MPDU 24A 110V PDU L5-30P INPUT PLUG R3000 XR UPS Modular PDUs have a unique modular architecture designed specifically for the dense data center customers who want to maximize their power distribution and space efficiencies in the rack. Providing easy accessibility and reduced cable clutter, the Modular PDUs offer you the flexibility to easily mount your units in several different locations within the rack, without having to sacrifice valuable rack U-space.