5.2 Safety notes
Electrical devices may only be installed and mounted by a qualified electrician. In doing so, the
applicable accident prevention regulations must be observed. Failure to observe the installation
instructions can result in damage to the device, fire or other dangers.
DANGER!
Electric shock if live parts are touched. Electric shock may lead to death.
Isolate connection cables before working on the device.
Cover up live parts in the vicinity!
Please see the operating instructions enclosed with the device for more information.
5.3 Mounting and electrical connection
Mounting the device
Snap it on to the top-hat rail as per DIN EN 60715, vertical mounting;
network connections must face downward.
A KNX data rail is not required; the connection to KNX-TP is established using the accompanying
bus connection terminal.
Observe temperature range (0 °C to +45 °C); do not install over heat-emitting devices and ensure
sufficient ventilation/cooling if necessary.
Connecting the device
Connect the KNX-TP bus line to the KNX connection of the device using the included KNX bus con-
nection terminal. The bus line must be led to near the device terminal with the sheathing in tact! Bus
line leads without sheathing (SELV) must be installed isolated in such a way that they are securely
protected from all non-safety-low-voltage lines (SELV/PELV) (comply with 4 mm spacing or use
cover; see also VDE regulations on SELV (DIN VDE 0100-410/"Secure isolation", KNX installation
specifications)!
Connecting the external power supply to the power supply connection (3) of the device using a KNX
device connection terminal, preferably yellow/white.
Polarity: left/yellow: (+), white/right: (–).
Note: If the "non-choked" auxiliary power output of a KNX power supply is used as an auxiliary ener-
gy source, you must ensure that the overall current consumption (including all KNX-TP devices) on
the line segment does not exceed the rated voltage of the power supply.
Connection of one or two IP network lines to the network connection of the device (7).
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