About Phasecon
South Africa’s trusted manufacturer of thyristor controllers and industrial power electronics. For over 44 years, we’ve delivered quality, reliability, and expert technical support to the steel, mining, and manufacturing sectors.
Engineering Excellence Since 1980
PHASECON (Pty) Ltd has been a cornerstone of South Africa’s industrial electronics sector since 1980. We design and manufacture single-phase and three-phase thyristor trigger control cards, complete thyristor-controlled power stacks, and integrated panel systems for furnace control, motor drives, rectifiers, and power supplies.
Our K6550 Series has become the industry standard for thyristor control in South Africa, with over 10,000 units installed across the country’s leading industrial facilities. From ArcelorMittal steel plants to Anglo American mining operations, PHASECON controllers power critical processes that demand absolute reliability.
Our extensive network of experienced technical agents enables us to provide rapid support, upgrade existing machinery, and improve the quality, reliability, and productivity of your production processes. Whether you need a simple replacement controller or a complete control system retrofit, PHASECON delivers solutions that perform.
With headquarters at Icon Industrial Park in Centurion, we continue to invest in manufacturing capability and technical expertise. Our team is committed to providing prompt technical support and building lasting partnerships with our clients.
Why Choose PHASECON?
Our commitment to excellence has made us South Africa’s trusted partner for thyristor control solutions— from small replacement units to complete industrial automation systems.
Quality Engineering
Industrial-grade thyristor controllers built to exacting standards for harsh environments.
Proven Reliability
Trusted across steel, mining, ceramics and manufacturing with thousands of systems deployed.
Expert Technical Support
Selection, integration guidance and troubleshooting—fast, practical support when uptime matters.
Custom Solutions
Chassis mount units, panel/box assemblies, or turnkey solutions built to your requirements.
Industrial Applications
PHASECON thyristor control systems are used across a wide range of industrial applications— from precision furnace temperature control to high-torque DC motor drives.
Meet the Experts
Our experienced technical team is ready to assist with all your thyristor control requirements— from initial consultation to ongoing support.