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What is a Monitored PDU (outlet-level energy metering)?
A Monitored PDU is a power distribution unit for server racks that combines reliable power distribution with energy metering at both input level and per outlet.
A Monitored PDU is a power distribution unit for server racks that combines reliable power distribution with energy metering at both input level and per outlet.
Unlike:
• a Metered PDU (input-level metering only)
• a Switched PDU (switching without outlet metering)
a Monitored PDU provides detailed energy insight per connected device.
A Monitored PDU performs three key functions:
1. Distributes electrical power safely within the rack
2. Measures total rack energy consumption
3. Measures energy consumption per outlet
This allows you to:
• see how much power each server or device uses
• understand rack load distribution
• identify inefficient or over-provisioned equipment
The outlets are not switchable; the focus is on measurement and visibility, not control.

A Monitored PDU is the right choice when:
• energy consumption must be visible per server or device
• detailed insight is required for reporting or analysis
• chargeback or showback models are used
• energy efficiency is a priority
• remote switching is not required
Typical use cases include:
• colocation data centres
• enterprise data centres
• shared racks with multiple customers
• energy optimisation projects
The Schleifenbauer Monitored PDU is used by:
• data centre operators
• colocation providers
• IT and facilities managers
• organisations managing shared racks
• system integrators
It is ideal for anyone searching for detailed rack-level energy insight without the need for remote switching.
With outlet-level metering, you can:
• allocate energy costs per device or customer
• detect unused or underutilised equipment
• optimise rack layouts based on real data
• support energy reporting and compliance requirements
This level of visibility is not possible with input-level metering alone.
| Feature | Metered PDU | Monitored PDU |
| Power distribution | ✔ | ✔ |
| Input-level metering | ✔ | ✔ |
| Outlet-level metering | ✖ | ✔ |
| Remote outlet switching | ✖ | ✖ |
A Monitored PDU is ideal when insight is more important than control.
Schleifenbauer does not work with fixed PDU models.
Each Monitored PDU is:
• configured to match your power input and capacity
• equipped with the required number and type of outlets
• adapted to your rack layout and environment
• supplied in any required quantity
Configuration is included at no additional cost.
The PDUs are available in the following electrical configurations:
With in-house production, Schleifenbauer provides:
• short lead times
• flexibility for changes
• consistent quality across projects
Suitable for both small installations and large-scale data centres.
Choose a Monitored PDU if you need:
• outlet-level energy metering
• detailed insight into device-level power usage
• reliable rack-level power distribution
• flexibility without a fixed product portfolio
The Schleifenbauer Monitored PDU delivers visibility without unnecessary complexity.

Schleifenbauer provides datacenters with real-time energy insight and control at rack level, combining next-generation PDUs with free, scalable DCEM software.
Monitored PDUs are often searched for as:
• outlet-level energy metering
• server-level power monitoring
• rack power distribution with monitoring
• energy consumption per device in data centres
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