T
ATTENTION
Device damage due to missing sealing plugs
If the screws in the enclosure are not covered, or are
not adequately covered with the provided sealing plugs,
then the specified protection class is no longer ensured.
Consequential damage of electronic components can
occur.
f Cover the screws in the enclosure with the provided
sealing plugs.
f Check the device for firm and secure attachment.
5.6 Electrical connection
5.6.1 Power supply
The device can be connected in a TN / TT network. The
device can only be connected in an IT network under the
following conditions:
Connection to a 230 / 400 V IT network is not permit-
ted.
Connection to an IT network with 230 V external line
voltage over a residual current circuit breaker is per-
missible, provided that the maximum contact voltage
does not exceed 50 V AC when the first error occurs.
L1
L2L3
N PE
1
2
Fig. 12: Power supply connection
f Strip the supply line.
f Strip conductors (2) 12 mm.
f Connect the conductors to the terminals (1) in accor-
dance with the terminal labels.
Single phase operation: Use terminals L1, N and PE.
Three-phase operation: Use terminals L1, L2, L3, N and
PE.
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f Comply with the connection data of the terminal block.
Î "4 Technical data"
When laying out the supply line, comply with the
permissible bending radius.
f Check whether the individual cores are properly con-
nected and that the screws are firmly tightened.
5.6.2 Shunt release
For versions Professional(+) E 7,4 / 22 only.
f Check whether a shunt release is legally prescribed in
the country of use.
Î "2.2 Intended use"
9
The shunt release has been incorporated in the indoor
installation.
Î "5.3.2 Providing fuse protection"
A relay for external connection of a shunt release is atta-
ched in the device.
1
11
2
Fig. 13: Connection - shunt release
f Strip the line of the shunt release
f Strip the conductors (2) 8 mm.
f Connect the conductors on the relay (1).
To do this use terminals 11 (COM) and 14 (NO).
Î "4 Technical data"
14