APC PDU Power Distribution Unit 0U Outlets 20 C13 & 1 C19 AP7553 APC Basic Rack PDUs provide reliable power distribution via a single input with multiple output receptacles and distributes power from low-amperage, single-phase circuits to higher-power, three-phase solutions. The AP7553 is a Zero U vertical mount PDU which has twenty (20) IEC-C13 and four (4) IEC-C19 outlets with a IEC 32A input. Features: Resettable circuit breakers – enables a quick recovery from overload events Toolless Rack Mounting Capabilities – Server cases do not require additional tools to mount into NetShelter Enclosures, which allows the users to quickly and easily mount units in the rear of the enclosure.