Stable quality Zero-Sequence LV Current Transformer Bushing CT
1. Product Introduction:
Match with signal equipment and protective relaying equipment when power system produce zero sequence earthing current, act the equipment components to realize protective or monitoring function
It adopts stainless steel metal shell and casts with full-closed epoxy resin, beautiful appearance and easy installation save much room, many specs’ high accuracy zero sequence CT are suitable for matching with various protection equipment and power system( such as neutral earthing, non-neutral earthing , big current earthing, small current earthing or arc suppression coil earthing )etc.
2. Technical Data:
1. Rated secondary current: 5A,1A
2. Power frequency withstand voltage: 3kV.
3. Rated frequency: 50/60Hz
4. Installation site: indoor
5. Technical Standards: IEC60044-1.2003
3. Specification
| Type | Measuring current transformer | Protective current transformer |
| Rated current ratio | Accuracy class and rated burden(VA) | Accuracy class and rated burden(VA) |
| 0.5 | 1 | 3 | 10P10 | 10P5 |
| 20/1 | | 0.2 | 0.2 | | |
| 30/1 | | 0.4 | 0.5 | | |
| 40/1 | | 0.6 | 1 | | |
| 50/1 | | 1 | 1 | | |
| 75/1 | | 1.5 | 1.5 | | |
| 100/1 | | 2.5 | 3.75 | 1.5 | 2.5 |
| 150/1 | 1.5 | 3.75 | 5 | 2.5 | 5 |
| 200/1 | 2.5 | 5 | 5 | 3.75 | 7.5 |
| 300/1 | 3.75 | 7.5 | 7.5 | 5 | 10 |
| 100/5 | | 2.5 | 3.75 | 1.5 | 2.5 |
| 150/5 | 1.5 | 3.75 | 5 | 2.5 | 5 |
| 200/5 | 2.5 | 5 | 5 | 3.75 | 7.5 |
| 300/5 | 3.75 | 7.5 | 7.5 | 5 | 10 |
4.Drawing
4.Outline Drawing:
5.pthots
