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 continuirty, reliability, and safety of power supply. The product is specially designed for household orbit-type installation and specially use in PZ30 power distribution box.

FMQ1D-63 series automatic transfer switch is suitable for the emergency power supply system with 50 or 60 Hz alternatting current rated 400V 63A. ATS is compact in structure, reliable in transfer, convenient in instabllation and maintenance, and has long lif expectancy. Widely used In various occasions where continuous power failure ls not allowed, it can be operated both electrically and manually.