SUBPROCON PTY LTD

Substation protection and control are the core services offered by Subprocon (Pty) Ltd, a Johannesburg-based engineering company serving HV and MV substations across South Africa. In addition, the company provides professional engineering and field services to industrial, mining, and utility clients. These services deliver reliable, safe, and compliant substation solutions.

Subprocon commissions new HV and MV substations. Furthermore, we test and maintain protection relays for existing substations. Additionally, we retrofit and replace protection relays, install primary and secondary plant, and terminate substation interfacing and control cables. Our experienced engineers and technicians perform all site work according to South African standards and industry best practices. Moreover, we ensure that every project meets strict quality and safety requirements.

Our engineering team designs protection and control schemes that meet client operational requirements and network conditions. Also, Subprocon supplies high-quality protection and control equipment from reputable international manufacturers. This approach ensures long-term reliability, optimal performance, and minimal downtime for our clients’ substations.

We test and commission protection relays from leading manufacturers including ABB, VAMP, MiCOM, General Electric, and Schneider Electric. In addition, we service both indoor and outdoor switchgear, including air-insulated, oil-insulated, and gas-insulated switchgear from Reyrolle, ABB, Alstom, and other trusted brands. Consequently, our services support industries such as mining, utilities, manufacturing, and large commercial operations.

Our team operates with professionalism, integrity, and technical excellence. As a result, we follow strict safety procedures during all substation work. Furthermore, we use calibrated, certified test equipment for every test. Subprocon delivers dependable engineering solutions and ensures clients in Johannesburg and across South Africa consistently receive value for money through high-quality workmanship, reliable services, and expert technical support.

Finally, Subprocon remains committed to continuous improvement, staying updated with the latest technologies to provide innovative and efficient solutions to all clients.