The Schneider ATV630C31N4 is a frequency converter or variable frequency drive (VFD) produced by Schneider Electric. The ATV630 series is designed to control the speed and torque of three-phase asynchronous motors in industrial applications. This particular model, the ATV630C31N4, is rated for a nominal motor power of 31 kilowatts (kW) and is typically used in commercial and industrial settings where moderate power is required.

Some key features of the ATV630C31N4 may include:

1. Voltage Rating: The input voltage range of this inverter is typically 380-480 volts AC, making it suitable for various three-phase power systems.

2. Control Modes: It supports various control modes, such as sensorless flux vector control, permanent magnet motor control, and voltage/frequency control.

3. Communication: The ATV630 series offers communication options such as Modbus, Ethernet/IP, CANopen, and DeviceNet, allowing for integration into various industrial control networks.

4. Protection and Safety: It includes built-in motor and drive protection features like overload protection, short circuit protection, phase loss protection, and thermal protection.

5. Programming and Control: The ATV630C31N4 comes with an integrated keypad and display for local control and programming. Additionally, it can be configured and monitored through software programs like SoMove or EcoStruxure Machine Expert.

6. Energy Efficiency: Schneider VFDs are designed to improve energy efficiency and reduce energy consumption by optimizing motor speed and reducing motor stress.