- Place of Origin:CN;ZHE
- Type:Vacuum
- Poles Number:3
- Brand Name:YUFLY
- Model Number:VS1
- Application:Indoor
- Structure:Fixed type and drawer type
- Rated voltage:12kV 24kV
- Rated current:630A 1250A 1600A
- Phase distance:150 210 250 275mm
VS1-12/24 model indoor AC HV vacuum circuit breaker can be used in indoor with three phases, 50Hz, rated voltage 12/24KV system. It mainly serves in mineral enterprise, power plant and substation for control and protection of electric equipment. It can be installed both in trolley type switchgear and fixed type switchgear.
Table 1 Basic parameter | |||||
Name | Unit | Value | |||
Rated voltage | kV | 12/24 | |||
Rated current | A | 630/1250 | |||
Rated frequency | Hz | 50/60 | |||
Rated insulation level | Lightning impulse withstand voltage | Phase to phase, phase to earth | kV | 75 | |
Insulating distance of contact | 85 | ||||
1min power frequency withstand voltage | Phase to phase, phase to earth | 42 | |||
Insulating distance of contact | 49 | ||||
4s rated short time withstand current | kA | 31.5 | |||
Rated short circuit break current | 31.5 | ||||
Rated peak value withstand current | 80 | ||||
Rated short circuit making current | 80 | ||||
Rated operation sequence | O-0.3s-CO-180s-CO | ||||
Break times of rated short circuit current | Times | 50 | |||
Mechanical life | 20000 | ||||
Break current of rated different phases earth fault | kA | 27.4 | |||
Break current of rated single capacitor bank | A | 400 | |||
Break current of rated back to back capacitor bank | 400 | ||||
24kV vacuum circuit breaker outline drawing:
12kV vacuum circuit breaker outline drawing:
LINHAI YUFLY COMMERICAL CO., LTD. (YUFLY) is an authorized manufacturer and distributor mainly
producing electrical apparatus in power distribution system and line system, a high and new-technology
enterprise in Zhejiang Province China and AAA-grade Qualified Enterprise of Bank of China.
YUFLY mainly design, manufacture, sale and service of 145kV and below Circuit breaker,Load break
switch, Disconnect switch, Insulator, Surge arrester, Drop-out fuse, etc.
Industry Park (Workshop) covers a floor space of 50 ,000m 2 , equipped with a world–level advanced
processing equipments and machines, advanced design, reasonable structure, reliable performance,
the leading domestic level, high-voltage lines by the National Science and Technology.
YUFLY have an international business teams around 100 staffs who are all from famous university, most
of them have more than 30 years export experience and professional knowledge of electric power
system.
All our purpose is supply our customers complete service, Select all market information share with
clients, Offer quality products with competitive prices, Search and develop new products, Exploring new
markets together with clients, Follow up international freight and storage, Train and supply technical
guide for clients, Settle all after-sale questions.
YUFLY has set up a business network covering more than 50 countries in all over the world and
established agents , Indonesia, Vietnam, Thailand, Korea,Canada, Georgia, Cambodia, Ecuador, Nigeria, Kenya, Ghana.
All requirements are welcome.
