Since 1991
1. Ambient temperature: -15℃~+40℃;
2. Altitude: ≤1000m;
3. Relative humidity: daily average ≤95%, monthly average ≤90%；
4. Earthquake intensity: ≤8 level;
5. Places without fire, explosion hazard, serious filthy, chemical corrosion, as well as intense Vibration.
ZN63(VS1)-12 Indoor High Voltage Vacuum Circuit Breaker
Summary
VS1-12 indoor HV vacuum circuit breaker is a 3-phase AC 50Hz 12kV indoor switch equipment.
1. Installation way: withdrawable type, fixed type,side mounted type;
2. Operating mechanism: spring operating mechanism, permanent magnetic operating mechanism;
3. Pole type: assembled pole, embedded pole;
4. Application: switchgear KYN28-12, XGN-12.
5. Secondary plug: 58pins, 64pins.
※ 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: -15℃~+40℃;
2. Altitude: ≤1000m;
3. Relative humidity: daily average ≤95%, monthly average ≤90%；
4. Earthquake intensity: ≤8 level;
5. Places without fire, explosion hazard, serious filthy, chemical corrosion, as well as intense Vibration.
Model Implication
-12-handcar-indoor-hv-vacuum-circuit-breaker-2.JPG)
Technical Specifications
| NO. | Item | Units | Parameters | ||||
| 1 | Rated voltage | kV | 12 | ||||
| 2 | Rated frequency | Hz | 50 | ||||
| 3 | Rated insulation level |
Rated lightning impulse voltage tolerance | kA | To earth/Phase to Phase42/48 | |||
| 1 MIn frequency voltage | To earth/P hase to Phase75/85 | ||||||
| 4 | Rated short-circu i t breaking curren t | kA | 20 | 25 | 31.5 | 40 | |
| 5 | Rated curren t | A | 630 | 630 | 1250 1600 | 1250 1600 | |
| 1250 | 1250 | 2000 2500 | 2000 2500 | ||||
| 6 | Rated short circuit withstand current | kA | 20 | 25 | 31.5 | 40 | |
| 7 | Rated peak withstand curren t | 50 | 63 | 80 | 100 | ||
| 8 | Rated short-circu i t closing curren t(peak) | 50 | 63 | 80 | 100 | ||
| 9 | Duration of rate d short circuit current | S | 4 | ||||
| 10 | Mechanical life | Time | 10000 | ||||
| 11 | Frequency tolerance of the secondary circuit voltage ( 1 min) | V | 2000 | ||||
| 12 | Rated operat i ng sequence | O－0 . 3s-CO- 1 80s-CO | |||||
| O－ 180s-CO-180 s-CO | |||||||
-12-handcar-indoor-hv-vacuum-circuit-breaker-3.JPG)
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