System-disconnection relay EU400 NA-protection
18
Subject to technical changes
8.5 1x PV, 1x section switch with nc/normally closed contacts
(medium voltage VDE-AR-N 4110:2018-11 / high voltage VDE-AR-N 4120:2018-11)
1)
Feedback contacts Y1/Y2 not connected set
8
rel .
8
→
8
trel.
8
→
8
oFF.
8
2)
N connected
→
only for programs with N
3)
NC- or NO-contacts can be connected, self-learning when switching on
4)
Switch off the plant without recording an alarm, e.g. with output contact of a ripple control receiver
5)
Fuses only when line protection necessary, e.g. 3x16A
6)
Contact closed an
8
uSr .
8
→
8
StbY.
8
(default setting) = Standby, K1+2 switched-off
(e.g. by ripple control receiver or clock,
…)
Contact closed and
8
uSr .
8
→
8
on.
8
= repressed vector shifts
(e.g. when switching on …),
contact closed and
8
uSr .
8
→
8
y1y2.
8
= no evaluation of the feedback contacts
(e.g. for synchronisation, …)
