Features High-performance timing switch, three-wire input and output three-wire, the maximum power reaches 4kW, eliminating the trouble of connecting the contactor. Just set the ON/OFF time, a total of 17 switch settings, from Monday to Sunday, any setting can be set at least one minute apart, and can be manually turned on and off temporarily. It can realize unmanned management, is safe and reliable, and has stable performance, which is a very good choice. Built-in rechargeable battery, power-off memory, no need to reset the program, convenient and practical. Widely used in three-phase 350V-420V AC motors and water pumps, fish pond oxygenation, rice steamers, water heaters, billboards, neon lights, exhaust fans and other equipment. Features: -High-performance timing switch, three-wire input and output three-wire, the maximum power reaches 4kW, eliminating the trouble of connecting the contactor. -Just set the ON/OFF time, a total of 17 switch settings, from Monday to Sunday, any setting can be set at least one minute apart, and can be manually turned on and off temporarily. -It can realize unmanned management, is safe and reliable, and has stable performance, which is a very good choice. -Built-in rechargeable battery, power-off memory, no need to reset the program, convenient and practical. -Widely used in three-phase 350V-420V AC motors and water pumps, fish pond oxygenation, rice steamers, water heaters, billboards, neon lights, exhaust fans and other equipment. Specifications: Voltage: 380V/50-60Hz Control output: 16A (three-phase direct output) Setting times: 17ON/OFF (day/week) Set time: 1 minute to 168 hours Travel time error: 1s/24h Power failure memory: more than 180 days (built-in 1.2V rechargeable battery) Installation size: 120*120*52mm/4.7*4.7*2in Installation method: screw, guide rail (35mm/1.38") Weight: Approx. 467g/16.5oz Packing list: 1 x Programmable Time Relay       Package List