DIN Rail Mounting Programmable Countdown Timer Switch Work Circularly

86*36*66mm Programmable Digital Timer Switch white , gray 18 on & 18 off , 18 times pulse Matters needing attention 1 the total power of the electrical equipment connected with this product shall not exceed the rated power, which is used in the indoor drying environment; 2. This product can work circularly and the program can be used circularly; 3 do not insert this product directly into the already running electrical appliance; 4 when the electrical appliance is connected to