/V, related to the calculation tension.
The supply voltage must correspond to the voltage indicated on the type plate.
For the selection of the cross-sections for connection, loads, fusing etc. the relevant legal
requirements must be observed (see a. o. VDE 0100, VDE 0298-4).
Electrical connection
1.
Unscrew the cover.
2.
Insert the cables through the cable glands into the connection head.
3.
Tighten the nut of the cable gland to guarantee the strain relief and the protection mode.
(Cables and cable glands must be matched to guarantee the required protection mode.)
4.
Connect cable according to the wiring diagram.
5.
Check connections for tight fit.
6.
Screw on cover.
