Switchgears KRU-ATOM-LE series for atomic power stations are designed to receive and distribute three-phase alternative-current of frequency 50 Hz and voltage of 6 or 10 kV in earthed or insulated neutral systems

 

Applications

KRU-АТОМ-LE is designed for atomic power station networks; metallurgical, machine-building, chemical and other industrial substations and installations; for municipal and farm facilities

KRU-АТОМ-LE is belong to 3NO security group conforms to NP306.2.141 classification (in industrial premises free area) under GOST 25804,3

Are not intended for operating in furnace, excavator and marine installations; flameproof and explosive premises with great concentration of current-conductive dust, fumes and destroying insulation chemical deposits  

 

Reference designation structure:

                   1           2   3  4  5  6   7

KRU-АТОМ-LE- ХХ-Х-Х/Х УЗ- Х

1  - switchgears designed and produced by LVEP “Lider Elektrik”;

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;

7 - maintenance type (single-end or double-end)

 

KRU-ATOM-LE order designation example:
KRU-АТОМ-LE-01-6-40/1000 N3-1 SS U 27.1-35036863-020:2014

 

Technical data of  KRU-АТОМ-LE

Parameter	Values
Rated voltage [kV]	6; 10
Maximum operating voltage [kV]	7,2; 12
Current type	alternative
Frequency [Hz]	50
Main circuits rated power [A]	630; 1000; 1600; 2000; 2500; 3150
Collecting buses rated current [A]	630; 1000; 1600; 2000; 2500; 3150
Shot-time thermal current [kA]	40
Short-time withstand current [kA]	128
Second circuits rated voltage [V]: - DC - AC	28; 48; 110; 220 28; 48; 100; 127; 220; 380
Auxiliary placed voltage transformer rated power [kVA]	25; 40