1. Programmable mechanical timer switches make your life smarter and more convenient. 2. Installation on DIN rails, easy to install. ### Functional Features - Mechanical timer switch: large dial with clear markings; the quartz movement starts automatically a few minutes after power is connected. - Easy to operate: 24 - hour timer, equipped with a manual switch, supporting program timing (automatically turn on/off according to the schedule) and always - on/always - off modes. - Built - in backup battery. - DIN rail installation: easy to assemble and disassemble, flexible to use. - Compact size and light weight, easier to install. - Transparent dust cover: dust - proof and splash - proof, extending the service life. - The transparent design does not affect the view of the dial. 3. Wide applications: suitable for street lights, ventilation equipment, fountains, advertising signs, production equipment, radio and television equipment, etc. 4. Only suitable for dry indoor places. ### Precautions - Installation work must 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. ### Specification Parameters #### 1. Model and Voltage - SUL181h, AC 110 - 230V / SUL181h, DC 12V / SUL181d, AC 110 - 230V / SUL180a, AC 220 - 240V (optional) #### 2. Material - ABS #### 3. Built - in Battery - 1.2V 40mAh nickel - hydrogen battery #### 4. SUL181h (AC 110 - 230V/DC 12V) - Color: gray - Contact capacity: 16A - Power: 2W - Frequency: 45 - 60Hz (AC 110 - 230V) - Time range: 24 hours - Minimum interval: 30 minutes - Number of settings: 48 times, 30 minutes each time - Backup time: 150 hours - Contact resistance: 50mΩ - Insulation resistance: 100mΩ - Product size: 54 * 68 * 110 mm / 2.13 * 2.68 * 4.33 inches - Packaging size: 11.5 * 7.5 * 6 cm / 4.53 * 2.95 * 2.36 inches - Packaging weight: 192 g / 6.77 ounces #### 5. SUL181d (AC 110 - 230V) - Color: white or gray (randomly shipped) - Power: 1W - Frequency: 50 - 60Hz - Switching capacity: 16A, 250V~, power factor = 1; 4A, 250V~, power factor = 0.6 - Incandescent lamp load: 1100W - Time range: 24 hours - Minimum interval: 15 minutes - Number of settings: 96 times, 15 minutes each time - Backup time: 200 hours (230V); 100 hours (110V) - Product size: 54 * 65 * 90 mm / 2.13 * 2.56 * 3.54 inches - Packaging size: 9.8 * 7 * 6 cm / 3.86 * 2.76 * 2.36 inches - Packaging weight: 135 g / 4.76 ounces #### 6. SUL180a (AC 220 - 240V) - Color: gray - Contact capacity: 16A - Power: 1W - Frequency: 50 - 60Hz - Load: 1000W incandescent lamp; 150W energy - saving lamp - Time range: 24 hours - Minimum interval: 15 minutes - Number of settings: 96 times, 15 minutes each time - Backup time: 72 hours - Contact resistance: 50mΩ - Insulation resistance: 100mΩ - Product size: 18 * 65 * 90 mm / 0.71 * 2.56 * 3.54 inches - Packaging size: 9.8 * 7 * 2 cm / 3.86 * 2.76 * 0.79 inches - Packaging weight: 85 g / 2.98 ounces ### Packing List 1. One timer switch 2. One user manual (in English)