| Type | Rated voltage ratio(kV) | Accurate grade and rated secondary load(VA) | limit output(VA) | Reted insulating level(kV) | ||
| Measurement | Monitor | Protection | ||||
| JSZK-3F | 3/√3/0.1/√3/0.1/√3/0.1/3 | 40 | 60 | 50 | 1200 | 3.6/25/40 |
| JSZK-6F | 6/√3/0.1/√3/0.1/√3/0.1/3 | 40 | 60 | 50 | 7.2/30/60 | |
| JSZK-10F | 10/√3/0.1/√3/0.1/√3/0.1/3 | 60 | 90 | 50 | 12/42/75 | |

