Welcome to Dema Relay

DEMA has been manufacturing and delivering secondary protection systems and supplementary products since 1977. The fundamentals of our company were first built through efforts of the company founder Mr. Ali MANSOURI in 1974, to develop the first national electromechanical protection relay.

DEMA Relay Industry and Trade Joint Stock Company was found in Istanbul, Turkey in 1977. From the foundation up to now, DEMA has been manufacturing and delivering secondary protection systems and supplementary products. The company has become one of the pioneer companies in the fields of protection knowledge base, product quality and customer support.

Why Dema?Supports Turkey’s Engineering Sector

First Domestic Production

As DEMA ROLE, We are manufacturing 400 Series TURKEY’S FIRST DOMESTIC PRODUCTION having IEC61850 Communication Protocol , having KEMA Level A Certificate and also having Multifunctional Directional Overcurrent Relay , Multifunctional Directional Voltage & Frequency Relay, Multifunction Directional Engine Protection Relays. We are prouding to be Solution Partner for your Valuable Projects in Medium Voltage.

High Technology & Worldwide Quality Production

Our products are produced in our own facilities together with High Technology and International Standards. The designs and projects of our products are made by domestic engineers and we use domestic software produced by Turkish Engineers.

Free Education & Technical Support During Product-Life

Dear Stakeholders, We provide free training service in our factory if requested from the date of purchase of our products. Our training is given to the accumulative and expert people in our factory.

We provide Technical Support for our products till the end of Product-Life.

Featured ProductsWe are decreasing your costs with our products