ELTRON is a distributor of DOLD in Poland. Selection, technical documentation and compliance questions are handled by the ELTRON team.

E. Dold & Söhne GmbH & Co. KG (Furtwangen, Germany) manufactures relay modules for safety technology, network monitoring, time control and power electronics, as well as PCB relays. Product families: SAFEMASTER (safety modules, the SAFEMASTER W wireless system, SAFEMASTER STS safety switches and key transfer), VARIMETER (IMD insulation monitors, PRO measuring relays, RCM residual current monitors), MULTITIMER (time relays), POWERSWITCH (solid-state relays and contactors) and PCB relays with forcibly guided contacts, including versions to EN 50578 (UIC 736) for railway signalling.

In railways DOLD supplies equipment for infrastructure, rolling stock and metro. For interface, time and insulation monitoring modules the datasheets give a design or classification to EN 50155 and EN 61373, the PCB signalling relays are designed to EN 50578, and the safety modules reach Category 4 / PL e and SIL 3. DOLD has references in Germany in securing entrances and guards in rolling stock maintenance halls with the SAFEMASTER STS system - flyer on this page. Products are presented by installation location in the vehicle and in infrastructure.