Industrial Thyristor Controllers, built in South Africa
Single- and three-phase thyristor controllers, DC drives and industrial rectifiers from 20 A to 2000 A — designed, manufactured and supported in-house in South Africa since 1980.
Industrial thyristor products
Controllers, DC drives, rectifiers, power supplies, panels, cards and accessories — manufactured locally with technical support behind every unit.

Thyristor & furnace controllers
Precise power regulation from 20 A to 2000 A for resistive loads, induction and arc furnaces and electric kilns.
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Industrial rectifiers
Air-cooled, oil-cooled and IGBT rectifiers for electroplating, electrolysis and high-current DC processes.
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DC drives
Single & bi-directional DC motor control for conveyors, winders, rolling mills and crane systems.
View details →Engineered for where uptime is non-negotiable
From steel and minerals to ceramics, heat treatment and general manufacturing — PHASECON controllers keep critical processes running.
Why industry keeps coming back
Over four decades of thyristor-control engineering, backed by people who answer the phone and know the products inside out.
Quality engineering
Industrial-grade cards and stacks built to exacting standards for harsh South African plant environments.
Proven reliability
Installed across South African industry since 1980, from single control cards to complete furnace panels.
Real technical support
Experienced in-house engineers help you select, integrate and commission — practical advice on every enquiry.
Custom solutions
Chassis-mount units, panel assemblies or complete turnkey systems built to your specification.
Thyristor control specialists — from a single card to a complete system
PHASECON has been operating in the industrial electronic industry since 1980 and has built a reputation for quality and reliability. Through our network of experienced technical agents across South Africa, we upgrade existing machinery to improve the quality, reliability and productivity of your production process.

What we manufacture
Single- and three-phase thyristor trigger control cards, complete thyristor-controlled stacks, and complete systems built into panels.

Local technical support
Our in-house technical support engineers assist with selection, integration and troubleshooting — practical help when uptime matters.

Trusted across key sectors
We hold long-standing relationships with leading South African steel and mineral companies, and have made a real difference in ceramics and heat treatment through major furnace builders.
What we build
- Single & three-phase thyristor trigger control cards
- Complete thyristor-controlled power stacks
- Complete control systems built into boxes & panels
Supplied in chassis-mount format or in boxes / panels as your application requires. Explore the full range →
Common applications
What our customers say
Real messages from customers we’ve worked with. Read more reviews →
“Thank you very much for excellent service, and thank you for the spare card and the screwdrivers. It really is a great pleasure to work with you.”
“Thank you for the assistance. Much appreciated — I will work on your order today and tomorrow.”
Need a controller, a card, or a complete panel?
Tell us your voltage, current rating and application — our technical team will recommend the right solution and quote you quickly.
