Description:
Main advantages Safe and reliable, able to meet operational requirements under special conditions Over 22 years of manufacturing experience Brand vacuum arc extinguishing chamber and fixed sealing pole Reliable operating mechanism Excellent operational system ensures stable quality and convenient delivery Complete solutions, convenient ordering, and easy installation Accept OEM&ODM:YES Certificate: CE,Test reports Production time: 7~ 12 working days Warranty period: 12 Months Delivery time: 15 days Payment term: 50% deposit before production+50% balance before shipment(by T/T,D/P,Paypal)
| No. | Item | Unit | Data | |||
| 1 | Rated voltage | KV | 12 | |||
| 2 | Rated frequency | Hz | 50 | |||
| 3 | Rated lightning impulse withstand voltage (peak) | KV | 75 | |||
| 4 | Rated short-time power frequency voltage (1 min) | KV | 42 | |||
| 5 | Rated current | A | 630、1250 | 630、1250 | 1250、1600 2000、2500 | 1600、2000、 2500、3150、 4000、5000 |
| 6 | Rated short circuit breaking current | KA | 20 | 25 | 31.5 | 40 |
| 7 | Rated short circuit making current (peak) | KA | 50 | 63 | 80 | 100 |
| 8 | Rated short circuit duration | S | 4 | |||
| 9 | Rated operating sequence | O-0.3s-CO-180s-CO O-180s-CO-180s-CO (40KA) | ||||
| 10 | Rated single /back to back capacitor bank breaking current | A | 630/400 | |||
| 11 | Rated short circuit current breaking time | Times | 30 | |||
| 12 | Opening time | MS | 35~70 | |||
| 13 | Closing time | ms | 20~50 | |||
| 14 | Mechanical life | Times | 10000 | |||
| 15 | Rated energy storage and operating voltage | V | AC220/110DC220/110 | |||
| 16 | Contact stroke | mm | 11±1 | |||
| 17 | Contact overtrave | mm | 3.5±0.5 | |||
| 18 | Average closing speed | m/s | 0.5~0.8 | |||
| 19 | Average opening speed | m/s | 0.9~1.2 | |||
| 20 | Contact closing bounce time | ms | ≤2 | |||
| 21 | Three-phase opening,closing asynchronous | ms | ≤2 | |||
| 22 | The main circuit resistance | μ Ω | ≤50 (630A)≤45 (1250A) ≤35 (1600~2000A)≤25 (more than 2500 | |||
