Dold are a leading ISO 9001 approved European manufacturer of measuring relays, timers and interface relays for industrial, Safety and Railway applications, with a hard-earned reputation for service product reliability and performance. As Dold are the designers and manufacturer of our products internal relays, enclosures and the PCB assemblies, we have a tight control over quality which allows us to be able to offer cost effective and flexible technical solutions for general monitoring, Safety and Railway rolling stock and track-side applications. Currently throughout Europe, Canada, Asia & USA, many train manufacturers and maintainers confidently specify install and rely on Dold relay products. As a direct result of this, many products in our range comply with the current UK rolling stock requirements for, EMC, Voltage & transients, temperature and shock and vibration. Test and reliability data is available to customers on request, with the option of additional performance testing if required; our Railway compliant products are also CE approved for Railway applications.