33
IRDH275_D00122_02_M_XXEN/10.2016
4.2.2 Connection with AGH520S
Connected to the ISOMETER
®
this coupling device extends the nominal volt-
age range to AC 7200 V in pure AC systems. In case of 3 AC systems, Pin 2 of
AGH520S is to be connected to L1, in case of 3/N/AC systems, Pin 2 is to be
connected to the N-conductor.
2
534
AGH520S
PE
IRDH275
L1
L2
L3
Un
3/(N)/ AC 0...7200 V 42...460 Hz
N
3 AC
3/N/ AC
KE
AK