Basic Info.Model NO.Circuit BreakersBreaking CapacityHigh Voltage
Circuit BreakersArc-extinguishing Medium Vacuum Installation Fixed
StructureVcbTypeCircuit BreakerFunctionConventional Circuit
BreakerProduct DescriptionProduct NameCircuit BreakersTypeHigh
VoltageRated Voltage12KVRated Frequency50/60hzRated current630A /
1250A Details of vacuum short-circuit:Circuit breaker
generally consists of contact system, arc extinguishing system,
operating mechanism, tripping device, shell and so on. "Vacuum
circuit breaker" is named after its arc extinguishing medium and
the insulating medium of the contact gap after arc extinguishing
are both high vacuum; it has the advantages of small size, light
weight, suitable for frequent operation, and no need for
maintenance of arc extinguishing. The application in the network is
more popular. Vacuum circuit breaker is an indoor power
distribution device in a 3~10kV, 50Hz three-phase AC system, which
can be used as the protection and control of electrical equipment
in industrial and mining enterprises, power plants, and
substations. It is especially suitable for For places requiring
oil-free, less maintenance and frequent operation, circuit breakers
can be configured in middle cabinets, double-layer cabinets, and
fixed cabinets to control and protect high-voltage electrical
equipment. Performance characteristics:1.Small contact
distance2.Short arcing time3.After the arc is extinguished, the
recovery speed of the contact gap medium is fast and good.4.Low
noise, suitable for frequent operation.5.Small size and light
weight.6.Suitable for breaking capacitive load current.
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