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
| Parameter | Specification |
|---|---|
| モデル Number | NETA-21 (3AUA0000093675) |
| Input Voltage | 100-480V AC (phase-to-phase) |
| Frequency Range | 45-65 Hz |
| Current Input | 1A or 5A (configurable) |
| Power Consumption | <5 VA |
| Communication | RS-485 (Modbus RTU protocol) |
| Display | LCD with backlight |
| Measurement Accuracy | Voltage: ±0.5%, Current: ±1%, Power: ±1% |
| Dimensions (W x H x D) | 96 x 96 x 65 mm |
| 重量 | 0.5 kg |
| Operating Temperature | -10°C to +55°C |
| Protection Class | IP40 (front panel) |
| Certifications | CE, UL, IEC 61010 |
Applications
The ABB NETA-21 is suitable for a wide range / applications, including:
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Industrial Power Monitoring: Real-time analysis / electrical parameters in manufacturing plants.
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Energy Management Systems: Integration into SCADA and BMS for efficient energy usage tracking.
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Renewable Energy Systems: Monitoring solar/wind power inverters and grid connections.
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Commercial Buildings: Load pr/iling and power quality analysis in /fices and malls.
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Utility Substations: Voltage and current monitoring for grid stability.
Product Advantages
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High Accuracy: Precise measurements for voltage, current, power, and energy.
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Compact Design: Space-saving 96×96 mm panel-mounted form factor.
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Easy Integration: サポートs Modbus RTU for seamless connectivity with control systems.
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Robust Construction: Durable housing with IP40 protection for harsh environments.
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User-Friendly Interface: Clear LCD display with intuitive navigation.
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Wide Voltage Range: Compatible with 100-480V AC systems.
よくある質問 (FAQ)
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What communication protocols does the NETA-21 support?
The device supports Modbus RTU over RS-485. -
Can the NETA-21 measure harmonics?
No, it focuses on basic electrical parameters (voltage, current, power, energy). -
Is the NETA-21 suitable for DC systems?
No, it is designed for AC systems only. -
What is the typical response time for measurements?
Updates are provided every 1-2 seconds. -
Does it require external power?
No, it is self-powered from the measured voltage inputs. -
Can multiple NETA-21 台s be networked?
Yes, up to 32 devices can be connected via RS-485. -
What is the warranty period?
ABB provides a standard 1-year warranty. -
Is calibration required periodically?
Yes, recommended every 2-3 years for optimal accuracy. -
Can it be used in outdoor installations?
No, it is rated for indoor use (IP40). -
How do I configure the current transformer (CT) ratio?
Settings can be adjusted via the front panel or Modbus commands.
Recommended Related モデルs
Same Series / Related モデルs
| モデル Number | 説明 |
|---|---|
| NETA-23 (3AUA0000093676) | Advanced version with harmonics analysis |
| NETA-10 (3AUA0000093670) | Basic single-phase power meter |
| NETA-30 (3AUA0000093680) | Three-phase high-precision analyzer |
| NETA-41 (3AUA0000093682) | DIN-rail mounted energy meter |
| NETA-50 (3AUA0000093685) | Multi-function power quality analyzer |
| NETA-60 (3AUA0000093690) | Wireless-enabled smart meter |
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|---|---|
| CM-UFD.21 (1SVR550850R0000) | Current monitoring relay |
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| ACS880-01 (3AUA0000100001) | Industrial AC drive |
| Emax 2 (1SDC200100R0001) | Low-voltage circuit breaker |
| Tmax XT (1SCA022855R0001) | Molded case circuit breaker |
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