Xi'an Xigao Electricenergy Group Co., Ltd.
Xi'an Xigao Electricenergy Group Co., Ltd.
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Three Phase 40.5Kv Outdoor VCB Breaker Power Distribution System
1. Outdoor VCB Breaker
ZN23-40.5 Acb Circuit Breaker is 40.5 KV rated voltage, three-phase ac 50 hz indoor high voltage electrical equipment, applicable to substations, industry and mining, urban and rural electric power networks, especially for occasions with frequent operation and automatic power distribution network.
2. Parameter of Outdoor VCB Breaker
| NO | Item | Units | Technical parameters | |
| 1 | Rated voltage | kV | 40.5 | |
| 2 | Thunder impulse withstand voltage(peak value) | kV | 185 | |
| 3 | lmin industrial frequency withstand voltage | kV | 95 | |
| 4 | Rated frequency | Hz | 50 | |
| 5 | Rated current | A | 1250,1600,2000 | |
| 6 | Rated short-circuit break current | kA | 25 | 31.5 |
| 7 | Rated peak value withstand current | kA | 25 | 31.5 |
| 8 | Rated peak value withstand current | KA | 63 | 80 |
| 9 | Rated short-circuit duration time | s | 4 | |
| 10 | Rated short circuit breaking time | ms | ||
| 11 | Rated short circuit closing current | kA | 80 | |
| 12 | Rated operation order | 0-0.3s-C0-180s-C0 | ||
| 13 | Time of closing brake | ms | 50~85 | |
| 14 | Time of breaking brake | ms | 40~85 | |
| 15 | Rated short-circuit current break and close times | Times | 20 | |
| 16 | Mechanical life-span | Times | 10000 | |
| 17 | Rated dropout current of condenser bank | A | 630 | |
| 18 | Rated power of energy-storage electric machine | W | 275 | |
| 19 | Rated volt of energy-storage motor | V | 25 ± 2 | |
| 20 | Storage time | S | ≤15 | |
| 21 | Closing and opening solenoid rated voltage | V | ≈220,110 | |
| 22 | Loss of pressure tripping device rated voltage | V | ≈220,110 | |
| 23 | Over current tripping device rated current | A | 5 | |
| 24 | Auxiliary switch rated voltage current | A | DC10 | |
3. Working application
Amplitude: earthquake intensity does not exceed 8 °,
Air relative humidity on average less than 95%, on average less than 90%
An ambient air temperature: to +40 °C, the lower limit of -150°C,
Altitude:. ≤ 1000m (For higher altitudes, the rated insulation board level relative increase)
No risk of fire, explosion, serious pollution, chemical corrosion and severe vibration.
4. Technical drawings
5. Factory
