Is anyone aware of a transfer switch intended for use in an IT server rack? Rating would be 30-50A, and would need to be able to transfer in anywhere from 45ms to 45s. Can you recommend a manufacturer, or better yet provide a guideform spec? It seems to me that UL1008, emergency-system rated...
For a long time, I've wondered why data centers don't use DC distribution instead of AC. After all, it takes a lot to bring in AC power from the drip, rectify it to DC for the UPS batteries, invert it back to AC, synchronize AC outputs from multiple UPSs, and distribute AC power to the...