The Schneider ATV630C11N4 is a frequency converter, also known as a variable frequency drive (VFD) or an inverter. It is part of Schneider Electric's ATV600 series of variable speed drives.

The ATV630C11N4 is designed to control the speed and torque of three-phase asynchronous motors in various industrial applications. It allows precise control of motor speed by adjusting the frequency and voltage supplied to the motor. This flexibility offers energy savings, improved process control, and extended motor life.

The "C" in the model number indicates that it is a compact drive, while "11" represents the power rating of the drive. The "N" indicates that the drive has a built-in graphic keypad, and the "4" signifies that it is suitable for use in region 4 (International Electrotechnical Commission (IEC) standard).

Some of the key features and capabilities of the ATV630C11N4 include:

1. Power rating: The drive has a power rating of 11 kW, making it suitable for applications that require moderate power output.

2. Voltage range: It operates with a voltage range of 380–480 volts AC.

3. Control methods: The drive supports various control methods, including scalar control, vector control (with or without sensor), and advanced motor control algorithms.

4. Communication interfaces: It is equipped with various communication interfaces such as Ethernet, Modbus, and CANopen, enabling integration into industrial automation systems.

5. Built-in keypad: The drive features a built-in graphic keypad, providing local control and programming options.

6. Motor protection: The ATV630C11N4 includes built-in motor protection features such as thermal overload protection, short circuit protection, and under/overvoltage protection.

7. Energy efficiency: The drive is designed to improve energy efficiency through its advanced control algorithms, allowing users to optimize energy consumption based on application requirements.