Programmable electronic plug-in timer

摘要: A plug-in timer has a set of input terminals and output as well contactor operable to make and/or break electrical connection between these sets in accordance with pre-setable 24 hour program. The is powered from small built-in battery, comprises its own quartz clock programming-and-control means. actuated by miniature DC motor through gear cam arrangement. operation the controlled means, which provides power battery pre-set program; program may be modified at any time way keyboard numeric display operates hard metal contacts very little dissipation occurs within timer. can plugged into an ordinary household receptacle, load will then operate control flow this Since source energy clock, totally independent line, it therefore not affected failure. With usage rate two CONNECT-actuations DISCONNECT-actuations per day, plus occasional over-rides, last for years before needing replacement.