VM1,2 – Siemens voltage transformer

Instrument Voltage
transformers, indoor,
Cast-Resin Insulated

Technical data

Type
 
VM12-1
VM24-1
VM36-1
VM12-2
VM24-2
Highest voltage for equipment
kV
12
24
36
12
24
Power frequency withstand test voltage, 1 minute
kV
28
50
70
28
50
Lightning impulse test voltage (1.2/50 m s full wave)
kV
75
125
170
75
125
Rated frequency
Hz
50/60
50/60
50/60
50/60
50/60
Max. rated primary voltage
kV
12/√3
24/√3
36/√3
12
24
Secondary thermal limit current for measuring winding
A
10
12
14
6
7
Rated voltage factor /8h
1.9
1.9
1.9
Secondary thermal limit current for Earth – fault winding
A
6
6
6
Secondary Voltage
V
100/√3; 110/√3; 220/√3
100;110;220
Max number of cores
3
3
3
2
2
Accuracy class measuring / protection
0.2-0.5-1 /3P -6P
Rated output
15-200 VA


On Request:
Secondary change over provides dual primary rated voltage for instance (20000-11000/100V).

 

Category:

Description

 

VM12-1/VM24-1/VM36-1

 

Type
VM12-1
VM24-1
VM36-1
e1
175
200
200
e2
225
250
250
L
324
366
366
b1
200
270
270
h
240
300
390
d
12
14
14
VM12-2/VM24-2
Type
VM12-2
VM24-2
e1
175
200
e2
225
250
e3
150
210
L
324
366
b1
200
270
h
240
300
d
12
14

Diemnsions in mm 

 

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