Overwhelming Response to Bender’s RS4 at Railtex Yurtdışı Haberleri by railsistem - Haziran 20, 20190 New signal power protection systems from Bender UK were officially unveiled at Railtex 2019. The launch of new multi-tier fault detection and location systems was a huge hit with customers and visitors alike. They were all extremely impressed with the display of new Rail Signalling 4 (RS4) NR/L2/SIGELP/27725 Tier 1, 2