harmonic eliminated protection 

prodcut warranty 

reliable quality 

acurrate control 

excellent technological working team 

 

 

harmonic eliminated protection

 

1 working power--   DC/AC 220V 1.working power

 

2 voltage class -- 66kV,35 kV,10kV,6kV,3kV and any class below it

 

3 segments of busbar -- 1 segment,2segments or 4 segments

 

4 resonant frequency could be eliminated -- 17Hz(3 frequency demultiplication),25Hz(2 frequency demultiplication),50Hz(power frequency),150Hz(3 times frequency)

 

ferroresonance

 

5 communication -- RS232,RS422 or RS485

 

6 data storage --  4 groups

 

7 tempreture   -- 10°C~40°C

 

8 relative humidity -- ≤95%

 

9 atmospheric pressure -