The World Static Transfer Switch (STS) market is a well-established market, and it is expected to record low but steady growth rates over the period 2009-2015. The success of the STS market hinges on the expected recovery in the construction of new datacenter facilies and the revonation and retrofit of existing buildings. Increasing power protection requirements among end users, and an unreliable power grid in some regions, are also fostering market growth. This research service analyzes the present and future market trends along with the revenues, unit shipment and prices forecasts. Supported by identifying the drivers and restraints, as well as challenges, facing these markets.