CHR-4
/ 4R Current Transformer
for Switchgear
Max
Voltage: 7.2 ~ 25.8kV
|
|
|
|
Max
Voltage : 7.2 ~ 25.8kV
|
|
For Indoor
|
| Measuring &
Relaying Application |
| Busbar or
Cable Through
type |
| Epoxy Molded Type |
| Frequency : 60
or
50Hz |
|
|
Measuring
Application |
|
Model |
CHR-4 |
|
Standard |
KS C 1706 |
IEC 61869-2 |
|
Max Voltage |
25.8kV |
24kV |
|
Insulation Level |
25.8 / 50 / 125kV
(150kV) |
24 / 50 / 125kV
(95kV) |
|
Short time Current Max
kA |
40In (Max
50kA/1sec) |
|
Rated Primary Current |
300
~ 5000A |
|
Rated Secondary Current |
5 or 1A |
|
Rated Burden |
15 or 40VA |
|
Accuracy Class |
1.0 |
|
Rated Continuous Thermal Current |
1.2In |
|
Frequency |
60Hz (option : 50Hz) |
|
|
Relaying
Application |
|
Model |
CHR-4R |
|
Standard |
JEC 1201 |
IEC 61869-2 |
|
Max Voltage |
23kV |
24kV |
|
Insulation Level |
23 / 50 / 150kV |
24 / 50 / 125kV
(95kV) |
|
Short time Current Max
kA |
40In (Max 50kA/1sec) |
|
Rated Primary Current |
300
~ 5000A |
|
Rated Secondary Current |
5 or 1A |
|
Rated Burden |
40VA |
30VA |
|
Accuracy Class |
1P |
5P10 or 10P10 |
5P20 or 10P20 |
|
Over Current Factor |
n > 10 |
n > 10 |
n > 20 |
|
Rated Continuous Thermal Current |
1.1In |
1.2In |
|
Frequency |
60Hz (option : 50Hz) |
|
|
Specifications |
|
Type |
Service |
Model |
Current Ratio |
|
Single |
Double |
|
CHR-4
24kV
(25.8kV) |
Measuring |
CHR-405 |
150~750/5 |
300-150/5~800-400/5 |
|
CHR-407 |
200~1200/5 |
400-200/5~1200-600/5 |
|
CHR-411 |
200~2500/5 |
400-200/5~2400-1200/5 |
|
CHR-413 |
250~5000/5 |
500-250/5~5000-2500/5 |
|
Relaying |
CHR-405R |
300~750/5 |
300-150/5~800-400/5 |
|
CHR-407R |
400~1200/5 |
400-200/5~1200-600/5 |
|
CHR-411R |
600~2500/5 |
600-300/5~2400-1200/5 |
|
CHR-413R |
1200~5000/5 |
1200-600/5~5000-2500/5 |
|
Relaying
(3’ry Winding) |
CHR-405RT |
300~750/5, 100/5 |
300-150/5~800-400/5, 100/5 |
|
CHR-407RT |
400~1200/5, 100/5 |
400-200/5~1200-600/5, 100/5 |
|
CHR-411RT |
600~2500/5, 100/5 |
600-300/5~2400-1200/5, 100/5 |
|
CHR-413RT |
1200~5000/5, 100/5 |
1200-600/5~5000-2500/5, 100/5 |
|
2 Core
Single Ratio C.T |
2CHR-405 |
300~750/5-5 |
- |
|
2CHR-407 |
800~1200/5-5 |
- |
|
2CHR-411 |
1500~2500/5-5 |
- |
|
|
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