Vacuum interrupter is put in the insulator fulfilled with SF6 to protect it from effect of outer circumstances, thus anti-contamination, anti-condensation, and reliable. Each VCB can equip with 6-12pieces of current transformer according to customer's requirement.
The design performance strictly sticks to our national standard GB1984 - 89 for high voltage alternating current vacuum circuit breaker, and meet the requirements of International Electro technical Commission (IEC) IEC-56 for high voltage alternating current vacuum circuit breaker. It has characteristics of simple structure, small size and easy mounting,.
Ambient temperature:
max +40°C min -15°C(conveyance under -30°C is allowed)
2 Altitude: ≤1000m
3 Relative humidity: daily average relative humidity: ≤95%; monthly average relative humidity≤90%; daily average saturated vapor pressure ≤2.2*10-3 MPa; monthly average value ≤1.8*10-3 MPa
4 Earthquake intensity: ≤8 degree
5 The installation should be free from fire, explosion, severe vibration, chemical corrosion and serious pollution
Order instruction
Complete model and order quantity of the product
Rated current, rated voltage, distance of each poles
Rated short circuit breaking current, operation voltage
Required accessory and quantity
Other requirement please contact with us directly
| Main Technical Data | |||||
| Rated voltage | kv | 40.5 | |||
| Rated current | A | 2000 | |||
| Rated short-circuit breaking current | kA | 31.5 | |||
| Rated short-circuit making current | kA | 80 | |||
| Rated operations of short-circuit breaking current interruption | times | 20 | |||
| Rated out of phase breaking current | kA | 8 | |||
| Out of phase grounding faulting breaking current | kA | 27.4 | |||
| Rated operating sequence | 0-0.3-CO-180s -CO | ||||
| Rated duration of short-circuit | s | 4 | |||
| Rated short-time withstand current | kA | 31.5 | |||
| Rated peak withstand current | kA | 80 | |||
| Opening time | ms | 3-65 | |||
| Closing time | ms | 40-100 | |||
| Average closing speed | m/s | 1.0±0.35 | |||
| Average opening speed | m/s | 2.0±0.35 | |||
| Contact bouncing duration at closing operation | ms | ≤8 | |||
| Three-pole simultaneity | ms | ≤3 | |||
| Rated voltage fufilled with SF6 | Mpa | (CT attached) 0.02 | (CT attached) 0.2 | ||
| Weight | kg | (without CT) 750 | 1000/1150/1300(6pieces CT/ 9pieces CT/12pieces CT) | ||
| Note:Rated characteristics can be given on requirment | |||||
