Load break switch
FZRN-40.550-20 Vacuum Load breaker switch
- Product ID：Load break switch
- Phone: 18900751339
- Tel: 0731-85499326
- Email: email@example.com
- Time: 2020-06-05
FZRN -40.5/50-20 vacuum disconnect load break switch and fuse combination apparatus is used for 35kV substation, small volume, convenience for installation,especially for no power-supply area, it is easy and safe for changing the fuse.
1. Altitude: 1000m;
2. Ambient temperature: -40 ~+40 ;
3. Relative humidity: daily average 95 , monthly average 90 ;
4. Earthquake intensity: 8 degree;
5. Pollution grade: degree.
The short-circuit breaking current can up to 20kA, long mechanism life, there is an security linkage between main switch, disconnect blade and earthing blade, it can operate frequently. It according to the standard of GB16927, IEC420 & IEC62271-105.