... .CCC certification Dual Power Automatic Transfer Switch TLYQ1-63D TLYQ1-63D is suitable for the dual power supply system ... 'aImgSrc': aBigImageSrc } ); } )(); Using zero failure: Dual Power Automatic Transfer Switch TLYQ1-63D Verified Information This information is Verified by ... Capacity Actual Units Produced(Previous Year) Circuit breaker, Dual power, Contactor, Relay Circuit breaker 750,000 Pieces / ...