ABB NETA-21 3AUA0000093675 Remote monitoring tools

ABB NETA-21 (3AUA0000093675) Product Overview

The ABB NETA-21 is a versatile and reliable network analyzer designed for monitoring and analyzing electrical parameters in power distribution systems. It is widely used in industrial, commercial, and utility applications to ensure efficient energy management and system protection.

Product Parameters

Applications

The ABB NETA-21 is suitable for a wide range of applications, including:

• Industrial Power Monitoring: Real-time analysis of electrical parameters in manufacturing plants.

• Energy Management Systems: Integration into SCADA and BMS for efficient energy usage tracking.

• Renewable Energy Systems: Monitoring solar/wind power inverters and grid connections.

• Commercial Buildings: Load profiling and power quality analysis in offices and malls.

• Utility Substations: Voltage and current monitoring for grid stability.

Product Advantages

1. High Accuracy: Precise measurements for voltage, current, power, and energy.

2. Compact Design: Space-saving 96×96 mm panel-mounted form factor.

3. Easy Integration: Supports Modbus RTU for seamless connectivity with control systems.

4. Robust Construction: Durable housing with IP40 protection for harsh environments.

5. User-Friendly Interface: Clear LCD display with intuitive navigation.

6. Wide Voltage Range: Compatible with 100-480V AC systems.

Frequently Asked Questions (FAQ)

1. What communication protocols does the NETA-21 support?
   The device supports Modbus RTU over RS-485.

2. Can the NETA-21 measure harmonics?
   No, it focuses on basic electrical parameters (voltage, current, power, energy).

3. Is the NETA-21 suitable for DC systems?
   No, it is designed for AC systems only.

4. What is the typical response time for measurements?
   Updates are provided every 1-2 seconds.

5. Does it require external power?
   No, it is self-powered from the measured voltage inputs.

6. Can multiple NETA-21 units be networked?
   Yes, up to 32 devices can be connected via RS-485.

7. What is the warranty period?
   ABB provides a standard 1-year warranty.

8. Is calibration required periodically?
   Yes, recommended every 2-3 years for optimal accuracy.

9. Can it be used in outdoor installations?
   No, it is rated for indoor use (IP40).

10. How do I configure the current transformer (CT) ratio?
    Settings can be adjusted via the front panel or Modbus commands.

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