The JDZX10-12 is a 12kV indoor single-phase voltage transformer designed for use in single-phase or three-phase AC circuits. It is used to measure voltage, electric capacity, and provide protective relaying in systems operating at 50Hz or 60Hz, with a highest equipment voltage of 12kV.
The transformer features a fully enclosed epoxy resin casting structure with low magnetic density and a large creepage distance for external insulation. These features ensure high reliability and pollution resistance. The product is maintenance-free and complies with IEC 60044-2 technical standards, supporting a load power factor of cosΦ=0.8 (lagging).
| Type | Rated primary voltage (kV) |
Rated secondary voltage (kV) |
Accuracy classes combination | Rated output (VA) |
Thermal limiting current (VA) |
Rated insulation level (kV) |
| JDZX10-12 | 11/√3 | 0.11/√3 | 0.2 | 15 | 400 | 12/28/75 |
| 0.5 | 30 | |||||
| 1 | 60 | |||||
| 0.11/√3/0.11/3 | 0.2/6P | 15/50 | 300 | |||
| 0.5/6P | 30/50 |
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