The JSZV8-12R is a 12kV indoor three-phase voltage transformer with epoxy resin casting and fully enclosed construction. Equipped with built-in fuses, it is designed for measuring voltage, electric energy, and protective relaying in electrical systems operating at 50Hz or 60Hz, with a maximum equipment voltage rating of 12kV.
This transformer offers high reliability, a low magnetism core for improved accuracy, and a large creepage distance to ensure excellent external insulation. It is maintenance-free and complies with international standards IEC 60044-2 and IEC 61869-1 & 3, making it suitable for stable and safe operation in indoor power systems.
| Type | Rated primary voltage (kV) |
Rated secondary voltage (kV) |
Accuracy classes combination | Rated output (VA) |
Thermal limiting current (VA) |
Rated insulation level (kV) |
| JSZV8-12R | 3 6 10 1 |
0.1 0.11 0.22 |
0.2 | 25 | 2×600 | 12/28/75 12/42/75 |
| 0.5 | 50 | |||||
| 1 | 100 | |||||
| 0.1/0.1 0.11/0.11 |
0.2/0.2 | 15/15 | 2×300/300 | |||
| 0.2/0.5 | 15/25 | |||||
| 0.5/6P(3P) | 30/600 | 2×600 |
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