Low Voltage Switch Room Design Guide

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switchboardlayout

switchboardlayout1

 

Switchboards

  1. Height would be 2.2 m (2000mm – switchboard, 200mm – plinth
  2. Width 600mm – 1050mm depending on construction
  3. Depth 600mm
  4. Weight 200 to 400 kg per panel

Room Dimensions

  1. Rear Clearence – 750mm
  2. Side Clearence – 1000mm
  3. Front Clearence – 700mm (preferred – 1500mm)
  4. Vertical Clearence – 400mm (may require additional)

Design Consideration

  1. Access for Personnel (normal and emergency)
  2. Access for equipment (installation, operation and maintenance)
  3. Regulatory compliance and approvals
  4. Cable containment and entries
  5. Earthing and grounding
  6. Water sealing (if below ground)

Environmental Category

  1. R1(indoor) – good heat insulation, air conditioned; office, shops, etc.
  2. R2(indoor) – good heat insulation, air conditioned, heating/airconditioning may out of service for several days
  3. R3(indoor) – no heat insulation, not air conditioned

 


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