Product Overview
LSY3-10/130 three-phase integrated current transformer is suitable to be installed on the three-phase bushing of ring network switch cabinet and main column switch, which is used for the measurement and protection of three-phase current and zero sequence current, and can also be used for the measurement and protection of zero sequence current of multiple cable circuits. The iron core and secondary winding of this series of current transformers are vacuum-cast with high- quality epoxy resin in a flame-retardant plastic housing, which is moisture-proof, stable and maintenance- free.
Technical Parameter
▪ Rated frequency:50 Hz or 60 Hz;
▪ Rated secondary current: 5A or 1A;
▪ Power frequency withstand voltage:3KV,Imin;
▪ Rated expansion current: 120% in;
▪ Atmospheric conditions: no serious pollution in the atmosphere
▪ Executive standard: IEC 185:1987 gb20840.2-2014
▪ P2 represents the primary polar end,Si and S2 represents the secondary polar end;P2 and S2 are homonymous terminals (depolarization).
Performance Index
|
Model |
CT107 Three phase integrated current transformer |
|||||||||
|
Purpose |
Measuring current transformer |
Protection current transformer |
Double winding current transformer |
|||||||
|
11/12 Current ratio |
Accuracy class and rated load |
Accuracy class and rated load of double winding |
||||||||
|
0.5 |
1 |
3 |
10P15 |
10P10 |
10P5 |
0.5 |
1 |
10P10 |
10P5 |
|
|
100 |
2.5 |
5 |
7.5 |
/ |
1.5 |
2.5 |
/ |
2.5 |
/ |
2.5 |
|
150 |
2.5 |
5 |
7.5 |
/ |
2.5 |
3.75 |
/ |
3.75 |
/ |
2.5 |
|
200 |
3.75 |
5 |
10 |
/ |
2.5 |
5 |
2.5 |
/ |
/ |
/ |
|
300 |
5 |
7.5 |
/ |
/ |
3.75 |
7.5 |
2.5 |
/ |
/ |
/ |
|
400 |
10 |
/ |
/ |
2.5 |
5 |
10 |
2.5 |
/ |
2.5 |
5 |
|
500 |
10 |
/ |
/ |
2.5 |
5 |
10 |
3.75 |
/ |
2.5 |
5 |
|
600 |
10 |
/ |
/ |
5 |
10 |
15 |
5 |
/ |
5 |
10 |
|
800 |
15 |
/ |
/ |
5 |
10 |
15 |
5 |
/ |
5 |
10 |
Three Phase Integrated Current Transformer
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Classification :
Keywords : Three-phase Current Transformer
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