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M3CK Star Controlled Rectifier (common cathode thyristor)

The M3CK three phase star controlled rectifier is an AC to DC converter that provides fixed DC output voltage from a given AC input supply. These rectifiers are used in applications where fixed DC voltage is essential.

  • Customised high power assemblies
  • Designed and manufactured to customer specifications
  • Using customer specific components or semiconductors from our product range
  • Choose from a wide range of topologies
  • Natural and forced air cooled options
  • Reburbishment service available

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Custom & flexible ordering

Specialising in the design and manufacture of power assemblies such as rectifiers, regulators, selenium suppressors and photovolatic triple diode assemblies, we offer power assemblies configured to suit your application and strict performance requirements.

RoHS Compliant, Meets BS EN 60146-1-1:2010 standard

Typical Applications

  • Supplies for DC power equipment
  • Input rectifiers for PWM inverter
  • Battery DC power supplies
  • Field supply for DC motors

For further information on star controlled rectifiers, please call us on: 01444 243 452 or email

Refer to manufacturer’s datasheet for full technical information.

RoHS Compliant



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BS EN 60146-1-1:2010, BS EN 60947-4-3:2014, RoHS Compliant

With over 50 years of extensive experience across a large range of markets, GD Rectifiers design and manufacture standard and custom made heatsinks, selenium and silicon rectifiers, suppressors, converters, inverters and regulator products for industrial power control applications.

GD Rectifiers’ engineers are experts in designing high quality and high reliability heatsinks and power assemblies for applications where optimised performance is required. Solid state semiconductor technology used in power assemblies provide customers with standard and custom design solutions for most industrial power applications.

The custom power specialist also manufactures a wide range of thermal management solutions, including axial fans, thermal trips and fan accessories. GD Rectifiers’ thermal management solutions improve reliability and prevent premature failure.

The company offer a wide range of high efficiency phase controlled thyristors, including replacements for obsolete thyristors, alongside circuit protection devices such as surge arresters and varistors for maximum security and protection.

GD Rectifiers

GD Rectifiers design and manufacture selenium and silicon rectifiers, suppressors, converters, inverters and regulator products for industrial power control applications.

We are one of the UK’s leading distributors of power electronic components and hold extensive stock of diodes, thyristors, IGBTs and MOSFETs from the world’s leading semiconductor manufacturers.

Learn more about our products by getting in touch with us.

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