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VSm-12 Series of Indoor High Voltage Vacuum Circuit Breaker
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● General Description
Vsm series of indoor high voltage vacuum circuit breaker is adopted front and rare construction for their permanent magnetic and vacuum interrupters.The main conducting circuit is with floor-standing type,the upper and lower outlet terminal and vacuum interrupters are installed in one insulation house.The insulation house is casted with epoxy resin material by APG technology,which can protect the surface of the vacuum interrupters against dust accumulation and impact.It also has good insulation property under humid,hot and pollution ambient condition.
The vacuum circuit breaker with permanent mechanism is air-insulated,used for indoor installation for different kind of power load,it is suitable for electrical net construction and reconstruction project in municipal net,rural net,mineral and railway net system,especially used in that fields which require frequently switching and have some requirement
● Applying ambient conditions
2.The height above sea level:≤1000 m.
3.Relative humidity:the average humidity of a day should be no more than 95%;the average humidity of a month should be no more than 90%.
4.Saturated vapor pressure:the average pressure of a day should be no more than 2.2kPa;the average pressure of a month should be no more than 1.8kPa.
5.Earthquake intensity:not exceed 8 degrees.
● Main Technical Specification
● Overall outline drawing
● Following information is required for order
VCB Full type,main technical specification,distance between phase and quantity.
Type and specification of service voltage.
Name and quantity of spare parts.
● Typical wiring diagram of the second principle
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