KRU switchgears are designed for single or double-end maintaining for single or double-line installation
Reference designation structure:
1 2 3 4 5 6
LЕ-К-10 ХХХ/ХХ/ХХ/ХХХХ NЗ
1 – packaged switchgear designed and produced by LVEP “Lider Elektrik” with cassette type switch;
2 – main circuits scheme number;
3 – rated voltage [kV];
4 – rated closing current [kA];
5 – rated current [A];
6 –climatic region modification and placement category
KRU-LЕ-К-10 order designation example:
KRU-LЕ-К-10-102-10-400/630 NЗ SS U 31.2-35036863-014:2009
Technical data of KRU-LЕ-К-10
| Parameter | Values |
| Rated voltage [kV] | 6; 10 |
| Maximum operated voltage [kV] | 7,2; 12 |
| Main circuits rated current [A] | 630; 1000; 1600; 2500; 3150; 4000 |
| Collecting buses rated current [A] | 630; 1000; 1600; 2500; 3150; 4000 |
| Short-time thermal current [kA] | 20; 31,5; 40 |
| Thermal current time [s]
|
3 1 |
| Short-time withstand current [kA] |
51; 80 |
| Auxiliary circuits rated voltage [V]:
|
24; 48; 110; 220 24; 48; 100; 127; 220 |
| Auxiliary placed transformer rated power [kVA] | 25, 40 |
| Idling value [A]
|
0,4 0,6 |
| Isolation level under GOST 1516.1 | normal |
| Isolation type | air, combined |
| Current-carrying Isolation presence | With, without, partly |
| Withdrawable elements presence | with or without |
| Line type connections | cable, bus |
| Maintenance type | single-end, double-end
|
| Degree of protection under GOST 14254 | IР20 |