Türkçe        E-Mail: info@demarole.com.tr | Phone: +90 216 3527735

We design, manufacture, and support comprehensive array of high-quality, user-friendly and innovative secondary protection solutions since 1977...


About DEMA

Dema has been manufacturing and delivering secondary protection systems and supplementary products since 1977. The company has become one of the pioneer companies in the fields of protection knowledge base, product quality and customer support.

We have always paid special attention to manufacture standard compliant products through our history, while providing user-friendly and innovative solutions.

Dema is running all of the product realization processes within its body, including the R&D, prototyping, molding and mass production phases.





Featured Products

We produce products and complete solutions that minimize blackouts and electrical system damage. Our digital protective relays respond within milliseconds to system faults, such as downed power lines caused by accidents or harsh weather. Our devices serves thousands of utilities and, in turn, millions of their customers, by contributing to safer operations and minimizing outages and damage caused by faults.
CPM 310G A DSP based digital multi-function protection control relay with 3 phase and 1 earth...
CPM 311 CPM 311 is tested to fulfill international standards requirements and provides numerous...
T4CH T4CH is a digital thermistor relay, intended to be used in applications where the protected...