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Est. 1980 Made in South Africa

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.

Locally manufactured In-house technical support Obsolete-electronics replacement Custom & turnkey systems
Our range

Industrial thyristor products

Controllers, DC drives, rectifiers, power supplies, panels, cards and accessories — manufactured locally with technical support behind every unit.

Thyristor and furnace controller

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 rectifier

Industrial rectifiers

Air-cooled, oil-cooled and IGBT rectifiers for electroplating, electrolysis and high-current DC processes.

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DC drive

DC drives

Single & bi-directional DC motor control for conveyors, winders, rolling mills and crane systems.

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45+
Years in business
20 A–2000 A
Single & three-phase range
In-house
Design, manufacture & support
1980
Manufacturing since

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 PHASECON

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.

Since 1980

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.

PHASECON thyristor control cards mounted inside an industrial control panel

What we manufacture

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

PLC and HMI control panel manufactured by PHASECON

Local technical support

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

Low-ripple air-cooled industrial rectifier built by PHASECON

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

Furnace controllers Transformer primary/secondary control DC motor control (single & bi-directional) Field controllers HV DC supplies Low-ripple LV supplies Induction heaters Soft starters Slipring motor starters Battery chargers Flying saw / shear croppers Tube-mill control
Customer feedback

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.”
BennieMinproTech
“Thank you for the assistance. Much appreciated — I will work on your order today and tomorrow.”
Phenyo E.Valued customer

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.

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