Single-Phase and 3-Phase PDUs | Eaton (2023)

High Availability Features

High availability features include the following:
Auto Bypass, Automatic Voltage Regulation (AVR), Battery Backup, Hot-Swappable Batteries, Hot-Swappable Power Modules, N+N Redundancy, On-Line (VFI) Operation


A TAA-Compliant product complies with the Trade Agreements Act (19 U.S.C. § 2501–2581), which requires the U.S. Government to procure products that were manufactured in the United States or other authorized countries. TAA-Compliant products are required in federal procurement contracts such as GSA, IDIQ and DOD.

UPS Type

Stand-By UPS

Stand-By UPS systems provides basic battery backup and surge protection.

Line-Interactive UPS systems

Line-Interactive UPS systems provide both battery backup and automatic voltage regulation of AC power (boost/cut) to give a greater amount of power protection than a Stand-By UPS.

>On-Line UPS systems

On-Line UPS systems use a double power conversion system to produce a pure sine wave output and zero transfer time to battery to provide the highest level of power protection.

UPS Family

The UPS Family is the Eaton brand name for a particular type of UPS.

Stand-By UPS Families

For Stand-By UPS systems, the families are Internet Office, BC Pro® and BC Personal®.

Line-Interactive UPS Families

For Line-Interactive UPS systems, the families are SmartPro, OmniSmart™, VS Series, SmartPro® USB, LCD UPS and AVR Series.

On-Line UPS Families

For On-Line UPS systems, the family is SmartOnline™ UPS.

(Video) How to Connect 3 Phase Motor to Single Phase Power Supply / 3 Phase Motor Run with Single Phase Line

Output Volt-Amps (VA)

Output Volt-Amps (VA) is a measurement of electrical power and is used to size a UPS system for the equipment that will be connected to it.

Rack Height

Rack Height (U Spaces) is a measure of vertical space or the height of equipment mounted in a rack enclosure. 1U is equal to 1.75 inches, 2U is equal to 3.5 inches and so on.

Maximum Depth

The maximum depth of equipment that can be mounted in a
floor-standing or wall-mount rack enclosure cabinet.

Floor-Standing Rack Depth Designations

Shallow27 inches
Mid-Depth31 inches
Standard37 inches
Deep42 inches

Wall-Mount Rack Depth Designations

Patch-Depth< 16 inches
Switch-Depth16 to 23.99 inches
UPS-Depth24 to 31.99 inches
Server-Depth> 32 inches

PC/Server Connection

PC/Server Connection determines the correct cable kits (e.g. PS/2, USB, VGA, DVI or Cat5) for a KVM Switch based upon how it will be connected to a PC or server on the network.

IP Remote Access

IP Remote Access is a feature of a KVM Switch that allows a user to monitor and control PCs, servers and other network devices remotely over IP (Internet Protocol).

VESA Pattern

VESA Pattern (mm) is the standardized dimensions of a 4-hole mounting attachment for displays, monitors or flat panel TVs based on the Video Electronics Standards Association (VESA) standards. There are variations of the VESA pattern based on location, size and weight of the display.

Cooling Type

Active cooling uses energy to transfer or remove heat from one area and pass it onto another. Passive cooling does not use energy to cool an area; rather, it employs natural cooling design guidelines, or the addition of thermal barriers, panels or insulation to prevent heat from entering an area.

(Video) 3 Phase Distribution Board


Phase is used to describe the two main types of alternating current (AC) electric power produced by a utility, generator or UPS system. Single-phase power includes a single AC waveform, making single-phase equipment ideal for lower power density applications with per-rack power consumption levels up to approximately 2.8kVA (120V), 5kVA (208V) or 7.4kVA (230V). Three-phase power includes 3 AC waveforms, making 3-phase equipment better suited for intermediate and high-capacity applications with per-rack power consumption levels that surpass the practical energy limits of single-phase equipment.

Joule Rating

Joule Rating is the unit of energy, based upon the International System of Units, by which surge protectors are rated for their ability to absorb surge energy to protect connected equipment. A higher number indicates greater protection and a longer life expectancy.

Hinged Wall Bracket

Hinged Wall Bracket is a mounting device that attaches a wall-mounted rack to a wall. It has adjustable pivots that allow the rack to be locked into a closed or open (90-degree perpendicular) position. It minimizes cable flex and facilitates installation and ease of access.


GFCI Plug is a type of safety outlet that protects against a common type of electrical shock hazard, the ground fault. It contains a ground-fault circuit interrupter (GFCI) device, which quickly disconnects a connected device from the power source in the event of a ground fault.

