The Schneider ATV630D37N4 is a variable frequency drive (VFD) or frequency converter manufactured by Schneider Electric. 

Here are some key specifications of the Schneider ATV630D37N4:

- Model: ATV630D37N4

- Power Rating: 37 kW

- Input Voltage: 380-480V AC +/- 10%

- Output Voltage: 0 to Input Voltage

- Frequency Range: 0 to 599 Hz

- Control Type: Sensorless Vector Control (Voltage/Frequency)

- Communication Ports: Modbus, CANopen, Ethernet, etc.

- Protection Features: Overcurrent, Overvoltage, Undervoltage, Overtemperature, Short circuit, etc.

- Enclosure Type: IP21 (Internal) or IP54 (With optional kit)

The ATV630D37N4 is designed for controlling and regulating the speed of electric motors in various industrial applications. It offers advanced motor control capabilities and a wide range of features to optimize motor performance and energy efficiency. The drive can be configured and monitored using various control methods and communication interfaces.