Recent Projects
2 x 315kVA Oil Cooled Surface Mini Substations Manufactured
RMM successfully manufactured and delivered two 315 kVA 11 kV / 400 V oil-type surface mini substations for a plant in Cape Town. The project was completed on schedule and received positive client feedback. We remain committed to delivering high-quality transformer...
2 x 2500kVA Cast Resin Transformers in Aluminum Housing
Two 2,500kVA 11kV / 550V cast resin transformers, housed in aluminium enclosures, were designed, manufactured, and tested at our facility in Chloorkop, Edenvale. RMM specialises in high-performance dry-type transformer solutions for demanding industrial and mining...
1 x 1000kVA Oil Cooled Transformer Manufactured
RMM manufactured its first oil-cooled transformer at its state-of-the-art facility in Chloorkop, Edenvale. The unit, rated at 1,000kVA, 11kV / 400V (ONAN), was designed and built in accordance with SANS 780, with all routine tests successfully completed. The client...
Electricity cost savings of R13,700 per month projected for local sheet metal fabricator
By installing a 150kVAr PFC unit, our client's PF is corrected from 0.73 to 0.98, which will result in projected savings of...
Underground mini substations with custom electrical interlocking security system delivered to local mine
PRODUCT: IP54-800kVA11kV_550V
We provide cost and time saving solutions to our clients; like our compact underground mini substation that easily fits in a man winder cage…
Largest substation RMM has supplied to date
For this project, RMM designed and delivered an IP55 substation that is almost double the size of our normal IP55 mini substation. To put it in...
Compact underground substations delivered to copper mine in Zambia fits in man winder cage & reduces installation time
PRODUCT: IP54-800kVA11kV_550V
We provide cost and time saving solutions to our clients; like our compact underground mini substation that easily fits in a man winder cage…
Renewal of coal mine’s electrical infrastructure
PRODUCTS: IP54-200kVA,11kV,400V / IP54-2500kVA,11kV,690_400V
We delivered various cast resin dry-type transformer solutions to this particular mine, who is committed to phasing out all of its 30+ oil-type transformers…
Trolley-assist pantograph transformers to save local coal mine up to 50% in fuel costs
PRODUCT: IP54-3900kVA
By applying trolley-assist, mine hauling activities can save up to 50% in fuel cost, and improve the productivity of the fleet by 10% or more.
Mobile substation solution delivered to coal mine in South Africa
PRODUCT: IP00-3500kVA 11kV_6.6kV
Mobile substations can easily be relocated when and where it is needed on a mine, all at a lower installation cost.