Bender ISOSCAN W Series - Connection to an AC System

ISOSCAN® EDS440 and EDS441
4.12 Connection to an AC system
A BA B
iso685-D-P EDS44…-L/-S
U
n
L1
L2
PE
U
S
U
S
A1/+ A2/-
21 22 24
11 12 14
L1/+ L2 L3/- KE E
iso685
ISOMETER
®
RX2
X1
l1 l2 l3 A B
EKEL3/-L2
L1/+A1/+ A2/-
EDS440
ISOSCAN
®
I ΔL I Δn
13 14 23 24
l1
k1
l2
k2
l3
k3
l4
k4
l5
k5
l6
k6
l7
k7
l8
k8
l9
k9
l10
k10
l11
k11
l12
k12
X1
l1 l2 A B
A1/+ A2/-
A1/+ A2/-
l1 k1 l2 k2
1
2
2
3
4
1 Measuring current transformers
2 to the loads
3 BB bus for communication to and supply of EDS44…-S
4 BS bus for communication from iso685(W)-…-P to EDS44…-L
U
S
Connection of the supply voltage only to EDS44…-L
EDS44x_D00201_10_M_XXEN/11.2023 29