KNY61-40.5 AIS switchgear
Main Technical parameters for KYN61 type switchgear
No
Item
Unit
Parameters
1
Rated voltage
KV
40.5
2
Rated frequency
Hz
50
3
Rated insulation level
1min power frequency withstand voltage
KV
Phase to earth
Insulation gap
95
118
Lighting impulse withstand voltage(peak)
185
215
1min power frequency withstand voltage of auxiliary control circuit
V
2000
4
Rated main busbar current
A
1250,1600,2000
5
Rated branch busbar current
A
1250,1600,2000
6
Rated Short Circuit Breaking Current(valid)
KA
25,31.5
7
Rated Short Circuit Making Current(peak)
KA
63,80
8
Rated Short-time Withstand Current(4s)*
KA
25,31.5
9
Rated Peak Withstand Current
KA
63, 80
10
Rated Voltage for Auxiliary Control Circuit
V
-110,~110,-220,~220
11
Protect degree
Enclosure IP4X,
Compartment IP2X
12
Dimension
mm
1200(1400)X2800X2600
- KNY61 switchgear AIS IEC298 Metal clad enclosed switchgear