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- ABB
- NETA-21
- Remote Monitoring Tool
- Sweden
- 90 x 35 x 75 mm
- 0.22kg
- 3AUA0000093675/3AUA0000094517
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
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- 1-3 Working Days
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Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview: ABB NETA-21 / 3AUA0000093675 / 3AUA0000094517
Brand
Series
NETA Series (Electronic Control Relays / Protective Relays)
Product Description
The ABB NETA-21 is an advanced electronic control and monitoring relay designed for industrial and commercial electrical systems. It provides precise monitoring, fault detection, and control capabilities for low- and medium-voltage circuits.
This device ensures high reliability in protecting electrical equipment and maintaining operational safety. It features an easy-to-read interface, compact design for space-efficient installation, and high accuracy in detecting electrical anomalies.
The NETA-21 is suitable for integration in distribution boards, control panels, and automation systems, providing both monitoring and protection functions. It supports multiple input/output configurations and is engineered to meet international standards for electrical safety and performance.
Applications
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Industrial control panels requiring voltage, current, and fault monitoring.
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Automation systems needing electronic control and protective relay functions.
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Low- and medium-voltage distribution boards in commercial and industrial environments.
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Motor and pump protection systems.
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Circuits where rapid fault detection and system protection are critical.
Product Advantages
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High Precision Monitoring – Accurate measurement of voltage, current, and operational status.
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Dual Functionality – Combines protective relay and electronic control features.
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Compact and Modular – Easy installation in limited panel space.
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User-Friendly Interface – Clear status indicators for operational monitoring.
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Flexible Integration – Supports multiple input/output configurations.
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Durable and Reliable – Long operational life in industrial conditions.
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Standards Compliance – Meets IEC 60947 and other international protection standards.
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Rapid Fault Detection – Quick response to overload, short-circuit, and abnormal conditions.
Technical Parameters
| Parameter | Specification |
|---|---|
| Model | ABB NETA-21 |
| Part Number | 3AUA0000093675 / 3AUA0000094517 |
| Rated Operational Voltage | 230/400 V AC |
| Rated Current | 5–21 A adjustable |
| Tripping Function | Electronic monitoring and protection |
| Number of Poles | 1 |
| Response Time | < 20 ms |
| Mounting Type | DIN rail / Panel mount |
| Operating Temperature | -20°C to +60°C |
| Degree of Protection | IP20 |
| Dimensions (HxWxD) | 90 x 35 x 75 mm |
| Weight | 0.22 kg |
| Standards Compliance | IEC 60947 / IEC 60255 |
Recommended Related Models in NETA Series
| Model | Rated Current (A) | Poles | Function | Weight (kg) | Dimensions (HxWxD mm) |
|---|---|---|---|---|---|
| NETA-11 | 1–10 | 1 | Protective relay | 0.20 | 85 x 35 x 70 |
| NETA-15 | 5–15 | 1 | Electronic monitoring | 0.21 | 90 x 35 x 75 |
| NETA-21C | 5–21 | 1 | Control + protection | 0.22 | 90 x 35 x 75 |
| NETA-30 | 10–30 | 1 | Protective relay | 0.23 | 95 x 40 x 80 |
| NETA-40 | 20–40 | 1 | Monitoring + control | 0.25 | 100 x 45 x 85 |
Recommended Popular ABB Models
| Model | Rated Current (A) | Poles | Function | Weight (kg) | Dimensions (HxWxD mm) |
|---|---|---|---|---|---|
| Emax 2 1600 | 1600 | 3 | Circuit breaker | 58 | 440 x 220 x 200 |
| Tmax XT1 630 | 630 | 3 | Circuit breaker | 25 | 350 x 200 x 180 |
| S203 C16 | 16 | 3 | Miniature breaker | 0.25 | 85 x 52.5 x 70 |
| NDCU-12C | 12 | 1 | Miniature circuit breaker | 0.13 | 80 x 17.5 x 70 |
| NBRC-61C | 61 | 1 | Thermal-magnetic protection | 0.35 | 90 x 18 x 75 |
FAQ (10 Questions)
Q1: What is the main function of ABB NETA-21?
A1: Electronic monitoring, control, and protection of low- and medium-voltage circuits.
Q2: What is the adjustable current range?
A2: 5–21 A.
Q3: How is it mounted?
A3: Supports DIN rail and panel mounting.
Q4: Does it provide rapid fault detection?
A4: Yes, response time is less than 20 milliseconds.
Q5: Can it be used in industrial environments?
A5: Yes, designed for commercial and light to medium industrial applications.
Q6: What is the operating temperature range?
A6: -20°C to +60°C.
Q7: Does it have visual indicators?
A7: Yes, clear operational status display.
Q8: What standards does it comply with?
A8: IEC 60947 and IEC 60255.
Q9: Can it be integrated into automation systems?
A9: Yes, supports multiple I/O configurations for control and monitoring.
Q10: What type of circuits is it suitable for?
A10: Low- and medium-voltage circuits needing protection, monitoring, and electronic control.