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APC AP7721 Rack Automatic Transfer Switch
APC Automatic Transfer Switch Install - YouTube
PDU Choice KWX-ATS16A8x2-H2C20 KWX 19" PDU 2 x Inputs C20 16A to 8x C13 + 2x C19 Rack mount Automatic Transfer Switch (8-12 ms Switching ) (KWX ATS). With bar unit remote