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VAMP Ltd
Feeder and motor manager
Technical description
VAMP 257
VM257.EN002
VAMP 24h support phone : +358 (0)20 753 3264
131
VAMP
255
L1
L2
L3
V
AMP257
Vconnection
0
1
-
-
+
+
+
IL1
IL2
IL3
I
01
I
01
U
0
U
0
I
02
I
02
U12
U23
~
Blocking
and
output
matrix
Autorecloser
matrix
VAMP
257
Remote
Local
Front
T1
T2
T3
T4
A1
IF
X
1
:
1
X
1
:
2
X
1
:3
X
1
:
4
X
1
:
5
X
1
:6
X
1
:7
X
1
:8
X
1
:9
X
1
:
12
X
1
:
1
3
X
1
:
14
X
1
:
1
7
X
1
:
1
8
X
1
:
10
X
1
:
11
X3:
1
7
X3:
1
8
X3:
14
X3:
14
X3:
15
X3:
12
X3:
1
3
X7:
1
7
X7:
1
8
X7:
15
X7:
1
6
X
2
:9
X
2
:
10
X
2
:
11
X3:1
+48V
X3:2
D
I1
X3:3
DI2
X3:4
DI3
X3:5
D
I4
X3:6
DI5
X3:7
DI6
Protection
functions
X6:1 X6:2 X6:3 X6:4 X6:5 X6:6 X6:7
Option
Block
C
B
FP
50
B
F
If2
>
68
3I<
37
3I
>
3I
>>
3I
>>>
5
0/5
1
3I
>
3I
>>
3I
>>>
3I
>>>>
6
7
I
>
,I
>
00
2
I
>>
,I
>>
00
2
50
N
/51
N
I/
I
>
21
4
6
U>
0
U>
0
5
9N
U
<
U
<<
U
<<<
27
U>
U>>
U>>>
5
9
f
>
<
f
>>
<<
8
10/
8
1
U
f<
<
f<
8
1
U
I
>
0
I
>>
0
6
7
N
ArcI
>
50AR
T>
4
9
I2
>>
47
I2
>
4
6
Ist
>
4
8
N>
66
Auto
Reclose
7
9
7
9
25
DI
DI
DI
DI
DI
DI
DI
X7:1
DI7
X7:2
DI8
X7:3
DI9
X7:4
DI10
X7:5
DI1
1
X7:6
DI12
X7:7
comm
X8:1
DI21
x9
/
R
emote
/
EX
T
.I
o
x
10/
R
emote
/
EX
T
.I
o
T5
A2
A3
A4
A5
X8:
1
9
X8:
20
X8:
1
7
X8:
1
8
X8:
15
X8:
1
6
X8:
1
3
X8:
14
X3:9
X3:
10
X3:
11
T6
T7
T8
X
2
:7
X
2
:8
X
2
:
5
X
2
:6
X
2
:3
X
2
:
4
X
2
:
1
X
2
:
2
X8:2
DI22
X8:3
comm
X8:4
DI23
X8:5
DI24
X8:6
comm
X8:7
DI25
X8:8
DI26
X8:9
comm
X8:10
DI27
X8:1
1
DI28
X8:12
comm
X7:8
DI13
X7:9
DI14
X7:10
DI15
X7:1
1
DI16
X7:12
DI17
X7:13
DI18
X7:14
comm
Figure 4.12.1-3 Connection example of feeder manager VAMP 257 with V-
connected voltage transformers. The voltage measurement mode is set to
“2Line+U
0
”. Directional earth fault stages are not available without the
polarizing U
0
voltage.