To realize the buck/Enhance feature, everything is needed is 2 separate switches so which the AC enter is often connected to one of the two Principal faucets, even though the load is linked to one other, Hence utilizing the major transformer's Principal windings being an autotransformer. Case in point #7 https://waylonuxhge.daneblogger.com/32902055/indicators-on-uninterruptible-power-supply-you-should-know