VMV – Standing fuse voltage transformer

Instrument voltage
transformers, indoor,
Cast-Resin
Insulated  
On Request:
– Secondary change over provides dual primary rated voltage for instance (20000-11000/100V).
– Winding for earth–fault detection or open-delta protection (100/3 V or 110/3 V )

Technical data

Type
 
VMV12-F
VMV12-1
VMV24-F
VMV24-1
VMV36-F
VMV36-1
Highest voltage for equipment
kV
12
24
36
Power frequency withstand test voltage, 1 minute
kV
28
50
70
Lightning impulse test voltage (1.2/50 m s full wave)
kV
75
125
170
Rated frequency
Hz
50/60
50/60
50/60
Max. rated primary voltage
kV
12/√3
24/√3
36/√3
Secondary thermal limit current for measuring winding
A
7
7
7
Rated voltage factor /8h
1.9
1.9
1.9
Secondary thermal limit current for Earth – fault winding
A
4
4
4
Secondary Voltage
V
100/√3; 110/√3; 220/√3
Max number of cores
3
3
3
Accuracy class measuring / protection
0.2-0.5-1 /3P -6P
Rated output
15-100 VA
Category:

Description

VMVxx-F  Series : fixed type with vertical fuse

VMVxx-1  Series : drawable type with vertical fuse
Type
VMV12-F
VMV12-1
VMV24-F
VMV24-1
VMV36-F
VMV36-1
e1
270
280
300
e2
135
140
150
e3
–
–
–
e4
30
30
30
L
342
362
395
b1
125
148
190
b2
148
178
220
h
500
610
660
d
12
14
14
d1
45
45
45

 

Dimensions in mm

 

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