125A 250A CB class MCCB type changeover switch automatic transfer ATSE supplier 220V three phase Ac automatic transfer switch

 HYCQ6-125(New Type) 125A 4P ATS LCD Display Automatic Transfer Switch for Generator 

 **  Application 

HYCQ6-125 is used in rated voltage below 690V two power supply system. It can make a automatic transfer between the Normal Power and Reserve Power but without manual operation. This switch accords with the following terms of national GB/T14048.11 <<automatic transfer switch>> standards:

§ Operating mechanism should bave reliable electrical and mechanical interlocking, in order to prevent the Normal Power and Reserve Power from cannecting at the same time.

§ HYCQ6-125, when the voltage of detected A phase and all phases of the Normal Power interrupt in a scheduled time, will switch to connect the load from Normal Power to Reserve Power, and when the Normal Power gose back to Normal, it will automatically connect the load to the Normal Power (with phase failure protection function).