DEMA Relay Inc. has been manufacturing and delivering secondary protection systems and supplementary products since 1977.
Dema has become one of the pioneer companies in the fields of protection knowledge base, product quality and customer support.
Dema Relay Inc. is running all of the product realization processes within its body, including the R&D, prototyping, molding and mass production phases.
Dema Relay Inc. produce its products both in European standards, and IEC (International Electrotechnical Commission) norms; has relevant quality and test certifications by various institutions and organizations.
Dema Relay Inc. , has been providing after-sales support, technical service, relay trainings and relay software developed by Turkish Engineers to its customers, in addition to carrying out production with today's technology based on customer satisfaction since it started its activities. Customers are also provided with technical support in areas such as field applications, product commissioning and breaker, DC supply, current transformer, control panel in the product systems, and the correct construction of the protection selectivity is ensured.
1990
R1SA01: The first draw out type electromechanical earth fault protection relay in the country with DMT delay,
Single phase definite time earth-fault relay (with DRK05 case)
R1ST04:The first draw out type electromechanical thermal overload protection relay in the country with thermal image display
Electromechanical Single Phase Earth Thermal overcurrent relay (with heat indicator) (with DRK05 case)
1997
MCR Series: The first draw out type electronic overcurrent protection relay series in the country with DMT and IDMT delay,
MCR 010- Single Phase Earth Overcurrent Short Circuit
MCR 100- Single Phase Overcurrent Short Circuit Relay
MCR 200: Electronic Microprocessor control Multifunction 2 Phase
MCR 210- 2 Phase – 1 Earth Overcurrent Short Circuit Relay
MCR 300 – 3 Phase Overcurrent Short Circuit Relay Electronic Microprocessor control Multifunction 3 Phase
MCR 310 - 3 Phase – 1 Earth Overcurrent Short Circuit Relay
MVR Series: The first draw out type electronic over/undervoltage protection relay series in the country with DMT and IDMT delay
MVR 100 :1 Unit over/under voltage relay
MVR 200: 2 Units over/under voltage relay
MVR 300 : 3 Units over/under voltage relay
MVR 400 : 4 Units over/under voltage relay