Single-end service assembled chambers KSO-2ХХ series (LE-0-2) are designed to receive and distribute three-phase alternative-current of frequency 50 or 60 Hz and voltage 6 or 10 kV insulated or earthed neutral systems
Applications
LE-O-2 are used in switchgears of voltage 6 or 10 kV for new facilities building, capacity extension, reconstruction and technical modernization of
- Municipal networks distributive transformer substations;
- Civil and infrastructure facilities distributive transformer substations;
- Industrial enterprises distributive transformer substations;
- Municipal electro transport and subway traction substations
- Distributing network reduce substations 35-110/10(6) and 10(6)/0,4 kV
Reference designation structure:
1 2 3 4 5 6 7
LE-О-2-ХХ-ХХ-ХХ/ХХХХ ХХ
1 – Advanced chamber produced by LVEP “Lider Elektrik”
2 –LE-O modification;
3 – Scheme number;
4 – Rated voltage [kV];
5 – Rated closed current [kA];
6 – Rated current [A]’
7 – Climatic region modification and placement category under GOST 15150-69.
LE-О order designation structure:
LE-О-2-14-10-25/630 N3 SS U 31.2-35036863-006:2009
Technical date of КSО-2ХХ (LE-0-2)
| Parameter | Values |
| Rated voltage [kV] | 6; 10 |
| Maximum operating voltage [kV] | 7,2; 12 |
| Collecting buses rated current [A] | 630; 1000 |
| Main circuits rated current [A] |
|
| of frequency 50 Hz | 400; 630; 1000 |
| of frequency 60 Hz | 400;1000 |
| Current transformer rated current [A] | 50; 100; 150; 200; 300;400; 600; 800; 1000 |
| Busbar bridges rated current [A] | 630; 1000 |
| Rated closed current [kA] |
|
| of frequency 50 Hz | 20 |
| of frequency 60 Hz | 16 |
| Short-time withstand current [kA] | 51 |
| Short-time thermal current [kA] | 20 |
| Thermal current time [s] |
|
| at 400 and 630 А: | 1 |
| at 1000 А: | 3 |
| Second circuits rated voltage [V} | 110; 220; 380 |
| Fusing element current [A] | 2; 3,2; 5; 8; 10; 16; 20 |
| Dimensions [mm] |
|
| height | 2600 |
| with | 1000 |
| depth | 1250 |
| Weight [kg] | 315-758 |