AC 50Hz12kV ISO9000 high voltage indoor vacuum circuit breaker for fixed mounting unit
Negotiable /Set
Min.Order:1 Set
Yueqing Onlybo Instruments Co., Ltd.
AC 50Hz 12kV ISO9000 high voltage indoor vacuum circuit breaker for fixed mounting unit:
The meaning of Model:
Technical Specification
No. | Item | Unit | Data | ||||
1 | Rated voltage | KV | 12 | ||||
2 | Hightest operating voltage | KV | 12 | ||||
3 | Rated current | A | 630, 1000 1250 | 1250, 1600, 2000, 2500 | 1250, 1600, 2000, 3150 | 2000, 2500, 3150 | |
4 | Rated short-circuit breaking current | KA | 20/25 | 31.5 | 40 | 50 | |
5 | Rated short-circuit closing current | KA | 50/63 | 80 | 100 | 125 | |
6 | Rated peak withstand current | KA | 50/63 | 80 | 100 | 125 | |
7 | 4S rated short time withstand current | KA | 20 | 31.5 | 40 | 50 | |
8 |
Rated insulation level | P.F. withstand voltage(Before and after the rated breaking) | KV |
42(Fracture 48) | |||
Impulse witstand voltage(Before and after the rated breaking) | KV |
75(Fracture 84) | |||||
9 | Rated operating order |
| O-0.3 S-CO-180 S-CO | ||||
10 | Mechanical life | Times | 20000 | ||||
11 | Rated short-circult breaking current breaking times | Times |
50 | ||||
12 | Actuator Rated closing voltage(DC) | V | 110,220 | ||||
13 | Actuator Rated opening voltage(DC) | V | 110,220 | ||||
14 | Clearance between open contacts | mm | 11±1 | ||||
15 | Supper Travel(Compressed length of contact springs) | mm | 4±0.5 | ||||
16 | Non corresponding time period between tri-phase opening and closing | ms | ≤2 | ||||
17 | Bounce time of closing contacts | ms | ≤2 | ||||
18 | Average time of opening | s | ≤0.05 | ||||
19 | Average time of closing | s | ≤0.08 | ||||
20 | Opening time | ms | ≤50 | ||||
21 | Closing time | ms | ≤100 | ||||
22 | Main loop resistance of each phase | u Ω | ≤40 | ||||
23 | Allowed accumination thickness between moving contact and static contact | mm | 3 |
Outline Overall and Installing Dimensions
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