Zeno Electric
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| ZW32-12FG Technical Parameters | ||||
|---|---|---|---|---|
| Number | Items | Unit | Data | |
| 01 | Rated voltage | kV | 12 | |
| 02 | Rated current | A | 630 | 1250 |
| 03 | Rated frequency | Hz | 50 | |
| 04 | Rated insulation level (Dry test) | kV | 42/48 | |
| Rated insulation level (Wet test) | kV | 34 | ||
| Secondary circuit to ground | kV | 2 | ||
| Lightning impulse withstand voltage | kV | 75/85 | ||
| 05 | Rated short circuit breaking current | kA | 50 | 63 |
| 06 | Rated short circuit making current | kA | 20 | 25 |
| 07 | Rated peak withstand current | kA | 50 | 63 |
| 08 | Rated Short-circuit Breaking Current Breaking Times | Times | 30 | |
| 09 | Rated Duration of Short-circuit | s | 4 | |
| 10 | Rated operating voltage and rated voltage of auxiliary circuit | V | DC220 / AC220 / AC/DC220 | |
| 11 | Rated operating sequence | - | OC-0.3s-CO-180s-CO | |
| 12 | Rated current for overcurrent tripping | A | 5 | |
| 13 | Mechanical life | Times | 10000 | |
| 14 | Allowable Cumulative Wear Thickness of Dynamic and Static Contacts | mm | 3 | |
| 15 | Current ratio of current transformer | - | 200/5 400/5 600/5 | |
| 16 | Contact stroke | mm | 9±1 | |
| 17 | Exceed range (the compress length of contact spring) | mm | 2±5 | |
| 18 | Average break speed | m/s | 1.2±0.3 | |
| 19 | Average closing speed | m/s | 0.6±0.2 | |
| 20 | Opening time | ms | 20~40 | |
| 21 | Closing time | ms | 30~60 | |
| 22 | The jump time of contact close break | ms | ≤2 | |
| 23 | Different period of three-phase break and close break | ms | ≤2 | |
| 24 | Resistance of each phase main loop | μΩ | ≤80 (isolation belt ≤150) | |
