DFE provide various armored removable AC metal-enclosed switchgear which is an indoor power distribution device with control, protection, and metering circuits for various voltage level. They are widely used in power plants, substations, and industrial and mining enterprises receive and distribute electrical energy.
The switchgear complies with the IEC298，GB3906，DL404 standard, protection level is IP4X.
| Rated voltage | kV | 35 |
| The maximum working voltage | kV | 40.5 |
| Rated power frequency withstand voltage | kV | 95 |
| Rated lightning impulse withstand voltage | kV | 185 |
| Rated frequency | Hz | 50/60 |
| Rated current | A | 2500 |
| Rated short-circuit making current(peak) | kA | 80 |
| Rated short-circuit breaking current symmetrical | kA | 31.5 |
| Rated short-circuit duration 4s | kA | 31.5 |
| The secondary voltage | V | AC/DC:220/110 |
