17.5kV Medium Current Transformer Single-Phase Epoxy Resin Type Outdoor For Metering Current Usage Multi-Winding Epoxy Resin Casting
1.Product Introduction:
LZZBW-12(17.5) current transformer Adopts outdoor resin casting and belongs to support type full-closed structure, 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 50Hz or 60Hz and highest voltage for equipment 12 kV (Up to 17.5kV).
Main technical parameter
1. Rated voltage: 12/28/75KV;17.5/38/95KV
2. Rated Frequency:50/60HZ
3: Installation Site: Outdoor
4. Standards: IEC60044-1.2
Specification:
| Rated primary current (A) | Secondary accuracy classes combination | Rated output (VA) | Rated short-time thermal current (kA/S) | Rated dynamic current ( kA) |
| 0.2(S) | 0.5 | 10P |
| 50-200/5 | 0.2(S)/0.2(S) 0.2(S)/0.5 0.2/(S)10P 0.5/10P 0.2S/0.5/10P 0.2/0.5/10P | 10 15 | 15 | 15 20 | 150I1n | 375I1n |
| 300/5 | 31.5 | 80 |
| 400/5 | 31.5 | 80 |
| 500/5 | 40 | 100 |
| 600/5 | 50 | 125 |
| 800/5 | 63 | 125 |
| Rated primary current (A) | Secondary accuracy classes combination | Rated output (VA) | Rated short-time thermal current (kA/S) | Rated dynamic current ( kA) |
| 0.2(S) | 0.5 | 10P |
| 50-200/5 | 0.2(S)/0.2(S) 0.2(S)/0.5 0.2/(S)10P 0.5/10P 0.2S/0.5/10P 0.2/0.5/10P | 10 15 | 15 | 15 20 | 8 | 20 |
| 300/5 | 15 | 37.5 |
| 400/5 | 20 | 50 |
| 500/5 | 30 | 75 |
| 600/5 | 50 | 125 |
| 800/5 | 63 | 125 |
Remarks: Upon request we are glad to offer transformers according to other standards or with non-standard technical specs.
Outline drawing
