No. |
Item |
Unit |
Data |
3.1 |
Rated voltage |
kV |
3.6,7.2,12,24 |
3.2 |
Rated current of circuit breaker |
A |
630,1250,1600,2000,2500,3150,4000,5000 |
Rated current of switchgear |
A |
630,1250,1600,2000,2500,3150,4000,5000 |
3.3 |
Rated frequency |
Hz |
50 OR 60 |
3.4 |
Rated short-circuit breaking current |
kA |
16,20,25,31.5,40,50 |
Rated short-time withstand current |
kA |
16,20,25,31.5,40,50 |
Rated short circuit continuous time |
s |
4 |
3.5 |
Rated peak withstand current |
kA |
40,50,63,80,100,125 |
Rated short-circuit closing current(peak) |
kA |
40,50,63,80,100,125 |
3.6 |
Rated insulation level: 1min power frequency withstand voltage |
kV |
24,32,42 between poles, pole to earth |
kV |
24,32,48 between open contacts |
3.7 |
Rated insulation level: Lighting impulse withstand voltage(peak) |
kV |
40,60,75 between poles, pole to earth |
kV |
46,70,85 between open contacts |
3.8 |
Rated power frequency withstand voltage |
kV |
95/1min |
3.9 |
Protection level |
Switchgear shell |
|
IP40 |
Compartments(door opened) |
|
IP2X when the CPT and CB doors are open. |