MV Current Transformer / Instrument Transformer for Switchgear
1. Product Introduction:
Epoxy resin casting insulation and fully enclosed support construction, encloses the primary & secondary windings and annular core in the epoxy resin casting body. The product has the feature of light weight, omni-directional installation, withstanding nastiness and dampness. It is widely used for measuring current, electric energy and protective relaying in the electrical system with the rated frequency 50Hz or 60Hz and highest voltage for equipment 12kV.
2. Technical Data:
Main technical parameter
1. Rated insulation voltage: 12/28/75kV etc.
2. Rated frequency: 50/60hz
3. Installation Site: Indoor
4. Standards: IEC60044-1(IEC61869-1&2)
3. Specification:
| Rated transformation ratio(A) | Accuracy classes combination | (VA) Rated output | (ALF) | (FS) | Ith(kA/S) | Idyn (kA) |
| Measuring | Protective |
| 0.2(S) | 0.5 | 10P |
| 10-200/5 | 0.2(S)/0.2(S) 0.2(S)/0.5 0.2(S)/10P 0.5/10P 0.2(S)/0.5/10P 0.2(S)/0.5/10P/10P 0.2(S)/0.5/10P/10P/10P 0.2(S)/0.5/10P/10P/10P/10P | 10 15 | 15 | 15 20 | 10 15 20 | 5 (10) | 150I1n | 375I1n |
| 300/5 | 31.5 | 80 |
| 400/5 | 31.5 | 80 |
| 500/5 | 40 | 100 |
| 600/5 | 50 | 125 |
| 800/5 | 63 | 125 |
| 1000/5 | 80 | 160 |
| 1200～1500/5 | 80 | 160 |
| 1500～2000/5 | 100 | 160 |
| 2500～3150/5 | 100 | 160 |
| 4000～6000/5 | 100 | 160 |
4. Outline Drawing:
5.Photos:
