Description
General
KYN metal-clad withdrawable switchgeear is suitable for 3-phase AC 50Hz/40.5kV single busbar and single busbar
section power system. widely used to accept and distribute electric energy in various fields to control, protect and monitor electric circuit
Features
* Various switch function can be carried out with high voltage compartment doors closed.
* Totally metal-clad and enclosed. Protection degree IP4X to ensure personal safety.
* Good primary circuit insulation.
* Compact constuction to save installation rooom.
* Good flexibility to meet different requirements.
* Withdrawable parts are interchangeable. It is force-saving and smooth to move handcarts in panel.
* Enough space in the cable chamber for multiple cables connection. Installation and maintenance is convenient.
* Simple and reliable mechanical interlocking
Specifications
Item |
Unit |
Parameters |
Rated voltage |
KV |
40.5 |
Power frequency withstand voltage 1 min |
KV |
95 |
Lightning impulse withstand voltage (peak value) |
KV |
185 |
Rated frequency |
Hz |
50 |
Rated current |
A |
1250/1600/2000/2500 |
Rated short circuit breaking current |
KA |
20/25/31.5 |
Rated short circuit making current (peak) |
KA |
50/63/80 |
Rated short time withstand current (4s) |
KA |
20/25/31.5 |
Rated peak withstand current |
KA |
50/63/80 |
Mechanical life |
Times |
20000 |
Operation sequence |
|
O-0.3S-CO-180S-CO |