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2 Connecting the multicomp D6-xxx-7
2.1 Installation and assembly
The applicable DIN/VDE regulations must be observed for installation.
Before the device is connected to the power supply, check whether the local power
supply conditions comply with the specications on the nameplate. Incorrect connec-
tion may result in the destruction of the device. A dierent mains frequency can also
aect the measurement.
The device must be connected in accordance with the connection chart.
Systems that are at risk from lightning strikes must feature lightning protection mea-
sures for the power supply input.
CAUTION
The control voltage as well as the applied measuring voltage of the device must be pro-
tected using a back-up fuse.
When connecting the current transformer, the energy ow direction and the correct
assignment to the voltage path must be observed.
During installation, please also observe our safety instructions to protect against over-
voltage and lightning in the "Protective measures" chapter of this manual.
NOTE
The following points must be observed when connecting the device:
- Direction of energy ow
- Assignment of measuring voltage input/current transformer input
Installation