Electromagnetic MV Current Transformer for Ring Cabinet / Inflatable Cabinet
1. Product Introduction:
LZZX-12Q current transformer, epoxy resin casting insulation and fully enclosed support construction, encloses 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 50- 60Hz and highest voltage for equipment 12 kV .
2. Technical Data:
Usage terms
1. Ambient temperature: -5-40℃
2. Height above sea level : within 1000m
3. Installation site: indoor
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 | Rated output (VA) cosΦ=0.8 | Rated short-time thermal current Ith (kA/S) | Rated dynamic current Idyn(kA) |
| 0.2(S) | 0.5 | 5P10 |
| 20-200/5 | 0.2S 0.2 0.5S 0.5 | 10 15 | 15 | 15 | 75I1n | 187.5I1n |
| 300/5 | 25 | 50 |
| 400/5 | 31.5 | 63 |
| 500/5 | 31.5 | 63 |
| 600/5 | 40 | 80 |
| 800/5 | 40 | 80 |
4. Outline Drawing:
5.Photos:
