PDUs (Power Distribution Units) are available in several types, each designed to support different power distribution needs within IT environments. Selecting the appropriate type of PDU is determined by the size of the system, equipment demand, and the level of power control required by the facility.
Basic PDUs
Standard PDUs offer straightforward electrical distribution. These units do not include monitoring or switching capabilities. They are commonly used in compact server rooms where equipment demand is stable and does not require real time oversight. Basic PDUs are cost effective and support reliable power delivery across connected devices.
Metered PDUs
Metered PDUs allow facilities teams to view electrical load information at the unit. A display panel indicates how much power is being drawn by connected equipment. Monitoring this information helps reduce the risk of exceeding circuit limits. Metered PDUs are often used in environments where power usage must be monitored across several racks.
Monitored PDUs
Monitored PDUs offer remote access to load information through a network connection. IT teams can review power usage without visiting the cabinet in person. This supports maintenance planning and system audits. Remote monitoring also enables facilities teams to detect unused capacity within power circuits.
Switched PDUs
Switched PDUs feature remote outlet control. Each socket can be turned on or off through a management interface. This enables technicians to restart servers or network devices if a system becomes unresponsive. Switched PDUs are often used in unmanned facilities or in distributed network environments.
Intelligent PDUs
Smart PDUs integrate monitoring and switching features. These units provide real time data on voltage, current, and power usage. Some models support environmental monitoring sensors that measure temperature and humidity levels. Intelligent PDUs are commonly used in larger data centres where system performance depends on accurate power management.
Automatic Transfer Switch PDUs
Automatic Transfer Switch (ATS) PDUs support redundancy by connecting equipment to two power sources. If one source fails, the unit automatically switches to the backup supply. This feature supports business continuity during power interruptions.
Rack Mounted PDUs
Cabinet-mounted PDUs are built for installation within server cabinets. Vertical units provide multiple outlets without occupying rack read more unit space. Horizontal models fit within standard rack slots and are used where vertical mounting is not suitable.
Selecting the Right PDU
Selecting the appropriate PDU type supports safe electrical distribution and equipment performance. Facilities teams should assess equipment demand, load requirements, and maintenance processes before installing PDUs. Suitable selection helps maintain uptime and supports infrastructure reliability.