Duelco is a Danish manufacturer of safety relays. Their head offices are located in Sönderborg, Denmark.
Established in 1974 Duelco's main strength lies in its extensive knowledge and experience of designing and manufacturing safety relays to the latest safety standards. They also design and manufacture customized solutions, meaning safety relays can be built to the customers specification if required.
Duelco also offer fully programmable safety controllers with a huge range of modular expansion units and network interface options.