VMF – 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).

Technical data

Type
 
VMF12-1
VMF24-1
VMF36-1
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 µs 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

Type
VMF12-1
VMF24-1
 VMF36-1
e1
270
280
300
e2
460
480
705
e3
270
280
500
e4
30
30
30
L
342
362
395
b1
125
148
190
b2
148
178
220
h
280
340
435
h1
240
300
390
d
11
14
14
d1
45
45
45
d2
75
75
90

Dimensions in mm

 

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