ABB ACS350-03E-03A3-4 Low Voltage AC Drive

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1. Product Description

The ABB ACS350-03E-03A3-4 Low Voltage AC Drive is a compact industrial drive designed for precise speed and torque control of small machinery and motors. It supports high-performance vector control, energy-saving functions, and multiple protection features, optimizing system efficiency and extending motor life. The ACS350 series is user-friendly with quick parameter setup and supports multiple communication interfaces, suitable for industrial automation and process control applications.

2. Technical Specifications

• Model: ACS350-03E-03A3-4

• Type: Low Voltage AC Drive

• Rated Voltage: 3-phase AC 380–480 V

• Rated Current: 3.3 A

• Output Power: 2.2 kW

• Control Method: Vector control / V/f control

• Frequency Range: 0–400 Hz

• Start/Stop Modes: Soft start / soft stop

• Protection Functions: Overcurrent, overvoltage, undervoltage, overtemperature, phase loss, short-circuit protection

• Communication Interfaces: Modbus RTU (RS485), optional Profibus / DeviceNet / Profinet

• Operating Temperature: -10 ℃ to +50 ℃ (without cooling fan)

• Mounting: Wall-mount or control cabinet

• Protection Class: IP20

• Dimensions: approx. 150 × 125 × 140 mm

• Standards Compliance: CE, UL

3. Advantages and Key Features

• High-performance vector control for precise motor speed and torque regulation in dynamic industrial applications.

• Compact design suitable for installation in small control cabinets or machinery.

• Multiple protection features including overcurrent, overvoltage, undervoltage, overtemperature, and phase loss.

• Easy installation and configuration with quick parameter setup and intuitive interface.

• Energy-efficient and reliable for optimized motor operation and system longevity.

• Flexible communication interfaces for seamless integration with PLCs and automation systems.

4. Typical Applications

• Small pumps, fans, and compressors

• Conveyor systems and machinery equipment

• Industrial automation and production line control

• HVAC and cooling systems

• Light processing machinery and packaging equipment

5. Precautions

• Disconnect power before installation or maintenance to ensure safety.

• Verify that the input power and motor ratings match the drive specifications.

• Avoid exposure to high humidity, dust, or corrosive environments.

• Ensure proper ventilation during installation to prevent overheating.

• Regularly inspect cables, heatsinks, and parameter settings to ensure long-term reliable operation.

The structure and details of the product：

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