Comlek Group holds NATA accreditation for the overhaul and pre-overhaul of hazardous area electrical equipment. The Mackay workshop is fully equipped to complete strip and overhauls of all major and minor equipment. Comlek also manufactures, overhauls, redesigns and upgrades NERZ equipment. This includes the integration of arc flash detection equipment, protection relay upgrades, remote switching capabilities, etc.


  • Pre-overhaul inspections completed on site
  • Complete overhaul of Ex d and Ex e equipment
  • Full strip and rewire of equipment, component testing, function testing, etc.
  • Primary and secondary injection testing of protection equipment, electrical components and equipment
  • Flamepath repair
  • Parts supply
  • Hazardous area classifications and inspections

Overhaul Examples

  • Auxiliary Fans
  • Continuous miners
  • DCB’s
  • Pod Pumps
  • Starters

NERZ equipment

  • 11kV to 1kV transportable substations
  • Pit bottom substations
  • Vector winches
  • Booster pump starters
  • Remote switching enclosures
  • Dupline communications