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Final Distribution Boards

Memshield 3 MCB Distribution Boards

Eaton’s Memshield 3 MCB distribution boards have evolved through an intimate knowledge and feedback from electrical contractors, consulting engineers and end users to provide solutions to a wide range of electrical distribution applications in commercial buildings. Memshield 3 delivers safe, reliable and high performance protection of electrical power distribution systems in accordance with BS EN 61439.

Type A, SPN distribution boards
incoming device ratings up to 125 A
Type B, TPN distribution boards
incoming device ratings up to 250 A

Core features

  • Unique ‘full form’ blanking modules for unused MCB ways, provides secure shrouding of unused busbar stabs for increased electrical safety
  • Blanking modules have interlinking form for improved positional security
  • Main busbar is removable for flexible installation/Removable busbar assembly to assist installation
  • Associated devices are high performance MCBs, developed for commercial and industrial applications, dual rated at 10 kA IEC – 60898 & 15 kA IEC 60947-2 in B, C or D curve
  • Enclosure body type: Steel - welded case end with cable gland plate
  • IP Rating
    • Type A: IP3X (when correctly installed on the wall)
    • Type B: IP4X (when correctly installed on the wall)
  • Conditional short circuit rating:
    • Type A: 15 kA to BS EN 61439
    • Type B: 25 kA to BS EN 61439
  • Busbar short time withstand (lcw)
    • Type A: 5 kA 0.1 s
    • Type B: 10 kA 0.5 s / 17 kA 0.25 s

Memshield 3 MCB Distribution Boards

Type A and Type B distribution boards with ratings up to 250 A deliver safe, reliable and high performance protection of electrical power distribution systems.

Modular Enclosures

Modular enclosures will accept MCBs, RCCBs, RCBOs, fuse modules and command and control devices. Some of the enclosures can be combined with Type A or Type B distribution boards depending on their profile width.

Enclosure accessories:

  • additional earth bar (15 additional holes)
  • door barrel lock with 2 keys
  • door padlocking kit
  • padlock suitable for door padlocking kit

MCB Pan Assemblies

Interiors & incoming devices for single phase and three phase

MCB pan assemblies offer a high degree of flexibility for custom applications. SPN types are available with 4, 7, 10, 13, and 16 ways. TPN types are available with 4, 6, 8, 12,18 and 24 ways.

Technical characteristics:

  • Eaton MCB pan assemblies are suitable for inclusion in other factory built assemblies and as replacements for distribution board interiors.
  • MCB pan assemblies feature fully shrouded busbars.
  • Different incomer options available as separate kit

More information you can find in Power Distribution Components catalog

         

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Specifications
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Type A, SPN distribution boards

125 A SPN, type A distribution boards
  • SPN boards are rated at 125 A as standard and available in 5 sizes with a choice of 4, 7, 10, 13 and 16 single pole outgoing ways
  • New standard incomer Switch Disconnector rating of 125 A provides higher rated solution for commercial buildings
  • Fully type tested with a conditional short circuit rating of 15 kA to BS EN 61439
  • Associated devices are high performance MCBs, developed for Commercial and Industrial applications, dual rated at 10 kA IEC – 60898 & 15 kA IEC 60947-2 in B, C or D curves
  • A choice of metering solutions are available as standard, providing clear electrical consumption information as well as a permanent capability of visualising information on a variety of other electrical parameters
  • Main busbar is removable for flexible installation
  • Provides secure shrouding of unused busbar stabs for increased electrical safety
  • Blanking modules have interlinking form for improved positional security
  • Fully shrouded Neutral busbar for increased safety
  • Optional coupling kit available to electrically connect two distribution boards together vertically from a single supply cable to expand number of MCB ways
  • Unique ‘full form’ blanking modules for unused MCB ways
  • Choice of metering option to suit application needs and aid compliance with latest Building Regulation – part L2
  • Door opens 180° to provide easy access and device operation

Type B, TPN distribution boards

125 A TPN, type B distribution boards
  • TPN boards are rated at 125/250 A as standard and available in 8 sizes with a choice from 2 up to 24 triple pole outgoing ways
  • 125 A Switch Disconnector Incomer for general commercial building applications
  • Fully type tested with a conditional short circuit rating of 25 kA to BS EN 61439
  • Welded ‘case end’ design board with removable gland plates provides super ‘stiff’ construction, even with gland plates removed. Construction virtually eliminates distortion during installation, ensuring final assembly fit and alignment
  • A choice of metering solutions are available as standard, providing clear electrical consumption information as well as a permanent capability of visualising information on a variety of other electrical parameters
  • Removable busbar assembly to assist installation
  • Improved Neutral cable clamp design for simple & secure cable connection
  • Compact 250 A options on 12, 18 and 24 way boards, where used with cable extension box or with cable trunking
  • Unique cable trunking interface kit simplifies mounting of cable trunking and protects cables
  • Specific range of 250 A high-load distribution boards with outgoing ways for 27 mm MCB option (up to 125 A)
  • Unique ‘full form’ blanking modules for unused MCB ways, provides secure shrouding of unused busbar stabs for increased safety. Blanking modules have interlinking form for improved positional security
  • Additional Functional Earthing options and Clean Earth options available
  • Auto-formed, curved construction of main cover adds to board rigidity, with improved appearance
  • Removable door aids installation and ‘easy hang’ hinge design makes re-attachment of door simple

Memshield 3 Cable Trunking Interface Kit - The simple solution

Eaton's unique Cable Trunking Interface Kit is simply bolted between the Memshield 3 Distribution Board and cable trunking to provide mechanical protection of cables from sharp edges of cut steel.