1.anti-misuse
2.reasonable clearance
3.safe
4.easy-installation
5.easy maintenance
GG-1A(F) high voltage switchgear is an indoor complete power distribution equipment used in 3-10kV three phase Ac 50Hz single busbar or single busbar by-pass system. It is suitable for power transmission for middle and small-scale generators in power plants, power distribution in industrial & mining enterprises, and for power receiving, feedering in the secondary substation of electric system to realize controlling, protecting and monitoring the circuits. The switchgear complies with the standard requirements of GB/T11022.
Main technical data
No. | Name | Unit | Data |
1 | Rated voltage | kV | 12 |
2 | Rated frequency | Hz | 50 |
3 | Rated current of main busbar | A | 630~1000 |
4 | Rated current of branch busbar | A | 630~1000 |
5 | 4s Rated short time withstand current | kA | 16,20, 31.5, 40 |
6 | Rated peak withstand current | kA | 40,50, 80, 100 |
7 | 1 min power frequency withstand voltage (between phases, to ground/across isolating distance) (rms) | kV | 42/48 |
8 | Lightning impulse withstand voltage(between phases, to ground/across isolating distance) | kV | 75/85 |
9 | 1min power frequency withstand voltage of secondary circuit | V | 2000 |
10 | Mechanical life | time | 10000 |
