Outdoor two-column disconnectors RDMZ-LE series are designed for deenergized circuit HV section switching and switch off sections earting by means of eathing devises
Applications
Disconnectors RDMZ-35-LE are used in distribution transformer substations of 35 kV
Disconnectors are produced for rated currents 1000 and 2000 A with normal or reinforced insulation
Reference designation structure:
1 2 3 4 5 6 7
RDNZ-X-35B/ХХХХ-LE NC1
1 – Advanced two-colomn disconnector;
2 – Earthing presence;
3 – Earthing number (1; 2);
4 – Rated voltage [kV];
5 – Insulation index under GOST 9920-89 (in case of A is omitted);
6 – Rated current [A];
7 – Climatic region modification and placement category under GOST 15150-69
RDMZ-35-LE order designation example:
RDMZ-2-35B/1000-LE NC1
Technical data of RDMZ-35-LE
|
Parameter
| Values | |
| RDMZ-35/1000-LE | RDMZ-35/2000-LE | |
| Rated voltage [kV] | 35 | 35 |
| Maximum operating voltage [kV] | 40,5 | 40,5 |
| Rated current [A] | 1000 | 2000 |
| Maximum peak short-time withstand current [kA] | 63 | 80 |
| Short-time withstand current [kA] | 25 | 31,5 |
| Thermal current time [s]: |
|
3 |