VAMP Ltd
Feeder and motor manager
Technical description
VAMP 257
VM257.EN002
VAMP 24h support phone : +358 (0)20 753 3264
113
The feeder and motor manager VAMP 257 is connected to the
protected object through the following measuring and control
connections:
Terminal X1 left side
No: Symbol
Description
1
IL1(S1)
Phase current L1 (S1)
3
IL2(S1)
Phase current L2 (S1)
5
IL3(S1)
Phase current L3 (S1)
7
Io1/1A(S1)
Residual current Io1(S1)
9
Io2/5A(S1)
Residual current Io2(S1)
11
UL1(a)/U12
Phase to earth voltage L1 (a) or phase to phase voltage U12
13
UL2(a)/U23
Phase to earth voltage L2 (a) or phase to phase voltage U23
15 --
--
17
UL3(a)/Uo(dn) Phase to earth voltage L3 (a) or residual voltage Uo(dn)
19 --
--
Terminal X1 right side
No: Symbol
Description
2
IL1(S2)
Phase current L1 (S2)
4
IL2(S2)
Phase current L2 (S2)
6
IL3(S2)
Phase current L3 (S2)
8
Io1/1A(S2)
Residual current Io1 (S2)
10
Io2/5A(S2)
Residual current Io2 (S2)
12
UL1(n)/U12
Phase to earth voltage L1 (n) or phase to phase voltage U12
14
UL2(n)/U23
Phase to earth voltage L2 (n) or phase to phase voltage U23
16 --
--
18
UL3(n)/Uo(da) Phase to earth voltage L3 (n) or residual voltage Uo(da)
20 --
--