Installation, connection and commissioning
isoBAT425_D00308_04_M_XXEN/07.2020
16
4.2 Wiring diagram
For details about the conductor cross sections required for wiring, refer to the technical data from
L+
KE
A1
A2
Test / Reset
14
24
11
K1
K2
T/R
L
L1
PE
N
ON
T
R
MENU
AL1
AL2
k
<
k
ISOMETER
isoBAT425
L+
L-
E
KE
A1
A2
14
24
11
T/R
A
B
COM465IP
RS-485
A
B
R
R
on
off
E
U
L+e
U
L-e
. . .
+ +
+
Bat 2
. . . .
+
. . . .
+
+
R
c
R
F1
C
e1
+
+
+
+
R
F2
C
e2
Bat 1
U
n
L+
R
F1
R
F2
R
F
=
C
e
= C
e1
+ C
e2
Insulation fault to earth
System leakage capacitance to earth
R
c
Insulation fault between the
plus and minus strings (cross fault)
6 A
6 A
J-Y (St)Y 2x0,6
E
E
E
E
ZE420
E
E
E
L+
L-
E
L-
