ZBF-24A (XGN15-24) ring-network gas insulated metal-enclosed switchgear
ZBF-24A (XGN15-24) ring-network gas insulated metal-enclosed switchgear.
● Model: ZBF-24
● Name: AC gas insulated metal enclosed switchgear RMU
● Scheme options: load switch panel ZBF-24/RK, load switch - fuse combined ZBF-24(T), Vacuum CB panel ZBF-24(V);
● Rated voltage (Ue): 24kV;
● Rated current (Ir): 630A (load switch panel, VCB panel), 100A (LS-Fuse combined panel);
● Short time withstand current (Icw) (4s): 20kA;
● Short circuit drop-out current: 31.5kA (combined panel), 20kA (VCB panel);
● Rated transfer current: 1400A (for T);
● Protect Degree: IP67, shell IP4x;
● Dimension: for RK 1600H *325W *785D (mm), for T 400W, for V 450mm W
SF6 compact co-cabinet gas insulated switchgear (GIS) adopts modular design to meet end user's or network node's requirement, and requirements of electric distribution switch station, box substation and cable branch box. It is structure-tight, safe and reliable, long-life and maintenance free.
Item | C module | F module | V module | CB module | ||
Load | Combined | Vacuum | Isolated/ | Vacuum | Isolated/ | |
Rated voltage(KV) | 12/24 | 12/24 | 12/24 | 12/24 | 12/24 | 12/24 |
Power frequency withstand voltage (KV) | 42/50 | 42/50 | 42/50 | 42/50 | 42/50 | 42/50 |
Lightning impulse withstand voltage (KV) | 95/125 | 95/125 | 95/125 | 95/125 | 95/125 | 95/125 |
Rated current (A) | 630/630 | Note1) | 630/630 | | 1250/60 | |
Breaking capacity | | | | | | |
Closed-loop open circuit current (A) | 630/630 | | | | | |
Cable charging breaking current (A) | 135/135 | | | | | |
5% rated active load breaking current (A) | 31.5/- | | | | | |
Earthing fault breaking current (A) | 200/150 | | | | | |
Earthing fault cable charging breaking current (A) | 115/87 | | | | | |
short circuit breaking current | | Note2) | 20/16 | | 25/20 | |
Closing capacity | 63/52.5 | Note2) | 50/40 | 50/40 | 63/50 | 63/50 |
Short-time withstand current 2s | 25/- | | | | | |
Short-time withstand current 3s | -/21 | | 20/16 | 20/16 | 25/20 | 25/20 |
Mechanical life (times) | 5000 | 3000 | 5000 | 2000 | 5000 | 5000 |