South African electrical enclosure specialist Power Process Systems (PPS) has successfully delivered a set of custom-engineered drag boxes for a major titanium mining project in Madagascar. Designed for mobile medium-voltage (MV) power distribution, the drag boxes enable reliable energy supply to dredges operating across the site’s dynamic dune environment.
Referred to as drag boxes because they are skid-mounted and portable, these enclosures are easily repositioned as the mining operation progresses. This project also marks a significant milestone for PPS, as it involves a Medium Voltage (MV) solution, whereas the company’s traditional focus has been on Low Voltage (LV) systems. The move into MV product development reflects PPS’s diversification and commitment to expanding its global footprint.
Manufactured at PPS’s Aeroton, Johannesburg facility and exported to site via its long-standing client Isotech, the Drag Boxes exemplify the company’s export capabilities and engineering reliability in harsh, coastal environments. The enclosures form part of a mobile infrastructure that supports dredge movement as mining progresses across the landscape.
“These drag boxes are used as medium-voltage cable extensions,” explains Tony Matos, Sales Representative at PPS. “In titanium mining, the sand is sucked through a concentrator by means of a dredge. In the concentrator, they extract and refine several minerals. Because the mining is done on dunes, they often move or extend the dredge forward. Every time the floating pond with the dredge shifts, they simply plug in another Drag Box and extend the cable.”
This modular approach ensures continuous electrical supply as the mining equipment advances. “Once the cable gets too long, they move the power source closer and start the process again,” says Matos. “Sometimes these drag boxes even get flooded, but because the cable connections are submersible, there is no power loss.”
The PPS drag boxes supplied for this project were specifically designed to meet the environmental challenges of the Madagascan coastline. “With these products being on the coastline, material selection was crucial,” said Matos. “We used various grades of stainless steel to ensure durability and corrosion resistance.”
The project commenced in July 2023 and concluded by March 2024, with PPS supplying four heavy-duty drag boxes in total. “We expect another four units to be ordered later this year,” Matos reveals. “Everything is done locally by us, from the enclosures to making provision for the glands and connectors. Our client handles the cabling and final installation on site.”
Each drag box includes provision for a limit switch, enabling the system to detect whether the enclosure has been opened or closed, an important safety feature for remote monitoring and control.
Beyond the project’s success, the Madagascar delivery illustrates PPS’s growing footprint in international markets. “It is a great example of how a South African company can meet international standards and client-specific needs,” said Matos. “This is not a standard product of ours. We customised it to suit the project’s operational and environmental requirements.”
As global mining companies increasingly seek reliable power distribution solutions in remote locations, PPS’s expertise in bespoke enclosures and proven export logistics positions it as a trusted partner for international industrial projects.
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Notes to the Editor
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About Power Process Systems
Power Process Systems (PPS) is an electrical enclosure and distribution equipment manufacturer. At our fully equipped manufacturing, assembly and wiring facilities in Gauteng and the Western Cape, we produce all components of our products in-house.
In our CNC plants we cut, bend, and nest various enclosures, racking assemblies and mounting frames. We also laminate fibreglass boxes and have a complete range of polyethylene enclosures. We fit and wire these enclosures according to required specifications in our various assembly lines. They are then FAT tested prior to delivery.
We predominantly supply to the electrical infrastructure market. Our focus is on electrical reticulation (underground and overhead) and commercial distribution (office complexes, shopping malls, hospitals, etc.).
We are an OEM and product partner to CBI, ABB, Schneider Electric, Hager, Legrand, Chint, and many other common switchgear brands.
We have an ISO 9001/2008/ SABS quality accreditation and are a SABS accredited production facility for electrical assemblies up to 10 kA.
Power Process Systems Contact
Michael du Toit
Managing Director
Phone: 0861 777 769 (0861 PPS POW)
Email: michael@ppspower.co.za
Web: www.ppspower.co.za
Media Contact
Rachel Mekgwe
Senior Account Executive
NGAGE Public Relations
Phone: (011) 867 7763
Cell: 074 212 1422
Email: rachel@ngage.co.za
Web: www.ngage.co.za
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PPS drag boxes were custom-built for Madagascars harsh coastal conditions.
Tony Matos, Sales Representative at PPS
Various grades of stainless steel were used to ensure durability and corrosion resistance. - PPS delivers custom drag boxes for coastal mining in Madagascar_approved
PPS delivers custom drag boxes for coastal mining in Madagascar_approved
