| Customization: | Available |
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| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Electric Type |
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VS1-12 series of indoor vacuum circuit breaker with common insulated cylinder is three-phrase A.C. 50 Hz indoor power distribution equipment with the rated voltage of 12KV. It' s used for protecting controlling the electrical equipment in the fields of industry and mining enterprise, power plants and substation.This type vacuum circuit breaker conforms to national standards and the stipulation of IEC standard, the capability
reaches grade of M2-E2-C2.
The product adopts composite insulation way,spring charged operation and rod push mechanism,with the characteristics of small volume, compact design and reliable operation. It can easily match with the switchgear and meet the "Five Preventions" demands.
This kind of vacuum circuit breaker can be used for many kinds of switchgear like KYN28(GZS1). This series of products include: VCB truck isolation truck and Fuse truck, etc.
| Item | Units | Value | ||||||
| rated voltage | KV | 12 | ||||||
| rated frequency | Hz | 50 | ||||||
| rated insulation level | 1 min power frequency withstand voltage | kA | to ground/ interphase: 42/48 | |||||
| lightning impulse withstand voltage (peak) | to ground/ interphase: 75/85 | |||||||
| rated short circuit breaking current | kA | 20 | 25 | 31.5 | 40 | |||
| rated current | A | 630 | 630 | 1250 | 1600 | 1250 | 1600 | |
| 1250 | 1250 | 2000 | 2500 | 2000 | 2500 | |||
| rated short-time withstand current | kA | 20 | 25 | 31.5 | 40 | |||
| rated peak withstand voltage | 50 | 63 | 80 | 100 | ||||
| rated short circuit closing current | 50 | 63 | 80 | 100 | ||||
| rated duration for short circuit current | S | 4 | ||||||
| mechanical life | Times | 20000 | ||||||
| power frequency withstand voltage of the second loop (1 min) | V | 2000 | ||||||
| rated operation sequence | 0-0.3s-Co-180s-Co | |||||||
Wooden case or as you request.
Shenheng Power Equipment CO., LTD is a company specializing in the production of high and low voltage switch power transmission and distribution equipment and high, low voltage electrical components, one of the professional production enterprises, the production of all fully insulated and fully sealed inflatable cabinet, intelligent solid insulation ring main unit, outdoor high voltage cable branch box, box-type substation, etc. Product quality is stable, reliable, It is deeply trusted and approved by the customers.
Manufacturing of the main products are YBW box-type substation, KYN61-40.5, KYN28A - 24, KYN28A - 12, XGN2-10, HXGN-10 high voltage switchgear, XGN ring net cabinet, SHSRM inflatable ring main unit, SHSG solid ring main unit, MNS, GCS, GCS, GGD, XL low voltage switchgear , vacuum circuit breaker , oil immersed transformer , dry type transformer , current /potential transformer ,load break switch and other transmission and distribution equipment.
For a long time also for all kinds of metallurgy, shipbuilding, electric power, mining, and intelligent buildings, high-rise buildings, hospitals, schools and other industries to provide high quality power transmission and distribution of complete sets of equipment and electrical control equipment. The company has a strong technical force, sophisticated technology and sophisticated testing methods, and the products sell well across the country.
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