30A Programmable Digital Timer Switch Automatic Cycle Timing Controller 1. TM919B (30Amp load) DIN rail 7-day 24-hour programmable switch timer can automatically turn on and off various electrical equipment at preset times. 2. Widely used for 7-day programmable control of street lights, neon lights, signs, lamps, water heaters, air conditioners, billboards, rice cookers, boosters, sprayers, bottling machines, preheaters, agricultural facilities and broadcasting equipment. 3. Built-in 1.2V40mA rechargeable battery for storing power-off programs. It has the characteristics of low power consumption, high CMOS chip accuracy, strong anti-interference and simple setting. Specifications: 1. Power supply: AC220VDC24V DC12V DC5V AC85-265VAC110V 2. Switch contact: 1 switch 3. Program: Onoff 16 times per day or week 4. Minimum interval: 1 minute 5. Timing range: 1 minute~168 hours 6. Average error: 1 second24 hours, 25 degrees Celsius