| Type | Rated voltage ratio (kV) | Accuracy Class Combination | Rated output (VA) | Max.output (VA) | Rated insulation level (kV) |
| JSZW12-6R | 6/√3/0.1/√3/0.22/√3/0.1/3 |
0.5/3/3P | 30、500、30 |
500 |
7.2/32/60 |
| JSZW12-10R | 10/√3/0.1/√3/0.22/√3/0.1/3 | 0.5/3/3P | 30、500、30 | 12/42/75 |