| Rated Voltage | 12kV, rated frequency 50Hz/60Hz |
| Rated Current | 630A (C/F unit); 1250A (V circuit breaker unit) |
| Rated Short-time Withstand Current | 20kA/3s, 25kA/3s |
| Rated Peak Withstand Current | 50kA, 63kA |
| 1min Power-frequency Withstand Voltage (to ground / across open contact) | 42kV / 48kV |
| Lightning Impulse Withstand Voltage (to ground / across open contact) | 75kV / 85kV |
| Gas Compartment Degree of Protection | IP67; enclosure IP4X |
| SF6 Gas Rated Pressure (at 20℃) | 1.4bar, annual leakage rate ≤0.2‰ |
| Mechanical Endurance | Load switch 10000 operations; circuit breaker 10000 operations |
| Standards Compliance | GB3906, IEC62271-200 |
| Design Service Life | ≥30 years |
