VMI – Voltage transformer for cable panel

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
 
VMI12-1
VMI24-1
VMI36-1
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
Accuracy class measuring / protection
0.2-0.5-1 /3P -6P
Rated output
 15-100 VA
Category:

Description

VMI

Type
VMI24-1
VMI12-1
VMI36-1
e1
280
300
e2
140
150
e3
46
46
e4
L
362
395
b1
148
190
b2
178
220
h
342
390
h1
102
102
d
14
14
d1
d2

Dimensions in mm

 

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