ABB 3HAC043904-001 Measurement Unit

1. Product Overview

The ABB 3HAC043904-001 is an industrial measurement unit designed for real-time measurement and signal acquisition of voltage, current, power, and other key parameters in industrial automation systems.
This measurement unit is typically integrated with ABB inverters, servo drives, or motor control systems, providing precise analog or digital outputs for control, monitoring, and data logging.

2. Technical Specifications

• Model: 3HAC043904-001

• Type: Measurement Unit

• Applicable Devices: ABB low-voltage inverters, servo drives, and industrial control systems

• Measured Parameters: Three-phase voltage, current, power, frequency

• Measurement Accuracy: ±0.5% (depending on device and signal conditions)

• Signal Output: Analog 0–10 V / 4–20 mA, optional digital output

• Operating Voltage: 24 V DC (logic supply)

• Communication Interface: Optional Modbus, CANopen (depending on system configuration)

• Operating Temperature: -20 ℃ to +60 ℃

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

• Mounting: Modular plug-in with main control board

• Protection Class: IP20

• Dimensions (approx.): 150 mm × 80 mm × 30 mm

• Weight (approx.): 0.25 kg

3. Key Advantages & Features

1. High Accuracy Measurement: Precise voltage, current, and power acquisition ensures control system accuracy.

2. Real-Time Signal Output: Provides analog and digital outputs for direct interfacing with PLCs, inverters, and monitoring systems.

3. High Reliability: Industrial-grade components suitable for continuous operation in complex environments.

4. Modular Design: Easy maintenance, replacement, and system upgrades.

5. Multi-Protocol Compatible: Supports Modbus or CANopen communication with PLCs or SCADA systems.

6. Flexible Application: Suitable for motor drive systems, servo systems, and industrial automation control applications.

4. Typical Applications

• Industrial automation control systems

• Motor drive monitoring with inverters

• Servo drive system signal acquisition

• Power and energy management systems

• Factory production line control and data acquisition

• HVAC systems and building automation

5. Installation & Usage Notes

1. Verify that the measurement unit’s voltage and output signals match the control system before installation.

2. Installation and wiring should be performed by qualified electrical engineers.

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

4. Ensure good ventilation to prevent overheating of components.

5. Periodically check modules and interfaces to ensure stable and reliable measurement signals.

The structure and details of the product：

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