| Rated Voltage | 12kV, rated frequency 50Hz/60Hz |
| Rated Current | 630A / 1250A |
| Rated Short-time Breaking Current | 20kA, 25kA, 31.5kA (4s) |
| Rated Peak Withstand Current | 50kA, 63kA, 80kA |
| Power-frequency Withstand Voltage (to ground / phase-to-phase) | 42kV; across open contact 48kV |
| Lightning Impulse Withstand Voltage (to ground / phase-to-phase) | 75kV; across open contact 85kV |
| Enclosure Degree of Protection | Enclosure IP4X, solid-sealed live parts IP67 |
| Mechanical Endurance | Load switch 10000 operations, circuit breaker 10000 operations |
| Ambient Operating Temperature | -45℃ ~ +45℃ |
| Standards Compliance | GB3906, IEC62271, Q/GDW730 |
