A. Programmable mechanical timer switches can make your life smarter and more convenient. Installation on DIN rails is relatively easy. B. ### Functional Features - The mechanical timer switch has a large dial with clear markings. The quartz movement starts automatically a few minutes after power is connected. - It is relatively easy to operate. It has a 24 - hour timer, is equipped with a manual switch, and supports program timing (automatically turning on/off according to the schedule) and always - on/always - off modes. - It has a built - in backup battery. - DIN rail installation allows for relatively easy assembly and disassembly, and flexible use. - It has a compact size and is relatively light in weight, making it easier to install. - The transparent dust cover is dust - proof and splash - proof, which can extend the service life. - The transparent design does not significantly affect the view of the dial. C. These timer switches have wide applications and are suitable for street lights, ventilation equipment, fountains, advertising signs, production equipment, radio and television equipment, etc. They are only suitable for dry indoor places. D. ### Precautions - Installation work is recommended to be carried out by a qualified electrician. - Please read the user manual carefully before use. - Due to manual measurement and different lighting conditions, there may be slight differences in size and color. Thank you for your understanding. E. ### Specification Parameters #### 1. Model and Voltage - There are options such as SUL181h, AC 110 - 230V / SUL181h, DC 12V / SUL181d, AC 110 - 230V / SUL180a, AC 220 - 240V. #### 2. Material - The material is ABS. #### 3. Built - in Battery - It is a 1.2V 40mAh nickel - hydrogen battery. #### 4. SUL181h (AC 110 - 230V/DC 12V) - The color is gray. - The contact capacity is 16A. - The power is 2W. - The frequency is 45 - 60Hz (AC 110 - 230V). - The time range is 24 hours. - The minimum interval is 30 minutes. - The number of settings is 48 times, 30 minutes each time. - The backup time is 150 hours. - The contact resistance is 50mΩ. - The insulation resistance is 100mΩ. - The product size is 54 * 68 * 110 mm / 2.13 * 2.68 * 4.33 inches. - The packaging size is 11.5 * 7.5 * 6 cm / 4.53 * 2.95 * 2.36 inches. - The packaging weight is 192 g / 6.77 ounces. #### 5. SUL181d (AC 110 - 230V) - The color is either white or gray (shipped randomly). - The power is 1W. - The frequency is 50 - 60Hz. - The switching capacity is 16A, 250V~, power factor = 1; 4A, 250V~, power factor = 0.6. - The incandescent lamp load is 1100W. - The time range is 24 hours. - The minimum interval is 15 minutes. - The number of settings is 96 times, 15 minutes each time. - The backup time is 200 hours (230V); 100 hours (110V). - The product size is 54 * 65 * 90 mm / 2.13 * 2.56 * 3.54 inches. - The packaging size is 9.8 * 7 * 6 cm / 3.86 * 2.76 * 2.36 inches. - The packaging weight is 135 g / 4.76 ounces. #### 6. SUL180a (AC 220 - 240V) - The color is gray. - The contact capacity is 16A. - The power is 1W. - The frequency is 50 - 60Hz. - The load is 1000W incandescent lamp; 150W energy - saving lamp. - The time range is 24 hours. - The minimum interval is 15 minutes. - The number of settings is 96 times, 15 minutes each time. - The backup time is 72 hours. - The contact resistance is 50mΩ. - The insulation resistance is 100mΩ. - The product size is 18 * 65 * 90 mm / 0.71 * 2.56 * 3.54 inches. - The packaging size is 9.8 * 7 * 2 cm / 3.86 * 2.76 * 0.79 inches. - The packaging weight is 85 g / 2.98 ounces. F. ### Packing List 1. One timer switch 2. One user manual (in English)