What are the advantages of composite switches compared with contactors?

The advantages of replacing contactors with composite switches are as following: 

1.Small surge current:
When closing the switch, the surge current of Composite switches is much smaller than contactor. The inrush current when the AC contactor is closed is at least about 20 times, while the inrush current of the compound switch is only suppressed to about 3 times

2.Reduced Equipment Loss:
Reduce thermal stress and improve energy efficiency,Improve stability and reduce transient interference, long service life, reducing the frequency of maintenance and replacement, adapt to various load conditions to ensure reliability.

3.The controller + composite switch + capacitor compensation configuration scheme:

It is the most common economic compensation scheme. It is used for power grid line compensation, comprehensive distribution boxes, JP cabinets, and reactive power compensation in a harmonic-free environment (such as enterprises, transformer areas, schools, government agencies, etc.). Compared with the traditional contactor scheme, the secondary line connection is optimized and can be directly connected with data cables.