ABB 6MBI450U-120/AGDR71C Inverter Driver Board

1. Product Overview

The ABB 6MBI450U-120/AGDR71C is a key control module for ABB industrial inverters, classified as an IGBT inverter driver board.
It is mainly used in ABB low-voltage inverters such as the ACS355 and ACS510 series, providing drive, protection, and signal management for IGBT modules.
Its high-reliability design allows fast switching control, overcurrent/overvoltage protection, and precise PWM signal output to ensure safe and stable operation of industrial motors and loads.

2. Technical Specifications

• Model: 6MBI450U-120/AGDR71C

• Type: Inverter Driver Board / IGBT Driver Board

• Applicable Devices: ABB ACS355, ACS510 series inverters

• Main Functions:

  • Drive IGBT modules

  • Generate PWM output signals

  • Overcurrent, overvoltage, and overtemperature protection

  • Status monitoring and fault signal output

• Operating Voltage: DC 15 – 24 V

• Control Interface: Analog input, digital input/output

• Operating Temperature: -20 ℃ to +60 ℃

• Relative Humidity: 5% – 95%, non-condensing

• Mounting Method: Modular plug-in on inverter mainboard

• Dimensions (approx.): 180 mm × 120 mm × 25 mm

• Weight (approx.): 0.35 kg

3. Key Advantages & Features

1. High Reliability: Industrial-grade design supports long-term high-frequency switching and high-temperature operation.

2. Precise Control: Provides high-precision PWM signals for efficient IGBT module operation.

3. Multiple Protection Features: Integrates overcurrent, overvoltage, and overtemperature protection for system safety.

4. Modular Design: Easy replacement and maintenance, reducing downtime.

5. Wide Compatibility: Suitable for ABB ACS355, ACS510 low-voltage inverter series.

6. Industrial Applications: Ideal for precision motor control, automation lines, and energy management systems.

4. Typical Applications

• Industrial motor drive systems

• Conveyors, pumps, fans, and other automation equipment

• Industrial production line motor speed control

• Electric vehicles and energy storage systems

• HVAC systems and energy management systems

5. Installation & Usage Notes

1. Verify the driver board model matches the inverter mainboard before installation to prevent damage.

2. Installation and wiring must be performed by qualified personnel.

3. Avoid contact with water, oil, corrosive gases, or dust.

4. Ensure good ventilation to prevent overheating.

5. Periodically check connectors and wiring to maintain stable and reliable operation.

The structure and details of the product：

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