The HXGN-12 AC Metal-enclosed Ring Main Unit Switchgear which is produced by ROOQ Electric Group is a new product designed. It is produced as per the standard of IEC62271-200 and GB3906. The HXGN-12 switchgear is mainly applicable to 50Hz three-phase AC network for receiving and distributing energy. Mainly applicable is in urban power grid construction and renovation project.
The design, manufacture and commissioning of HXGN-12 which produced by ROOQ Electric Group totally comply with the requirements of current national standards, power industry standards and relevant IEC standards.
IEC298 AC metal enclosed switchgear
GB3906 3-35kv AC metal enclosed switchgear
GB11022 General technical conditions for high voltage switchgear
GB1984 AC high voltage circuit breaker
GB311 Insulation coordination of high voltage transmission and transformation equipment
GB763 Heating of AC high voltage apparatus during long-term operation
SD/T318 Technical conditions for locking device of high voltage switchgear
GB2706 Dynamic thermal stability test method for AC high voltage apparatus
DL/T593 Common ordering technical conditions for high voltage switchgear
GB3309 Mechanical test of high voltage switchgear at room temperature
Technical Parameter
Item | Unit | technica parameter | |
Rated voltage | kV | 12 | |
Rated current | A | Load break switch: 630 | |
Rated short-circuit current | kA | Combination units: 50 | |
Rated peak withstand current | kA | Primary system: 50, 63, 80, 100 | |
Rated insulation level | 1 min Power frequency withstand | kV | 42 |
Lightning impulse voltage (full wave) | kV | 75 | |
Rated Frequency | Hz | 50 | |
Rated current of main busbar | A | 630 | |
Rated current of branch busbar | A | 630 | |
4S thermal stability current (effective value) | kA | 20 | |
Rated dynamic stability current | kA | 50 | |
Protection Level | IP3X | ||
| 1. Shell frame | 2. Main busbar compartment | 3. Load switch |
| 4. Earth switch | 5. Instrument cubicle | 6. Operating mechanism |
| 7. Live display and lighting button in cabinet | 8. Observation window | 9. Middle of front door |
10. Front lower sealing plate |
