DKR Drive Controllers Planning the electrical connections 6-7
DOK-DIAX03-DKR********-PR02-EN-P
The following two figures show you
•
the connection to ungrounded three-phase systems with overvoltage
suppressor and
•
two possibilities for triggering the separation of the drive from the
network with this setup.
L1
L2
L3
L1 L2 L3L3
DKR
AP3DKR
ITmains
L N
0,75...2,5 mm
2
0,75...2,5 mm
2
remote trigger
F2
F1
F3
F2
main switch
of machine
230 V ±10%
50...60 Hz
NFD
drops off if voltage
does not need to be
matched!
drops off with
AC 230 V
control enclosure
grounding potential
power circuit
breaker
power circuit breaker: For primary protection of transformers with a high
degree of inrush peak (e. g. Siemens,
3VU13 00-1TF00)
Fig. 6-6: Connection to an ungrounded three-phase system; activation of the
overvoltage suppressors triggers the main switch of the machine
LSA Control S.L. www.lsa-control.com comercial@lsa-control.com (+34) 960 62 43 01
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