VS1, as one type of vacuum circuit breaker, with rated current of 630A, is widely applied to places where frequent operations are needed. As a side fixed type, our 630A 3 Phase Vacuum Circuit Breaker can be suitable for load break switch& vacuum circuit breaker combination switchgear with its designed size.
Product Details
Product description:
VS1 VCB is in a new type indoor switch device,which is mainly used in three-phase AC power system with rated voltage of 12kv,and rated frequency of 50-60Hz.It has the advantages of compact structure,high reliability,small operation vibration and easy maintenance.It can be widely used in power plant,steel plant,metallurgy,petrochemical,transportation,building and other industrial and mining enterprises as a switch device for protection of high voltage motors,transformers,line faults and other loads.
Product characteristic
1.Taking different functional units as the dividing line to realize the modular design.
2.The integrated and optimized design minimizes the intermediate realization link of the functional unit, and the overall mechanism only has more than 70 parts.
3.There is no adjustment link in the mechanism to minimize the professional requirements for maintenance personnel.
4.The whole series of products are easy to operate.
5.Small mechanical operation vibration.
6.Mechanism with manual energy storage handle.
7.Fast replacement of wearing parts without special tools.
Product drawing
Main technical parameter
Item
Date
Rated voltage
12kV
Rated frequency
50Hz
Rated insulation level 1min power frequency withstand voltage pole to earth
42kV
Rated insulation level 1min power frequency withstand voltage phase
48kV
Rated insulation level lightning impluse withstand voltage pole to earth
75kV
Rated insulation level lightning impluse withstand voltage phase
85kV
Power frequency withstand voltage of secondary circuit
2000V
Rated current(1)
630,1250,1600,2000,2500,3150,4000,5000A
Rated short-circuit breaking current
20,25,31.5,40,50kA
Rated short-time withstand current
20,25,31.5,40,50kA
Rated short circuit duration
4s
Following information is required for order:
1.VCB Full type,main technical specification,distance between phase and quantily.