Parameter |
Value |
Nominal operating voltage (NV), alternative, kV |
0.23 |
Nominal frequency of operating voltage, Hz |
50 |
Nominal current, А, max |
45 |
Nominal short-time withstand current (within 1 sec), кА, max |
3 |
Nominal conventional short circuit current, кА, max |
3 |
Nominal voltage of power supply for auxiliary circuits, alternative, V |
220 |
Nominal insulation voltage, V |
300 |
Maintenance of the main and auxiliary electric circuits |
one-sided |
Operating ambient temperature, °С |
|
- for Climatic Category U |
from minus 45 to +45 |
- for Climatic Category UHL |
from minus 60 to +40 |
Relative humidity, at ambient temperature +25оС, %, max |
98 |
Above sea level height, m, max |
1 |
Protection category for units' housing, GOST 14254-96, on top, side surface / bottom |
IP43 / IP31 |
Number of cathodic protection converters placed inside a unit |
1 - 4 |
Nominal output power for cathodic protection converters placed inside a unit, kW |
0.35 - 5.0 |
Number of shared protection stations placed inside a station |
1, 2 |
Number of automatic switch units for a back-up converter (AVRP) |
1 |
Dimensions of an assembled unit (length, width, height), mm, max |
|
- with cable entry |
2035 x 1210 х 2420 |
- with air entry |
2035 х 1210 x 3230 |
Weight of an assembled station (with no cathodic protection converters and shared protection stations), kg, max 2) |
|
- with cable entry |
400 |
- with air entry |
420 |