Just happen to have spares left from an old job. The APC APDU9981EU3 Switched Rack 9000 Series PDU is a reliable power distribution unit designed for APC brand compatibility. With a maximum input current of 16 A and voltage compatibility of 230V, this ZeroU form factor PDU features 21 x C13 and 3 x C19 outlets, making it ideal for efficient power distribution in a rack-mountable design.