Mains Distribution Unit (MDU) are rack

Rack

- Kinds of racks :* Amp rack, short for amplifier rack, a piece of furniture in which amplifiers are mounted* Bicycle rack, a frame for storing bicycles when not in use* Breast...

able power distribution electrical device

Device

-Computing and electronics:* A component of personal computer hardware* Peripheral, any device attached to a computer that expands its functionality* Electronic component-Other uses:* Appliance, a device for a particular task* Device...

s, mostly used in high availability

High availability

High availability is a system design approach and associated service implementation that ensures a prearranged level of operational performance will be met during a contractual measurement period....

 environments like central apparatus room

Central Apparatus Room

In broadcast facilities, a central apparatus room , central machine room, or central equipment room , or central technical area , or rack room is where shared equipment common to all technical areas is located. Some broadcast facilities have several of these rooms...

s, data center

Data center

A data center is a facility used to house computer systems and associated components, such as telecommunications and storage systems...

s, server room

Server room

A server room is a room that houses mainly computer servers. In information technology circles, the term is generally used for smaller arrangements of servers; larger groups of servers are housed in data centers...

s to distribute clean power within racks, each MDU power inlet is fuse

Fuse (electrical)

In electronics and electrical engineering, a fuse is a type of low resistance resistor that acts as a sacrificial device to provide overcurrent protection, of either the load or source circuit...

d for surge protection and power fluctuations.

MDUs usually have multiple 415VAC

VAC

VAC or Vac may refer to:In arts and entertainment* Velvet Acid Christ, an industrial band* Video Appeals Committee in the United Kingdom, responsible for hearing appeals against decisions by the British Board of Film Classification...

 12 to 14 high density

Density

The mass density or density of a material is defined as its mass per unit volume. The symbol most often used for density is ρ . In some cases , density is also defined as its weight per unit volume; although, this quantity is more properly called specific weight...

 IEC 60320 outlets per 1U of rack space, with tie bar

Tie bar

There have been many forms of tie-control devised since the 19th century, when ties first became a regular part of fashion. Clips, chains, pins have all been used to do one simple thing: to keep a tie from flapping, falling or otherwise presenting anything other than a neat appearance...

 & inlet

Inlet

An inlet is a narrow body of water between islands or leading inland from a larger body of water, often leading to an enclosed body of water, such as a sound, bay, lagoon or marsh. In sea coasts an inlet usually refers to the actual connection between a bay and the ocean and is often called an...

 connectors

Power connector

Power connector may refer to:* AC power plugs and sockets* Industrial power plug* DC connector* Blade connector, commonly found in cars for quick connection of wiring to electrical components* IEC 60309 , so-called "Commando" plug and socket...

. A 12 outlet MDU is generally capable of 6 Amps

Ampere

The ampere , often shortened to amp, is the SI unit of electric current and is one of the seven SI base units. It is named after André-Marie Ampère , French mathematician and physicist, considered the father of electrodynamics...

 maximum continuous current

Electric current

Electric current is a flow of electric charge through a medium.This charge is typically carried by moving electrons in a conductor such as wire...

 load per outlet, with a total combined load of 16 Amps, each outlet have an assigned LED to allow identification of failed fuses. Larger MDUs might vertically span the height of a rack. Modern MDUs intelligently

Intelligence

Intelligence has been defined in different ways, including the abilities for abstract thought, understanding, communication, reasoning, learning, planning, emotional intelligence and problem solving....

 load balance

Load balancing (electrical power)

Load balancing refers to the use of various techniques by electrical power stations to store excess electrical power during low demand periods for release as demand rises....

 internally, and can also be remotely monitored and managed over LAN

Local area network

A local area network is a computer network that interconnects computers in a limited area such as a home, school, computer laboratory, or office building...

 or WAN

Wide area network

A wide area network is a telecommunication network that covers a broad area . Business and government entities utilize WANs to relay data among employees, clients, buyers, and suppliers from various geographical locations...

 networks.

MDU applications

Commonly used MDU installation environments:

• Central Apparatus Room
  Central Apparatus Room
  In broadcast facilities, a central apparatus room , central machine room, or central equipment room , or central technical area , or rack room is where shared equipment common to all technical areas is located. Some broadcast facilities have several of these rooms...
  
  s
• Data center
  Data center
  A data center is a facility used to house computer systems and associated components, such as telecommunications and storage systems...
  
  s
• Server room
  Server room
  A server room is a room that houses mainly computer servers. In information technology circles, the term is generally used for smaller arrangements of servers; larger groups of servers are housed in data centers...
  
  s
• Radio
  Radio
  Radio is the transmission of signals through free space by modulation of electromagnetic waves with frequencies below those of visible light. Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of space...
  
   / Television
  Television
  Television is a telecommunication medium for transmitting and receiving moving images that can be monochrome or colored, with accompanying sound...
  
   broadcast
  Broadcast
  Broadcast or Broadcasting may refer to:* Broadcasting, the transmission of audio and video signals* Broadcast, an individual television program or radio program* Broadcast , an English electronic music band...
  
   environments
• Recording studio
  Recording studio
  A recording studio is a facility for sound recording and mixing. Ideally both the recording and monitoring spaces are specially designed by an acoustician to achieve optimum acoustic properties...
  
  s

See also

• Power distribution unit
  Power distribution unit
  A power distribution unit is a device fitted with multiple outputs designed to distribute electric power, especially to racks of computers and networking equipment located within a data center....
  
  
• Mains electricity
  Mains electricity
  Mains is the general-purpose alternating current electric power supply. In the US, electric power is referred to by several names including household power, household electricity, powerline, domestic power, wall power, line power, AC power, city power, street power, and grid power...
  
  
• Power distribution
• Electricity generation
  Electricity generation
  Electricity generation is the process of generating electric energy from other forms of energy.The fundamental principles of electricity generation were discovered during the 1820s and early 1830s by the British scientist Michael Faraday...
  
  
• Distributed generation
  Distributed generation
  Distributed generation, also called on-site generation, dispersed generation, embedded generation, decentralized generation, decentralized energy or distributed energy, generates electricity from many small energy sources....