[Stable performance] unmanned management, safe and reliable, is a good choice. [3-wire input] time relay adopts 3-wire input, which helps to solve the problem of inconvenient neutral wire wiring. [Easy to use] three-phase programmable time relay with built-in rechargeable battery and shutdown memory. No need to reset the program, convenient and practical. [High Precision] Any setting can be set at least one minute apart, up to 168 hours (equal to 1 week), and can be turned on and off temporarily manually. [Scope of application] The programmable time relay is widely used in three-phase 350V-420VAC motor and other equipment, such as water pumps, fish pond oxygenation, electric steamers, water heaters, billboards, neon lights, exhaust fans, etc.