| Rated Voltage / Frequency | 12kV, 50Hz/60Hz |
| Rated Current (Load Switch Unit) | 630A |
| Rated Current of Fuse-combination Unit | 125A |
| Rated Short-time Withstand Current (4s) | 20kA, 25kA |
| Rated Peak Withstand Current | 50kA, 63kA |
| 1min Power-frequency Withstand Voltage (phase-to-phase / to ground | across open contact) | 42kV | 48kV |
| Lightning Impulse Withstand Voltage (phase-to-phase / to ground | across open contact) | 75kV | 85kV |
| Degree of Protection | Enclosure IP2X~IP3X, gas-compartment type internal IP67 |
| Mechanical Endurance | Load switch ≥10000 operations, operating mechanism ≥5000 operations |
| SF6 Gas Compartment Rated Operating Pressure (at 20℃) | 0.04MPa, annual leakage rate ≤0.5% |
| Applicable Standards | GB3906, IEC62271-200 |
