Battery - pentru 047 71 - working reserve 5 years

Caracteristici tehnice 4 outputs multiple functions annual programme - 5 years clock working reserve 15 languages High precision clock: ± 0.2 sec per day For programming periods throughout the year 28 programmes per channel possible: daily weekly / astronomical programmes yearly programmes exceptional programmes Manual override (switch on and off) for every channel on the front of the switch Programmed directly on keypad, or using programme transfer key supplied Battery Working reserve 5 years for Cat. No 0 047 70 Caracteristici generale Programmable time switches - with digital display For switching an electric circuit (lighting, heating) ON or OFF at selected times during a pre-programmed time period Temporary (automatic return) or permanent (forced switching ON or OFF) override on output