ZW32-12 Permanent magnetic outdoor vacuum circuit breaker
- Brand:
- Type: ZW32-12
ZW32-12 Outdoor High Voltage Vacuum Circuit Breaker
Summary
ZW32-12 outdoor HV vacuum circuit breaker is a 3-phase AC 50Hz 12kV outdoor switch equipment.
♦ Installation way: pole mounted;
♦ Operating mechanism: spring operating mechanism and permanent magnetic operating mechanism;
♦ Pole type: assembled pole, integrated pole,embedded pole;
♦ Application: outdoor 12kV substation, power plant.
♦ Operation type: manual, electric, remote control.
※ Product Standards
♦ IEC62271-100 High Voltage Switchgear and Controlgear Part 100: AC Circuit-breakers
♦ GB1984 High Voltage AC Circuit-breakers
♦ GB/T11022 Common Specifications for High-voltage Switchgear and Control gear Standards
♦ JB/T 3855 High Voltage AC Vacuum Circuit-breakers
♦ DL/T402 Specification of High-voltage AC Circuit-breakers
※ Environmental Conditions
♦ Ambient temperature: -35°C ~ +45°C;
♦ Altitude: ≤1000m;
♦ Wind speed ≤ 35m/s;
♦ Earthquake intensity: ≤8 level;
♦ Filthy level: IV;
♦ Installation places: No fire, explosion hazard or serious filthy.3
Technical Specifications
| No. | Item | Units | Parameters | ||
| 1 | Rated voltage | kV | 12 | ||
| 2 |
Rated insulation level |
1min powerfrequency withstand voltage |
Dry | kV | To earth 、phase to phase 42 Fracture 48 |
| Wet | external insulation 34 | ||||
| Lightning impulse withstand voltage (peak) | To earth 、phase to phase 75 Fractu re 85 | ||||
| 3 | Rated frequency | Hz | 50 | ||
| 4 | Rated current | A | 630 | ||
| 5 | Rated short-circuit breaking cu rrent | kA | 12.5/16/20 | ||
| 6 | Rated short-circuit closed cu rrent (peak) | kA | 50 | ||
| 7 | Rated peak withstand cu rrent | kA | 50 | ||
| 8 | Rated short-t ime withstand current(4s) | kA | 20 | ||
| 9 | Rated operating sequence | O-0.3s-CO-180s-CO | |||
| 10 | switch on/opening time | ms | 25~50/15~50 | ||
| 11 | Rated short-circu1t breaking current breaki ng times | Times | 30 | ||
| 12 | Mechanism life | Times | 10000 | ||
| 13 | The control circuit and auxiliary circuit 1 min power frequency withstard voltage | v | 2000 | ||
| 14 | Rated operating voltage and auxiliary circuit rated voltage | v | DC220/AC220 | ||
| 15 |
Over－current tripper |
Rated current | a | 5 | |
| Tripping current precision | % | ± 1 | |||
Model Implication
Overall Dimensions
