1.vacuum circuit breaker with IEC standard
2.Reliable and maintenance free
3.Type: VCB
4. OEM service
The mechanism of this VCB is designed as a whole with vacuum interrupter. Specialized 3AF type spring operating structure from Siemens can be operated by manual or carry out direct current energy saving operation. It’s can be designed as 350mm,400mm,460mm and other kinds of phase space, which matches better with different kinds of switchgear, such as fixed type XGN17-40.5,type JYN1-40.5,KY10-40.5.
Ambient condition
1 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 lighting impulse withstand voltage(peak) | kv | 185 | |
| Rated short-time power frequency withstand voltage(1min) | kv | 95 | |
| Rated short-circuit breaking current | kA | 25 | 31.5 |
| Rated current | A | 1250/1600 | 1250/1600/2000 |
| Rated peak withstanding current | kA | 63 | 80 |
| Rated operations of short-circuit breaking current interruption | times | 20 | |
| Rated duration of short-circuit | s | 4 | |
| Rated operating sequence | 0-0.3-CO-180s -CO | ||
| Supply voltage of open and close installation | v | AC,DC220 AC,DC110 | |
| Closing time | ms | 50~100 | |
| Opening time | ms | 30~60 | |
| Rated single capacitor bank breaking current | A | 630 | |
| Rated back to back capacitor bank breaking current | A | 400 | |
| Mechanical life | times | (M1 degree)10000 | |
| Mechanical characteristics adjustment data | |||
| Rated contact stroke | mm | 22±2 | |
| Contact overtravel | mm | 8±2 | |
| Average opening speed | m/s | 1.8±0.2 | |
| Average closing speed | m/s | 0.65±0.2 | |
| Contact bouncing duration at closing operation | ms | ≤3 | |
| Type of operatinf structure | Special 3AV sprinf operating structure | ||
| Three-pole simultaneity | ms | ≤2 | |
| Condactive circuit resistance of each phases | μΩ | ≤45 | |
| Note:Rated characteristics can be given on requirment | |||
