XGN 15 -12 Series Insulated Ring-main unit, a combination of foreign advanced technology and domestic power-supply demand, is designed and manufactured by WEG Group. Certified by integrated inspection and long-term trial operation, its performance has detinitely entirely reached standards of IEC298 AC Enclosed Switchger Equipment , and its protective grade is up to the standard of IP4X. Characterized by its small size, easy handing and convenitnt mainntenance, the ring-type Network Switchgear has become a new unember of Middle-voitage products widely used in construction of urban and rural electric network.
| Item |
Unit |
Load-switch |
Switch-fuse
combinations panel
|
C.B. Panel |
| Rated Voltage |
kV |
12 |
12 |
12 |
| Rated Frequency |
Hz |
50 |
50 |
50 |
| Rated Current |
Main Busbar |
A |
1250 |
1250 |
1250 |
| Main Circuit |
630 |
200 |
1250 |
| Rated short circuit closed current |
A |
630 |
|
|
| Rated cable charging current |
A |
35 |
|
|
| Rated SF6 gas pressure |
MPa |
0.045 |
0.045 |
|
| Circuit resistance |
µΩ |
≧400 |
≧400 |
≧400 |
| Rated short -time withstand current (r.m.s) (3s) |
kA |
20* |
20* |
20* |
| Rated Peak withstand current (Peak) |
kA |
50 |
50 |
50 |
| Mechanical endurance |
Load Switch |
operations |
3000** |
3000** |
10000 |
| Earthing Switch |
1000 |
1000 |
1000 |
| Rated Power-Frequency withstand Voltage(1min) |
kV |
42/48 |
42/48 |
42/48 |
| Rated Lightning Impulse withstand Voltage |
kV |
75/85 |
75/85 |
75/85 |
| Enclosure Protection Level |
|
IP4X |
IP4X |
IP4X |
* :with ABB SFG Load Switch (2s): 25kA, 63kA (Peak)
** :with ABB SFG Load Switch(5000 operations), Earthing Switch (2000 operations)
