Example general arrangement of ergonomic MDU with 2x 63A & 1x 32A outletsExample general arrangement of ergonomic MDU with 2x 63A & 1x 32A outlets
Example wiring schematic of ergonomic MDU with 2x 63A & 1x 32A outletsExample wiring schematic of ergonomic MDU with 2x 63A & 1x 32A outlets

Mobile Distribution Board (MDU)

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Mobile Distribution Board


Elecex now offer a mobile distribution board, also known as a miniature distribution unit or MDU. The distribution board allows the facility to minimise the number of plugs and sockets required on plant by not having multiple 16A & 32A single phase as well as 16A, 32, 63A and 125A three phase sockets at every distribution point around the facility and instead only having the highest rated outlets around the facility (generally 125A outlets) and then utilising mobile distribution units to customise the power sockets available at each location on demand to suit the needs of a particular task. This approach reduces the intial costs of a facility and the maintenance requirements for fixed assets whilst ensuring a high degree of flexibilty of outlets at each location and redundancy in the supply.

The distribution board can be customised to the users requirements and is ATEX and IECEx certified for use in zones 1 and 2. Please include requirements, specification or wiring diagram with your quotation request if possible to ensure an accurate quote


  • Extending the reach of current facility power outlets
  • Increasing the number of sockets available for use in an area of the facility
  • Creating the correct connections for a work scope
  • Minimising facility fixed assets and reducing maintenance costs
  • Supply alongside your equipment to ensure a facility connection can always be made


    • ATEX and IECEx certified for use in Zones 1 & 2
    • Suitable for use in IIA and IIB gas atmospheres
    • T6/T5 rated
    • ATEX and IECEx rated for use in ambient temperatures of up to -20C to +55C
    • Frame constructed from steel or stainless steel
    • Flying lead connection, with cable storage
    • Rain cover


Optional accessories for the Unit include:

    • Additional corresponding plugs
    • Additional cable length


Technical Data



Weight Dependant upon design


Hazardous Area



Ex Marking

Dependant upon design

Permitted Zones

Zones 1 & 2

Ambient Temperature Range

-20/-40°C to +40/55°C



Power Supply

32, 63 or 125A 3P with or without neutral