The TH857 by CDVI is a timer module on a DIN rail mount. It runs up to 7 days with 8 on/off schedules - ideal for daily free access periods. The TH857 is a timer module that is equipped for DIN rail mounting. The timer runs up to 7 days, with up to 8 on/off schedules permitted – this is ideal for setting up free access periods in environments such as schools. With an LCD digital screen, programming is quick and simple, and an LED indicator provides visual confirmation of status. TH857 operates automatically, but also includes a manual override just in case. 7-day DIN rail mount timer 8 on/off schedules LED indication and LCD screen for progamming Battery backup for 200 hours Ideal for setting up free access periods
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