VS1-12 11kV 12kV Indoor High Voltage 630A-4000A Vacuum Circuit
Breaker VCB
General:
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.
Main features:
1.Mechanical and electrical durability During rated current, breaking times can reach to 10000, 20000 During
rated
short-circuit current, breaking times can reach to 20, 30 and 50 times.
2. The circuit breaker has complete functions. It is used to switch on/off various loads as specified by DL
standards, such as method 1-5, capacitor, out-of-phase conditions.
3. Easy maintenance Normally, it just needs to clean the operating mechanism and add lubricants.
4.Vertical insulating tube Protect it from various environmental impacts.
5.With complete product portfolio Rated current from 630A to 5000A Rated short-circuit current form 20kA to
50kA
6.It has the features of series, strong versatility, convenient use and easy maintenance. All products have
passed
100 running-in tests according to reliability principle in the factory before delivery, so as to ensure the
reliability
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