About ABB RER670 PROTECTION RELAY (ONLY DISPLAY)

ABB RER670 PROTECTION RELAY (ONLY DISPLAY)

ABB™s railway application intelligent electronic device (IED), Relion RER670, is used for the protection, control and monitoring of the transmission lines and/or transformers in a two-phase 16.7, 50 and 60 Hz power system design for railway supply. It supports isolated, compensated and solidly earthed networks.