Basic Information
Product Model: ATV630D55N4, where “ATV630” indicates the series, “D55” indicates that the adapted motor power is 55kW, and “N4” indicates the three-phase 380-480V voltage level.
Product Type: It is an AC inverter, used to control the speed and torque of three-phase asynchronous motors and synchronous motors.

Technical Parameters
Electrical Characteristics
Rated Power: 55kW (75HP), 45kW (60HP) under heavy load.
Voltage Range: 380-480V (three-phase), allowing a voltage fluctuation range of -15% to +10%.
Frequency: The power supply frequency is 50/60Hz, and the output frequency range is 0.1-500Hz.
Current: The rated line current varies under different voltage and load conditions. For example, it is 97.2A at 380V under normal load and 84.2A at 480V under normal load.

Structural Design
Protection Class: IP21 (wall-mounted installation), which can prevent the intrusion of objects larger than 12.5mm, such as fingers.
Overall Dimensions: 922mm × 290mm × 323mm (height × width × depth), with a weight of approximately 56.5kg.

Control Characteristics
Control Mode: Supports manual adjustment and can also realize remote control through communication protocols.
Communication Protocols: Standard configuration supports Modbus protocol, and can support multiple communication protocols such as Ethernet/IP, Profibus DP, Profinet, etc. through expansion modules.

Functional Features
High-performance Speed Regulation: Supports wide voltage input, adapts to grid fluctuation environment, can operate stably within the voltage fluctuation range of -15% to +10%, and has built-in electronic overload protection to prevent motor overheating damage.
Integrated Design: Built-in C3 level EMC filter to reduce electromagnetic interference, meet industrial environment requirements, and compact wall-mounted structure saves control cabinet space.
Safety and Reliability: Equipped with Safe Torque Off (STO) function, certified to SIL 3 standards, which can prevent unexpected motor startup and protect personnel and equipment safety, and can withstand expected line short-circuit current up to 50kA.
Flexible Expansion: Provides multiple card slots, which can be inserted with communication modules, I/O expansion modules, relay output expansion modules, etc. to meet the needs of different application scenarios.

Application Scenarios
Industrial Field: Widely used in speed regulation control of water pumps and fans, as well as multi-axis synchronous control of production line conveyors and robotic arms, etc.
Heavy Industry Scenarios: Such as manufacturing, water treatment, mining, etc., which can optimize motor operation, improve production efficiency and reduce energy consumption.