I am concerned that 8 - 10 ms is too slow for my critical load. What do you recommend?

The vast majority of loads can handle a one-half line cycle power interruption, and the ATS series is one of the fastest automatic transfer switches in existence.  If no interruption can be tolerated then an online energy storage based solution (e.g. dual-conversion online UPS) may be required.  TSI recommends testing critical loads and can assist with test design.  Contact us for more information.