APC Rack Automatic transfer switch / AP7721 / 10A/230V 12A/208V C14 In (12) C13 Out – No cables supplied with this unit. Pictures for display purposes only. Intelligent and cyber-secure transfer switch for seamless power switching. The aggregate current draw per rack PDU is displayed on the unit via a digital display. The local digital display helps installers avoid overloaded circuits by providing a visible warning when the current draw is close to the maximum amperage draw of the strip. (Available on designated SKUs only). (12) IEC 60320 C13.