ABB NBRA-658C

发布时间：2025-06-25 新闻来源地：Industrial

Here is the professional English introduction to the **ABB NBRA-658C** relay module:

### **1. Product Overview**  
The ABB NBRA-658C is a **digital protection relay** from ABB's Relion® **650 Series**, specifically designed for medium and low-voltage power distribution systems to provide precise electrical protection and monitoring functions.  

### **2. Key Specifications**  
| **Feature**            | **Specification**                                                                 |
|------------------------|----------------------------------------------------------------------------------|
| **Rated Voltage**      | 24-250V AC/DC (wide-range power input)                                           |
| **Rated Current**      | 1A / 5A (configurable for CT secondary side)                                     |
| **Protection Functions** | Overcurrent, ground fault, short-circuit, over/under voltage, frequency protection, etc. |
| **Communication Interfaces** | - RS485 Modbus RTU<br>- IEC 61850 (optional)<br>- Ethernet (requires expansion module) |
| **Environmental Resistance** | Operating temperature: -25°C ~ +70°C<br>Protection class: IP20 (panel-mounted)  |
| **Mechanical Life**    | >100,000 operations                                                              |

### **3. Core Features**  
- **All-in-One Protection**  
  Integrates 10+ protection functions with customizable logic programming (via PCM600 software).  

- **High-Precision Measurement**  
  - Real-time monitoring of current, voltage, power, energy, etc.  
  - Accuracy class: 0.5 (measurement) / 5% (protection)  

- **Smart Communication**  
  Supports IEC 61850 for SCADA system integration, enabling remote monitoring and fault recording.  

- **User-Friendly Design**  
  - 5.7-inch color LCD display (supports Chinese/English)  
  - Front-panel key operation + password protection  

### **4. Typical Applications**  
- **Industrial Power Distribution**  
  Main incoming & bus-tie protection in factories  

- **Renewable Energy**  
  Grid protection for PV plants & wind farms  

- **Critical Infrastructure**  
  Backup power protection for hospitals/data centers  

- **Mining & Marine**  
  Electrical system protection in high-vibration environments  

### **5. Installation & Configuration**  
- **Mounting**  
  Standard 35mm DIN rail mounting (depth: 145mm only)  

- **Configuration Tool**  
  ABB PCM600 software (for parameter setting & fault analysis)  

### **6. Certifications & Standards**  
- **International Standards**  
  IEC 60255, UL 508, CE, CCC  

- **Industry Certifications**  
  DNV GL (marine), ATEX (optional for explosive environments)  

### **7. Selection Notes**  
- Must be used with ABB SPAJ series CTs/PTs  
- EMC filter recommended for high-interference environments (model: NBRA-658C/EMC)  
- Can be combined with ABB REF615 for complete protection schemes  

**If you need this product, feel free to contact us!**