EATON universal TR series timers are our most flexible and cost effective timing relays available. products are available with up to seven user selectable functions and seven user selectable time ranges. each unit is DIN-rail mountable with a direct connection, eliminating the need for additional sockets. the universal TR series timers are available in SPDT and DPDT contact configurations and have a compact IEC style footprint and a universal input voltage range for AC and DC applications.