19
Operational safety
3.4.2. Mains connection
The power supply must be installed by qualified personnel
only!
Please ensure that the mains voltage to be used is identical to
the operating voltage indicated on the machine type plate.
According to the connection regulations the machine has
to be fused and connected by means of a mains cable. You
will find the connection rules inside the power source after
removal of the cover or side panel. The cross section of the
connection cable must be adequate.
The machine must be connected to a three-phase four-wire
system with earth conductor and operated.
Connection to ungrounded networks (e.g. IT networks) or
asymmetrically grounded networks is only permitted with an
appropriate isolating transformer
Item Designation Colour
L1 Phase conductor 1 brown
L2 Phase conductor 2 black
L3 Phase conductor 3 grey
N Earth conductor blue
PE Protective conductor green-yellow
The terminal voltage of the power source can be up to 113 V
DC or 48 V AC !
INFO!
CAUTION!
ATTENTION!
L1
L2
L3
N
PE
CAUTION!
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