This indoor AC HV vacuum circuit breaker is a type of holistic sealed HV switchgear and is used to control and protect electric apparatus and circuit with frequent operations. It is suitable for the power system of rated voltage 12Kv to 24Kv, three-phase AC 50/60HZ. This indoor vacuum circuit breaker features small volume and compact structure, and conforms to IEC62271, GB3855 and DL403.
Technical Parameters
| Rated voltage | 12Kv，13.8/15.5Kv，24Kv |
| Rated frequency | 50/60 Hz |
| Rated breaking times of short-circuit breaking current | 50 Times |
| Rated operating sequence | O-0.3s-C/O-180s-C/O |
| Rated breaking current of single capacitor bank | 630A |
| Rated breaking current of back-to-back capacitor bank | 400A |
| 1 min P.F. withstand voltage | 50kV |
| Lightning impulse withstand voltage | 125kV |
| Mechanical lifetime | 10000/20000 Times |
| Closing time | Less than 75ms |
| Opening time | Less than 60ms |
| Storage time under rated voltage | Less than 10s |
Founded in 1986, Huayi Electric Co., Ltd. is a major indoor AC HV vacuum circuit breaker manufacturer in China and has been ISO9001: 2000 and ISO14001: 2004 certified. We provide a variety of power transmission and distribution equipment for your choice, including circuit breakers, load break switches and disconnect switches. These products are reliable in quality and have been certified by KEMA, GOST, CCC, TUV, WTGS and CB. If you are looking for such products, we welcome you to contact us immediately! Our products will satisfy you!
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