The TR series are a range of digital time switches from Theben / Timeguard which feature a large variety of functionality including yearly and astronomical programs, automatic summer / winter time changeover, Interface for OBELISK top2 memory card (PC programming), up to 800 memory locations and a 10 year power reserve (via a lithium battery). There are both single and quad channel versions available from Theben / Timeguard with up to 16 A resistive load switching capabilities.
Digital time switch with yearly and astronomical time program functions Connectable sensors (external selector switch, sequence timer) Connectable switches (ON or OFF permanent switching) DuoFix spring terminals Wire diameter: 0.5 → 2.5 mm² Button for releasing plug-in connection Text-oriented user guidance in display Up to 800 memory locations available Interface for OBELISK top2 memory card (PC programming) 10 year power reserve (lithium battery) Automatic summer/winter time changeover Pulse program and cycle program Extensive yearly clock functions Basic weekly program and 14 different weekly programs with priority levels and date ranges Permanent ON / permanent OFF with highest priority via date range program option Fixed and variable public holidays, public holidays dependent on Easter, day and date ranges with serial pattern Astronomical time switch function (automatic calculation of sunrise and sunset times for the whole year) Offset availble for adjusting of sunrise and sunset times Integrated count down timer Integrated operating hour counter functionality Display back light (can be turned off if not desired)
