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This Produst named BD-12/630-20(1117C)FOR CIRCUIT BREAKER(ZN63, ZN28),and we can supply other high voltage Components: vacuum interrupters,vacuum circuit breaker,vacuum contactor,operating manchine,outdoor vacuum circuit breaker,indoor high voltage vacuum load switch.
TD-12/1250-20(1117)FOR CIRCUIT BREAKER (ZN63,ZN28) | |||
TD-12/630-20(1117C)FOR CIRCUIT BREAKER (ZN63,ZN28) | |||
Technical parameter | |||
NO | Reference name | Unit | Date |
1 | Rated voltage | kV | 12 |
2 | Rated current | A | 1250/630 |
3 | Rated frequency | Hz | 50 |
4 | Working frequency withstand voltage in short time(1min) | kV | 42 |
5 | Lighting impact withstand voltage | kV | 75 |
6 | Rated short breaking current | kA | 20 |
7 | Rated peak value withstand current | kA | 50 |
8 | Rated short circuit making current | kA | 50 |
9 | Rated short time withstand current | kA | 20 |
10 | Rated short circuit lasting time | S | 4 |
11 | Rated single capacitor group breaking current | A | 630 |
12 | Rated back to back capacitor group breaking current | A | 400 |
13 | Breaking times of rated short circuit breaking current | Times | 50 |
14 | Machine life | Times | 10000 |
15 | Contact ?head auto-closing force | N | 100?50 |
16 | Counterforce at rated contact distance | N | 200?50 |
17 | Limit time Circuit resistance at rated contact force | ?25 | |
18 | Contact head erosion permission length | mm | 3 |
19 | Internal gas pressure of vacuum Arc control device | Pa | ?1.33?10-3 |
20 | Mass of moving parts | kg | ?1.2 |
21 | Mass of vacuum Arc control device | kg | ?3.4 |
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