Characteristics: High-performance timer switch, three-wire input and three-wire output, helping to solve the problem that some customers are unable to wire neutral. Maximum power reaches 4 kW, avoiding problems with connecting the contactor Just set the on/off time, a total of 17 on/off settings, Monday to Sunday, each setting can be set at least one minute apart, and the maximum time is 168 hours (equivalent to 1 week), which can be turned on and off manually temporarily. As long as it is set once, it can be constantly cyclical It is widely used in 350v-420vAC three-phase motor and other equipment such as water pump, fish pond oxygenation, rice evaporation machine, water heater, billboard, neon lamp, exhaust fan and so on. It can achieve unmanned management, safe and reliable, stable performance, it is a very good choice. Built-in battery, memory shutdown. No need to reset the program, convenient and practical. Specification: 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 (1,2V battery built-in) Installation Size: 120*120*52mm/4.7*4.7*2in Mounting method: screw, guide (35mm) Weight: about 467g/16,5 oz List of packages: 1 x Programmable Time Relay Please be aware: Please be aware: