Item Name: ZN85-40.5(3AV3) series Indoor Vacuum Circuit Breaker
ZN85-40.5(3AV3) Indoor AC high voltage vacuum circuit breaker (abbreviation cf"circit-breaker") serves in the industrial &mineral enterpise and power plant and subsation to function as protecting and controlling equipment in power system of three-phase AC, 50Hz and 35KV. It can also perform in the occasions featuring frequent operation.
Standard: GB1984, JB3855
ZN85-40.5(3AV3) Indoor AC high voltage vacuum circuit breaker (abbreviation cf"circit-breaker") serves in the industrial &mineral enterpise and power plant and subsation to function as protecting and controlling equipment in power system of three-phase AC, 50Hz and 35KV. It can also perform in the occasions featuring frequent operation.
Standard: GB1984, JB3855
| Item | Unit | Data | ||
| Rated Voltage | kV | 40.5 | ||
| Rated insulation | 1min power frequency withstand voltage | kV | 95 | |
| lightning impulse withstand voltage(peak) | kV | 185 | ||
| Rated Current | A | 1250 | 1600 | |
| Rated Frequency | Hz | 50 | ||
| Rated short-time withstand current | kA | 25 | 31.5 | |
| Rated peak withstand current(peak) | kA | 63 | 80 | |
| Rated short-circuit breaking current | kA | 25 | 31.5 | |
| Rated short-circuit making current(peak) | kA | 63 | 80 | |
| Rated short-circuit duration | s | 4 | ||
| Rated operating order | O-0.3S-CO-180S-CO | |||
| Breaking time | ms | < 80 | ||
| Breaking times of rated short-circuit breaking current | time | 20 | ||
| Rated breaking current of capacitor bank | A | 630 | ||
| Mechanical life | time | 10000 | ||
| Rated operating voltage | V | AC/DC100, AC/DC220 | ||
| Model NO.: | ZN85-40.5 |
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| Standard: | Iec 6271-100&60694 |
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