Lighting  Arrester

lighting_arrester

 

 

The surge arrester has the following protective characteristics:

  1. Rated Voltage(RMS)                                                  9/9 KV          33/36 KV
  2. Max Continuous Operating Voltage (MCOV)              7.65 KV         29 KV
  3. Standard Nominal dischargecurrent (8/20 micro second)                                  5/10 KA         5/10 KA
  4. Lightning impulse (8/20 micro second)maximum residual voltage                                       35 KV           110 KV
  5. Impulse withstand level on the arrester housing.
  6. i) Lightning impulse voltage                               95 KV           200 KV
  7. ii) Power frequency voltage (dry)                       35 KV          95 K

iii) Power frequency voltage (wet)                      30 KV          80 KV