Outdoor Mining Switchgears KRUNK-10(6)-LE (LE-NK)

 

Applications

KRUNK-LE are designed for mobile machine open cast mining electrical equipment internal overhead cables connection 10(6) kV

 

Reliability

Conforms to State Standard of Ukraine 31.2-35036863-007:2009

 

Reference designation structure:

    1         2   3     4

LE-NK-ХХ-Х  ХХ

1 – Outdoor mining switchgear;

2 – Rated voltage, kV;

3 – Modification (S – fixed, P – portable);

4 – Climatic region modification and placement category under GOST 15150

 

KRN order designation example:

KRUNK (LE-NK)-6-P-LE N1

 

Technical data of KRUNK-10(6)-LE (LE-NK)

Parameter	Values
Rated voltage [kV]	6; 10
Maximum operational voltage [kV]	7,2; 12
Main circuits rated current with frequency 50 Hz [A]	630; 1000
Closed rated current [kA]	20; 31,5
Short-time withstand current [kA]	41
Short-time thermal current, 3s [kA]	20; 31,5
Test voltage of industrial frequency [kV]	31; 42
Lead-in type	cable, overhead
Insulation level under GOST 1516.1-76	normal
Degree of protection under GOST 14254-96	IP43