PDUs (Power Distribution Units) come in a range of types, each designed to support varying power distribution needs within IT infrastructures. Choosing the appropriate type of PDU depends on the size of the system, equipment demand, and the degree of power control needed within the facility.
Basic PDUs
Standard PDUs offer straightforward electrical distribution. These units do not feature monitoring or switching functions. They are typically 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 directly from the unit. A display panel indicates how much power is being drawn by connected equipment. Tracking this information helps minimise the risk of exceeding circuit limits. Metered PDUs are frequently used in environments where power usage must be monitored across several racks.
Monitored PDUs
Networked PDUs offer remote access to load information through a network connection. IT teams can review power usage without visiting the cabinet physically. This assists with maintenance planning and system audits. Remote monitoring also enables facilities teams to detect unused capacity within power circuits.
Switched PDUs
Switched PDUs include 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 commonly used in unmanned facilities or in distributed network environments.
Intelligent PDUs
Intelligent PDUs combine monitoring and switching features. These units deliver real time data on voltage, current, and power usage. Some models include environmental monitoring sensors that measure temperature and humidity levels. Intelligent PDUs are widely used in larger data centres where system performance depends on precise power management.
Automatic Transfer Switch PDUs
Automatic Transfer Switch (ATS) PDUs provide 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
Rack mounted PDUs are built for installation within server cabinets. Vertical units offer multiple outlets without click here occupying rack unit space. Horizontal units fit within standard rack slots and are used where vertical mounting is not suitable.
Selecting the Right PDU
Choosing the correct PDU type helps ensure safe electrical distribution and equipment performance. Facilities teams should review equipment demand, load requirements, and maintenance processes before installing PDUs. Careful selection helps protect uptime and ensures infrastructure reliability.