ITA 4c yearly programmable time switch. Weekly or yearly time programming to be distributed over 4 channels. Override control with switch or push-button via external inputs.A memory key and a programming kit can be used to duplicate on another ITA or to save the program created by the user.Voltage rating (Ue): 230 V AC, 50/60 Hz. Consumption 124-3.2 W depending on the switching status). Operating temperature -30°C to 55°C. Width (9 mm modules): 8.Degree of protection: IP20. Output contact rating 250 V: 16 A cos Phi 1. 6 A cos Phi 0.6. LCD liquid crystal display: Back-lit.Number of switching operations: 300. Minimum switching: 1 s. Switching accuracy: Without antenna: ± 0.5 s per day at 20°C. With antenna: 1 s on 1 million years1 s.Number of channels: 4.