A power distribution unit (PDU) is a device that distributes critical electric power in computer data centers. Large industrial units are used to reduce high voltage to useful levels. Some devices offer remote power monitoring, environmental monitoring and control down to the individual plug level.
PDU also refers to a power strip suitable for data center use. These power strips are installed in the computer cabinet. Most commonly, input power includes single-phase and three-phase.
Types of PDUs
- Dumb (no instrumentation and are not manageable)
- Metered (equipped with a display that shows current load on each phase)
- Switched (receptacles that can be individually switched on or off remotely)
One challenge in selecting PDUs is to balance the relatively high cost, great functionality and low risk of a switched PDU versus the relatively low cost but higher risk and lack of manageability of a dumb PDU.
With a dumb PDU, your data center runs the risk that phases may become unbalanced, or devices may be unexpectedly plugged in, possibly tripping a circuit breaker. This could result in a hard shut-down of critical equipment, causing lost or garbled data and costly damage to equipment.
To learn more about PDUs and find out what type is best for your organization’s needs, contact DP Air today.