1. 380 kv breaker tripping time 14 -15 ms and closing time 78-79 ms
2. Breaker coil current a. Closing coil current 5-6 Amps b. Tripping coil current 13-14.5 Amps
3. PD first stage timeing 500 ms second stage 2.5 s
4. Breaker Filure first stage timeing 100 ms second stage 200 ms
