Change Over Switch (COS) OHM Switch 4 p 1250A SIRCOVER 4100 4120 + 2799 7012
Socomec ATS Sircover Bypass user four switches turn the pole has a positive break indication. They isolate the ATS type electrical equipment using automatic transfer switch or UPS, with supply interruption of the load a bit.
If you want to have the choice of sources when in bypass, you can integrate the changeover switch Socomec to installation.