Technical data
|
Type
|
|
VMB12-1
|
VMB24-1
|
VMB12-2
|
VMB24-2
|
|
Highest voltage for equipment
|
kV
|
12
|
24
|
12
|
24
|
|
Power frequency withstand test voltage, 1 minute
|
kV
|
28
|
50
|
28
|
50
|
|
Lightning impulse test voltage (1.2/50μs full wave)
|
kV
|
75
|
125
|
75
|
125
|
|
Rated frequency
|
Hz
|
50/60
|
50/60
|
50/60
|
50/60
|
|
Max. rated primary voltage
|
kV
|
12/√3
|
24/√3
|
12
|
24
|
|
Secondary thermal limit current for measuring winding
|
A
|
7
|
7
|
4
|
4
|
|
Rated voltage factor /8h
|
1.9
|
1.9
|
–
|
–
|
|
|
Secondary thermal limit current for Earth – fault winding
|
A
|
4
|
4
|
–
|
–
|
|
Secondary voltage
|
V
|
100/√3; 110/√3; 220/√3
|
100;110;220
|
||
|
Max number of cores
|
3
|
3
|
2
|
2
|
|
|
Accuracy class measuring / protection
|
0.2-0.5-1/3P -6P
|
||||
|
Rated output
|
15-100 VA
|
||||
|
Type
|
VMB12-1
VMB24-1
|
VMD12/24-2
VMB12/24-2
|
|
e1
|
280
|
280
|
|
e2
|
140
|
165
|
|
e3
|
–
|
210
|
|
e4
|
–
|
58
|
|
L
|
362
|
362
|
|
b1
|
148
|
148
|
|
b2
|
178
|
178
|
|
h
|
250
|
250/280
|
|
250
|
||
|
h1
|
–
|
35
|
|
d
|
14
|
14
|
Dimensions in mm