China 11kv up to 33kv Auto Circuit Recloser Kema Type Tested, Find details about China Outdoor Auto Circuit Recloser, 38kv Auto Circuit Recloser from 11kv up to 33kv Auto Circuit Recloser Kema Type Tested
No. | item | unit | data | |||
1 | Rated voltage | kV | 15 | 27 | 38 | |
2 | Rated current | A | 630 | 1250 | 800 | |
3 | Rated frequency | Hz | 50/60 | |||
4 | Power frequency 1 min | Dry | kV | 50 | 65 | 85 |
Wet | kV | 45 | 55 | 75 | ||
5 | Lightning impulse withstand voltage(peak value) alternate, opposite/fracture | kV | 100 | 125/150 | 170 | |
6 | Rated short circuit breaking current | kA | 20 | 16/25 | 12.5 | |
7 | Rated short current switching current(peak value) | kA | 50 | 40/63 | 31.5 | |
8 | Rated peak value withstand current | kA | 50 | 40/63 | 31.5 | |
9 | 4S short time withstand current | kA | 20 | 16/25 | 12.5 | |
10 | Rated operating circulate | O-T1-CO-12s-CO-12s-CO-12s-CO | ||||
11 | Breaking current frequency under rated short circuit | times | 30 | |||
12 | Mechanism life | times | 10000 | |||
13 | Secondary loop 1 min power frequency withstand voltage | 2 |