GFC-40.5 c-gisq gas insulated metal enclosed switchgear
GFC-40 gas insulated metal enclosed switchgear is a joint venture product of Guangzhou Toshiba Baiyun Electrical Equipment Co., Ltd. which introduces advanced technology from Toshiba Co., Ltd. of Japan. It is equipped with GV vacuum circuit breaker and GS isolating / grounding switch of Toshiba company.
The indoor high-voltage switchgear with three-phase AC 50 Hz and rated voltage 36 kV / 40.5 kV in the switchgear room can be used for control and protection of various rail transit, high-rise buildings, factories and substations, etc., especially suitable for the occasions requiring small floor area and harsh environment, such as urban subway, chemical plant, etc.
Product features
1. Introduce the advanced technology of Toshiba Co., Ltd. of Japan and develop the products cooperatively.
2. Good insulation performance, small volume, filled with SF6 gas as insulation medium.
3. Reliable breaking performance, vacuum circuit breaker for arc extinguishing, long service life of spring operating mechanism.
4. High reliability, cabinet sealed, performance not affected by the outside world.
5. Safe structure design, each type has independent pressure relief device, which can protect from the influence of internal failure.
6. "Five prevention" device is reliable, with mechanical and electrical interlocking at the same time.
7. The busbar between cabinets is connected by external solid insulated busbar, which is easy to install.
8. The cable room is spacious and convenient for users to install.
Item# |
Description |
Unit |
Value |
||
1 |
Rated voltage |
kV |
36 |
40.5 |
|
2 |
Rated insulation level |
1min power frequency withstand voltage |
70(Insulation distance:80) |
95(Insulation distance:118) |
|
Lightning impulse withstand voltage |
170(Insulation distance:195) |
185(Insulation distance:215) |
|||
3 |
Rated current |
A |
630、1250、2000、2500 |
||
4 |
4S rated short time withstand current |
kA |
25、31.5 |
||
5 |
Rated peak withstand current |
63、80 |
|||
6 |
Rated working pressure |
MPa |
0.05 |
||
7 |
Annual leakage rate |
% |
<0.5% |
||
8 |
Protection level |
|
Sealing gas chamber IP65, control room IP4X | ||
9 |
Overall dimension (L × W × H) |
mm |
600(Min.)×1700×2450 |