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VSG-24 indoor HV vacuum circuit breaker is a 3- phase AC 50Hz 24kV indoor switch equipment
♦ Operating mechanism: spring operating mechanism;
♦ Pole type: assembled pole: embedded pole;
♦ phase-to-phase distance: 275mm;
Environmental Conditions
♦ Ambient temperature:-15°C ~+40°C;
♦ Altitude:
♦ Relative humidity: daily average ;
♦ Earthquake intensity:
♦ Places without fire, explosion hazard, serious filthy, chemical corrosion, as well as intense vibration.
Main Technical Parameters
| No | Item | Unit | Value |
| 1 | Rated voltage | kV | twenty four |
| 2 | 1 min power frequency withstand voltage | 65 | |
| 3 | Rated lightning impulse withstand voltage | 125 | |
| 4 | Rated frequency | Hz | 50/60 |
| 5 | Rated current | / | 630, 1250, 1600, 2000, 2500,3150 |
| 6 | Rated short circuit breaking current | kA | 25, 31.5 |
| 7 | Rated short circuit making current (peak) | 63, 80 | |
| 8 | Rated short time withstand current | 25, 31.5 | |
| 9 | Rated peak value withstand current | 63, 80 | |
| 10 | Rated short circuit duration | S | 4 |
| 11 | Rated operating sequence | O-0.3s-CO-180s-CO | |
| 12 | Secondary circuit power frequency withstand voltage (1min) | IN | 2000 |
| 13 | Rated single/back-to-back capacitor bank breaking current | kA | 630 |
| 14 | Breaking time | ms | 20~50 |
| 1; | Opening time | 35-70 | |
| 16 | Mechanical life | times | 10000 |
| 17 | Electrical life | E2 class | |
| 18 | Power of energy storage motor | IN | 90 |
| 19 | Control circuit power supply voltage | IN | AC/DC110/220 |
General Structure Drawing and Installation Size (unit: mm)
♦Draw out type
| Rated current (A) | 630 | 1250 | 1600 |
| Rated short circuit breaking current (kA) | 25, 31.5 | 25, 31.5 | 31.5 |
| Fixed contact size (mm) | 035 | 049 | 055 |
| Phase-to-phase distance (mm) | 275 | ||
VSG-24 indoor HV vacuum circuit breaker is a 3-phase AC 50Hz 24kV indoor switch equipment.
♦ Operating mechanism: spring operating, mechanism;
♦ Pole type: assembled pole, embedded pole;
♦ phase-to-phase distance: 275mm;
♦Ambient temperature: -15℃~+40℃;
♦Altitude: ≤1000m;
♦Relative humidity: daily average ≤95%, monthly average ≤90%；
♦Earthquake intensity: ≤8 level;
♦ Places without fire, explosion hazard, serious filthy, chemical corrosion, as well as intense
vibration.
