Overview
This
type of current transformer is a fully enclosed structure with epoxy resin
casting insulation. It is suitable for current and electric energy measurement
and relay protection in power lines and equipment with 50Hz and rated voltage
of 10kV and below.
Technical parameters
The product meets the
qualified standards: GB1208-2006 and IEC60044-1
Rated secondary current:
5A or 1A
Rated frequency: 50Hz
Ambient temperature: -5°C~ +40°
1、Double
winding parameter table
|
Rated current ratio (A)
|
Accuracy class
|
Rated output (VA)
|
Short-time thermal current
(KA/S)
|
Dynamic steady current
(KA)
|
Rated insulation level
(kV)
|
|
0.2S Level
|
0.2 Level
|
0.5 Level
|
5P10 Level
|
5P15 Level
|
5P20 Level
|
|
5-250/5
|
0.2S/0.5
0.2S/5P
0.5/5P
|
10
|
10
|
15
|
30
|
20
|
15
|
150
|
375
|
12/42/75
|
|
300/5
|
45
|
100
|
|
400/5
|
63
|
100
|
|
500/5
|
|
600/5
|
15
|
20
|
80
|
130
|
|
800/5
|
|
1000/5
|
|
1200/5
|
100
|
160
|
|
1500/5
|
|
2000/5
|
|
2500/5
|
|
3000/5
|
2、Three
winding parameter table
|
Rated current ratio (A)
|
Accuracy class
|
Rated output (VA)
|
Short-time thermal current
(KA/S)
|
Dynamic steady current
(KA)
|
Rated insulation level
(kV)
|
|
0.2S Level
|
0.2 Level
|
0.5 Level
|
5P10 Level
|
5P15 Level
|
5P20 Level
|
|
5-250/5
|
0.2S/0.5/5P
0.5/0.5/5P
0.2S/5P10/5P10
0.5/5P15/5P15
|
10
|
10
|
15
|
30
（20）
|
20
（15）
|
15
|
150
|
375
|
12/42/75
|
|
300/5
|
45
|
100
|
|
400/5
|
63
|
100
|
|
500/5
|
|
600/5
|
15
|
20
|
80
|
130
|
|
800/5
|
|
1000/5
|
|
1200/5
|
100
|
160
|
|
1500/5
|
|
2000/5
|
|
2500/5
|
|
3000/5
|
Note: The value in parentheses is the rated secondary
output when two windings in the three windings are protective windings.
3、Four winding
parameter table
|
Rated current ratio (A)
|
Accuracy class
|
Rated output (VA)
|
Short-time thermal current
(KA/S)
|
Dynamic steady current
(KA)
|
Rated insulation level
(kV)
|
|
0.2S Level
|
0.2 Level
|
0.5 Level
|
5P10 Level
|
5P15 Level
|
|
|
|
|
5-250/5
|
0.2S/0.2S/0.2S/5P
0.5/0.5/0.5/5P
0.2S/0.2S/5P/5P
0.5/0.5/5P/5P
|
10
|
10
|
15
|
15
|
15
（10）
|
150
|
375
|
12/42/75
|
|
300/5
|
45
|
100
|
|
400/5
|
63
|
100
|
|
500/5
|
|
600/5
|
15
|
20
|
30
(20)
|
20
(15)
|
80
|
130
|
|
800/5
|
|
1000/5
|
|
1200/5
|
100
|
160
|
|
1500/5
|
|
2000/5
|
|
2500/5
|
|
3000/5
|
Note: The value in parentheses is the rated secondary
output when two windings in the three windings are protective windings.
2D drawing and installation size
