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Delta D4-h
Wiring diagrams
NOTE: the wiring diagrams, show the device complete with RS485 interface.
In case of version without of these features, the corresponding terminals must not be considered.
L.2 =
100%
100%
Alarm 2 contacts (2 relay in parallel)
S 291/162
1
2
RESET
TEST
TRANSFORMER
19 18 17 60 61 62
4
6
7
6
3 2
B A
Bm
TD
L1
L2
L3
N
4
L.2 =
100%
rEL
nd
nE
Normally de-energized
Normally energized
rEL = nd
S 291/163
AUX. SUPPLY
RS485
(+) (
)
+
0V
— —
—
A1
A2
33 34
35
19 18 17 60 61 62
Ba
L1
L2
L3
N
S 291/164
19 18 17 60 61 62
L1
L2
L3
N
S 291/161
1
2
60 61 62
19 18
17
AUX. SUPPLY
1
2
RESET
TEST
TRANSFORMER
(+) (
)
+
— —
A1
A2
4
6
7
6
3 2
33 34
B A
TD
AUX. SUPPLY
1
2
RESET
TEST
TRANSFORMER
(+) (
)
— —
+
4
6
7
6
3 2
A1
A2
33 34
B A
Bm
TD
RESET
TEST
TRANSFORMER
AUX.
RS485
INPUT
SUPPLY
+
0V
(+) (
)
—
— —
4
7
3
2
A1
A2
33 34 35
6
8
B
A
L1
L2
L3
N
RS485
0V
—
35
rEL = nE
S 291/165
RS485
0V
—
1
2
RESET
35
19 18 17 60 61 62
4
Ba
L1
L2
L3
N
AUX. SUPPLY
TEST
TRANSFORMER
RS485
(+) (
)
+
0V
— —
—
A1
A2
6
7
6
3 2
33 34
35
B A
TD
LE12570AA_E 10/20 - 01IM cod.RDD421..
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