1. High-performance timer switch, three-wire input and three-wire output, helping to solve the problem that some customers are inconvenient to wire the neutral wire.2. Simply set the on/off time, with a total of 17 on/off settings, from Monday to Sunday, any setting can be set at least one minute apart, and the maximum time is 168 hours (equal to 1 week), which can be manually turned on and off temporarily. As long as it3. It is widely used in 350v-420vac three-phase motor and other equipment such as water pump, fish pond oxygenation, rice steamer, water heater, billboard, neon lamp, exhaust fan, etc.4. Can realize unmanned management, safe and reliable, stable performance, is a very good choice.5. Built-in rechargeable battery, power-off memory. No need to reset the program, convenient and practical. Specification: Features:High-performance timer switch, three-wire input and three-wire output, helping to solve the problem that some customers are inconvenient to wire the neutral wire. The maximum power reaches 4KW, avoiding the trouble of contactor connection.Simply set the on/off time, with a total of 17 on/off settings, from Monday to Sunday, any setting can be set at least one minute apart, and the maximum time is 168 hours (equal to 1 week), which can be manually turned on and off temporarily. As long as it is set once, it can be cycled continuouslyIt is widely used in 350v-420vAC three-phase motors and other equipment such as water pump, fish pond oxygenation, rice steamer, water heater, billboard, neon lamp, exhaust fan, etc.Can realize unmanned management, safe and reliable, stable performance, is a very good choice.Built-in rechargeable battery, power-off memory. No need to reset the program, convenient and practical.Specification:Voltage: 380V/50-60HzControl output: 16A (three-phase direct output)Setting time: 17ON/OFF (day/week)Setting time: 1 minute to 168 hoursRunning time error: 1s/24hPower failure memory: more than 180 days (built-in 1.2V rechargeable battery)Installation size: 120*120*52mm/4.7*4.7*2inInstallation method: screws, guide rail (35mm)Weight: about 467g/16.5ozPackage list:1 x Time Delay Relay programmable