After loosening the hex nut, connect the earth-bonding cable between the two
washers as illustrated in the figure above. Then, fasten all parts again with the hex
nut.
The PE cables must have a minimum cross section of 16mm
2
.
3.2.4. Power Connection
Before connecting electrical power to the units, the system must be grounded as
described in the previous chapter.
Mains power must be connected at the mains connector of the unit (see chapter
3.2.2 Connections
).
The power supply plug is part of the delivery. The correct wiring of the power supply
plug is as follows:
figure 3-5 AC mains plug
figure 3-6 DC mains plug
For the AC power supply connection, a minimum cross section of 1.5
mm
2
is required and for the DC power supply connection, a minimum
cross section of 2.5 mm
2
is required. Each wire must observe the
applicable national regulations regarding loop impedance, voltage drop,
and methods of installation. Make sure to connect the correct voltage to
the unit.
19 of 42
