APC Rack Automatic Transfer Switch AP4431 - redundant switch
Redundant switch (rack-mountable)
AC 208 V
output connectors: 1
for P/N: AR109SH4
The Automatic Transfer Switch provides reliable, redundant power to single-corded equipment loads, such as servers. The Rack ATS has two input power cords supplying power to the connected loads. If the primary source becomes unavailable or out of the selected range, the Rack ATS will seamlessly source power from the secondary source without interrupting critical loads.