Since 1991
1.Installation way: pole mounted;
2.Operating mechanism: spring operating mechanism and permanent magnetic operating mechanism;
3.Pole type: integrated pole;
4.Application: outdoor 24kV substation, power plant.
5.Operation type: manual, electric, remote control.
ZW32-24 Outdoor High Voltage Vacuum Circuit Breaker
Summary
ZW32-24 outdaoor HV vacuum circuit breaker is a 3-phase AC 50Hz 24kV outdoor switch equipment.
1.Installation way: pole mounted;
2.Operating mechanism: spring operating mechanism and permanent magnetic operating mechanism;
3.Pole type: integrated pole;
4.Application: outdoor 24kV substation, power plant.
5.Operation type: manual, electric, remote control.
※ Product Standards
1.IEC62271-100 High Voltage Switchgear and Controlgear Part 100: AC Circuit-breakers
2.GB1984 High Voltage AC Circuit-breakers
3.GB/T11022 Common Specifications for High-voltage Switchgear and Controlgear Standards
4.JB/T 3855 High Voltage AC Vacuum Circuit-breakers
5.DL/T402 Specification of High-voltage AC Circuit-breakers
※ Environmental Conditions
1.Ambient temperature: -35°C ~ +40°C;
2.Altitude: ≤2000m;
3.Wind speed ≤ 35m/s;
4.Earthquake intensity: ≤8 level;
5.Filthy level: IV;
6.Installation places: No fire, explosion hazard or serious filthy.
Technical Specifications
| No. | Item | Units | Parameters | ||
| 1 | Rated voltage | Kv | 24 | ||
| 2 | Rated frequency | Hz | 50 | ||
| 3 | Rated current | A | 630 | 1250 | |
| 4 | Rated short－circuit breaking current | kA | 20 | 25 | |
| 5 | Rated peak withstand current（peak） | kA | 50 | 63 | |
| 6 | Rated short-circuit closing current（peak） | kA | 40 | 63 | |
| 7 | Rated short-time withstand current and duration | kA/S | 20/4 | 25/4 | |
| 8 | Rated operation sequence | O－0 . 3s-CO-180s-CO | |||
| 9 | Mechanical life | Times | 10000 | ||
| 10 | Breaking times of rated short-circuit breaking current | Times | 20 | ||
| 11 | 1min power frequency withstand voltage | (wet) over the groundlinter phase/fracture | kV | 50/65 | |
| (dry) over the groundlinter phaseffracture | 65/79 | ||||
| Secondary loop | 3 | ||||
| 12 | Lighting impulse withstand voltage(peak) Overthe group，interphase/fracture | KA | 125/145 | ||
Model Implication
Overall Dimensions
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