The ATV630D45N4 is a model of Schneider Electric's ATV630 series of Variable Frequency Drives (VFDs) or inverters. These inverters are designed to control the speed and torque of three-phase AC induction motors. 

Here are some key specifications of the ATV630D45N4:

- Power Rating: 45 kW (60 HP)

- Input Voltage: 380-480V AC

- Output Voltage: 0-480V AC

- Maximum Output Frequency: 599 Hz

- Control Method: Sensorless Flux Vector Control (SVC) or V/f Control

- Communication Protocols: Modbus, CANopen, Ethernet/IP, and other industrial communication networks

- Built-in I/O: Analog inputs and outputs, digital inputs and outputs, relay outputs

- Integrated Safety Features: Safe Torque Off (STO) function for safe motor shutdown

The ATV630D45N4 is suitable for a wide range of applications, including pumps, fans, compressors, conveyors, and more. It offers advanced motor control functionalities, energy-saving features, and can be integrated into automation systems using its communication interfaces.