The switch is mainly used for testing whether normal or spare power is normal or not.
When the normal power is abnormal, the spare power works at once, which therefore ensures the continuity, reliability, and safety of power supply.
The product is specially designed for household orbit-type installation and specially use in PZ30 power distribution box.
Specs:
3Pole
100A
220V
PN: W2R-ATS-Solar-Y
Condition: Brand New in original factory box!