4P 3 Phase 4 wire Din Rail ATS for PV and inverter Dual Power Automatic Transfer Selector Switches Uninterrupted 63A 100A 125A

NOTED: The B Side must power on if use this PV type. because the voltage of the inverter is not stable

Please noted, PV INVERTER type have to connect Inverter for A source, Inverter and PV system as main power.

The stable grid power for B source. The purpose of use is photovoltaic as the main power source, and the backup power source is the utility power

Dual power switch. PC level, Switch less than 8ms, no Interrupt. 
Only for for PV system and Inverte to city power, not for city power and Generator to city power and Generator.