Seismic Rack

Seismic Rack is a type of enclosure featuring a rugged welded construction that has been tested to Seismic Zone 4 standards. Seismic Racks provide additional security for locations situated in earthquake-prone areas or are subject to regular vibrations at locations such as airports or industrial environments.

Individual Outlet Switching

Individual Outlet Switching is a capability of a PDU where individual outlets can be turned on or off remotely to reboot unresponsive equipment, lock out unused PDU outlets to prevent unauthorized use, or enable customized power up/down programming sequences to ensure proper startup of equipment.

(Video) AG Drive Demo - 1-Phase Input 3-Phase Output VFD Applications

NIAP-Certified Secure

NIAP-Certified Secure identifies a KVM that meets the strict requirements set by the National Information Assurance Partnership (NIAP) regarding the security of KVMs to safeguard data from accidental transfer or unauthorized access.

Pure Sine Wave Output

Pure Sine Wave Output is virtually identical to the smooth arc typically associated with a utility-produced sine waveform. It allows equipment to run cooler, last longer and operate without malfunctions and reduced performance. It also ensures maximum compatibility with sensitive electronics.


Multi-User is a capability of a KVM switch that permits more than one user to control different network devices simultaneously but not concurrently.

Dual Input Cords

Dual Input Cords provide connection to separate primary and secondary power sources for PDUs with Automatic Transfer Switching (ATS) functionality. If there is a loss of the primary power source, the ATS will switch to the secondary power source to maintain power to the connected equipment until the primary power source returns.

Digital Load Meter

Digital Load Meter is a local display on metered, monitored, switched and ATS power distribution units (PDUs) that reports output power consumption in amps in order to facilitate load balancing and avoid overloads.

Cat5 KVM Switch

Cat5 KVM Switch is a device designed to enable users to control multiple computers or network equipment connected via Cat5 cabling.

PDU Type

Basic PDUs

All PDUs including Basic PDUs provide reliable rack-mount power distribution for data centers, server rooms, and network wiring closets.

Metered PDUs

Metered PDUs monitor load levels to avoid potential overloads via a LCD display.

Monitored PDUs

Monitored PDUs remotely monitor voltage, frequency, and load levels via a built-in network connection.

Switched PDUs

Switched PDUs can securely control individual outlets remotely to enable the rebooting of unresponsive equipment to minimize downtime.

Auto Transfer Switch (ATS) PDUs

ATS PDUs provide redundant power to connected equipment with separate primary and secondary power sources.

Hot-Swap PDUs

Hot-Swap PDUs have dual input power cables to enable live-replacement of select UPS systems with no power interruption to connected equipment.

(Video) Single Phase Starter Connections.

Total Load

The total power draw (in Watts) of all equipment connected to the UPS.

You can usually find information about your equipment's wattage requirements from the manufacturer's documentation or the equipment nameplate. (If the power requirements are listed in amps, multiply by the input voltage to find the wattage.) For assistance with UPS sizing, contact our application specialists at or + 44 (0) 1753 608750.


The number of minutes (expressed as a range) the UPS will be required to power your equipment in the event of a power outage. If you have generator power, this will be the amount of time necessary to switch to generator power. If you don't have a generator, the UPS should be capable of powering devices for the duration of the outage.

High Availability Features

Ensure power is available and is quickly restored to critical equipment.

(Video) 3 Phase Disconnect


1. Converting a Contactum three phase distribution board to a single phase consumer unit.
2. Eaton’s single-phase VFI pad-mounted transformer
3. Eaton- How to convert a 3 Phase starter to a 1 Phase starter
(Summit Electric Supply)
4. Craig and Derricott - Switch Disconnectors (Isolators) - Locking Off Safe Shut Down - IP41 IP65
(Thorne & Derrick)
5. How to convert a 3-Phase starter to a 1-Phase starter
6. Surge Protection Device (SPD): Operation and Installation Explained / Inside parts Explained
(Electro Academy)
Top Articles
Latest Posts
Article information

Author: Aracelis Kilback

Last Updated: 11/24/2022

Views: 6028

Rating: 4.3 / 5 (64 voted)

Reviews: 87% of readers found this page helpful

Author information

Name: Aracelis Kilback

Birthday: 1994-11-22

Address: Apt. 895 30151 Green Plain, Lake Mariela, RI 98141

Phone: +5992291857476

Job: Legal Officer

Hobby: LARPing, role-playing games, Slacklining, Reading, Inline skating, Brazilian jiu-jitsu, Dance

Introduction: My name is Aracelis Kilback, I am a nice, gentle, agreeable, joyous, attractive, combative, gifted person who loves writing and wants to share my knowledge and understanding with you.