Rack PDU Feature Options

Server Technology's power strategy experts have provided power solutions for labs, data centers, and telecommunications operations for 30 years. Over 60,000 customers worldwide rely on our rack power distribution units and award-winning power management solutions to reduce downtime, facilitate capacity planning, improve energy utilization, and drive efficiency. With the best quality, unsurpassed technical support and most patents, Server Technology products provide uncompromising reliability, innovation, and value for the data center.

Icon Name Description
PRO4X
PRO3X
PRO2/1

HDOT ® (High Density Outlet Technology)

The highest outlet density available in a network-connected PDU meets IEC C13 and C19 specifications, plus high native retention and UL94V-0 flame rating.

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HDOT Cx ® Outlets

The Cx is the future-ready UL tested hybrid of a C13 and C19 outlet accommodating both C14 and C20 plugs.

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Alternating Phase Technology

Evenly distributes multiple phases of power to each outlet for simplified load balancing, reduced cord lengths, and better airflow.

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Alternating Branch Technology

Helps with clean cable management to improve airflow and ease three-phase load balancing.

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POPS ® (Per Outlet Power Sensing)

Monitor Current Load (A), Voltage (V), Power (W), Apparent Power (VA), Crest Factor, Power Factor, and Energy per outlet.

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Outlet Control

Cycle power to individual outlets or groups of outlets to reboot servers or power off unused receptacles.

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RamLock Locking Outlets

A mechanical locking mechanism built to secure the broadest range of C14 and C20 plugs in place.

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High Retention Locking Outlets

PRO2 receptacles have high retention and are compatible with P-Lock type power cords.

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R/G/B LED Outlet Indicators

R/G/B LEDs identify an outlet's on/off state, if it's above/below a certain power threshold, or if it's suspected of a power measurement irregularity.

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Branch Circuit Protection

This PDU meets the UL and IEC 62368-1 requirement for branch circuit protection through UL 489 rated magnetic-hydraulic circuit breakers or UL 248 fuses.

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45 Degree Angled Infeed

The angled infeed improves accessibility and provides infeed strain relief. Its bend radius is suitable with 60A rated cords.

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Universal Input

A one-size-fits-all universal infeed that accommodates single-phase and three-phase Legrand Universal Input cord options for the same PDU, providing flexibility in rack power deployment.

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PIPS ® (Per Inlet Power Sensing)

Monitor Current Load (A), Voltage (V), Power (W), Apparent Power (VA), Crest Factor, Power Factor, and Energy per inlet.

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Input Current Monitoring

Easy-to-read LEDs display current per phase to help prevent overloads & simplify 3-phase load balancing in high-density cabinets.

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Advanced Power Monitoring

Gives real-time insight into power consumption and energy efficiency to improve performance and avoid power quality issues.

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Branch Current Monitoring

Monitors current at each breaker branch and provides SNMP-based alerts and emails on high usage that risks a tripped circuit.

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Power Quality Measurements

Monitor and alert on the power feeding the PDU for harmonics, voltage dips and swells, crest factor, and more at the outlet or load.

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Total Harmonic Distortion

Monitor harmonic events on the power feeding the PDU or the power distributed to the PDU's outlets or load.

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Circuit Breaker Trip Forensics

With enhanced circuit breaker trip forensics, identify the specific outlet and device that caused the trip, saving time when investigating and resolving issues.

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Waveform Capture

Capture voltage and current waveforms automatically or on demand.

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Hot Swappable Controller

Offers industrial-grade reliability, user-configurable firmware, disaster recovery support, and hot-swappable capability for maintenance or replacement without powering down connected equipment.

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Multi-Color LCD

An easy-to-read display provides a local indication of power usage, alerts, and alarms.

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Auto-Flip Display

Auto-flip display ensures you have the right components in the right visual orientation no matter the PDU's mounting position.

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Dual Network Connections

A modern Gigabit Ethernet port, backed up by a second network connection port, ensures monitoring reliability and allows insights to be shared.

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Multi-Unit Linking & Cascading

Use the Link feature for logical connectivity of up to 8 PDUs for more efficient device management and control. Physically cascade 32 PDUs under one ethernet port or 16 PDUs with USB using bridging mode or save IP addresses using a single IP address with port forwarding.

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Linking & Cascading

Linking allows access via a single primary PDU and up to 7 linked PDUs through a single IP address for more efficient power management.

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Star Multi-Linking

PRO2 provides the ability to link up to four power circuits using one IP address. Primary Expansion PDU provides backup power to the network card.

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Environmental Monitoring

Support daisy-chained DX2-series SmartSensors, each able to send SNMP-based alerts and email notifications.

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Temperature/Humidity Monitoring

Primary and Expansion (select products) units each support two external 10' (3m) Temperature/Humidity probes. Receive SNMP-based alerts and email notifications.

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USB Mass Configuration

A quick and easy solution for PDU configuration and setup.

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IP Access, Security & Communications

Web, SSH, Telnet, SNMPv2c & v3, RS-232 serial, 10/100/1000 Base T-Ethernet, LDAP(S), TACACS+, RADIUS, DHCP, and SMTP/email.

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Network Monitoring

Gain access to valuable data through connections including HTTP(S), SSH, Telnet, SNMP, (S)FTP, SMTP, Syslog, LDAP(S), and more.

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Advanced Alerting and Intelligence

Billing-grade accurate monitoring of user-defined thresholds ensures potential failures are identified in advance. Real-time alarms notify you of possible risk conditions.

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Interoperability

Intelligent PDUs provide an open API that interoperates with third-party software such as DCIM or BMS.

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Flexible Mounting

Includes standard button mounts along with provisions for custom mounting brackets.

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High-Temperature Rating

This product has been tested and approved for safe and reliable operation in 60°C (140°F) environments.

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Color-Coded Options

Select from six colors to designate PDU circuits in the data center — black, white, red, green, blue, and yellow.

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Not all features are listed, and some are unavailable on selected models.

Explore The Product Features

PRO4X Rack PDUs PRO3X Rack PDUs PRO2/1 Rack PDUs