Connection
34
IRDH275_D00122_02_M_XXEN/10.2016
4.2.3 Connection with AGH204S-4
This coupling device extends the nominal voltage range of ISOMETER
®
s used
in AC systems including rectifiers.
1
without rectifiers
U
n
= 3AC 0….1650 V (DC max. 1000 V)
2
with rectifiers
U
n
= 3AC 0….1300 V (max. AC voltage; max. DC vol-
tage after
rectifiers in intermediate circuits of fre-
quency converters:1840 V)
L1
L2
L3
PE
Un
N
AGH204S-4
1
2
AK160
AK80
U3
V3
W3
IRDH275
KE
AK