Advantages
Simple structure
Adapt ultra low resistance type vacuum interrupter
Adapt optimization and modular spring operating mechanism
Suitable for occasions with frequent operation
Free maintenance and long service life
High reliable performance
Environmental Conditions
Ambient temperature:-40 °C to+40 °C
Altitude: ≤1000m.
Relative humidity:≤95%
Main Technical Parameters| Item | Description | Unit | Data | |
| 1 | Ratedvoltage | KV | 12 | |
| 2 | Max.voltage | KV | 12 | |
| 3 | Ratedcurrent | A | 630/1250/1600/2000/2500/3150 | |
| 4 | Ratedbreakcurrentonshorting | KA | 20/25/31.5/40/50 | |
| 5 | Ratedshortcircuitmakingcurrent | KA | 50/63/80/100/125 | |
| 6 | Ratedpeakwithstandcurrent | KA | 50/63/80/100/125 | |
| 7 | 4SRatedwithstandcurrent | KA | 31.5/40/50 | |
| 8 | Ratedinsulationlevel | Powerfrequencyvoltage(whenlosingacircuit) | KV | Dreaker48 |
| Impulsewithstandvoltage(whenlosingacircuit) | Dreaker84 | |||
| 9 | Ratedoperatingsequence | OC-0.3s-CO-180S-CO | ||
| 10 | Mechanicallife | Times | 10000 | |
| 11 | Opencircuittimesofratedshortdropoutcurrent | Times | 50 | |
| 12 | Ratedclosebrakevoltageofoperatingmachnie | V | 110,220 | |
| 13 | Ratedbreakbrakevoltageofoperatingmachnie | V | 110,220 | |
| 14 | Clearancebetweenopencontacts | mm | 11±1 | |
| 15 | Exceedrange(thecompresslengthofcontactsping) | mm | 4±0.5 | |
| 16 | Differentperiodofthree-phasebreakandclosebreak | ms | ≤2 | |
| 17 | Thejumptimeofcontactclosebreak | ms | ≤2 | |
| 18 | Averagebreakspeed | m/s | 0.9~1.2 | |
| 19 | Averageclosingspeed | m/s | 0.6~1.2 | |
| 20 | Closingtime | s | ≤0.1 | |
| 21 | Resistanceofeachphasemainloop | μΩ | ≤40 | |
| 22 | Contactslimitersion | mm | 3 | |
| Ratedcurrent(A) | 630 | 1250 | 1600 |
| Ratedshort-timewithstandcurrent(kA) | 20,25,31.5 | 25,31.5,40 | 31.5,40 |
| Interphasedistance(mm) | 210±1. | ||
Product picture details(Real product picture, unprocessed)