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VAMP Ltd
Motor protection relay
Technical Description
VAMP 150
VM150.EN005
Vamp 24h support phone : +358 (0)20 753 3264
9
Figure 2.2.1-3. Normal Inverse (IEC 60255-3) characteristic.
[ ]
1
)
(
14
,
0
02
,
0
−
>
⋅
=
I
I
k
s
t
Figure 2.2.1-4. Very Inverse (IEC 60255-3) characteristic.
[ ]
1
)
(
5
,
13
−
>
⋅
=
I
I
k
s
t