ABB ACS880-104-0640A-3

Here is the professional English introduction for the **ABB ACS880-104-0640A+3** frequency converter, presented in a structured format:
### **1. Product Overview**  
- **Full Model No.**: ACS880-104-0640A+3  
- **Product Type**: ABB ACS880 Series **Multi-Drive Module**  
- **Voltage Class**: 400V/690V (configurable)  
- **Rated Current**: 640A  
- **Power Range**:  
  - 400V: 355-450kW  
  - 690V: 500-630kW  
### **2. Key Specifications**  
| **Parameter**         | **Specification**          |
|-----------------------|---------------------------|
| Protection Rating     | IP21 (cabinet)/IP42 (optional) |
| Control Accuracy      | Speed control ±0.1%        |
| Communication        | PROFIBUS DP, PROFINET, Modbus TCP |
| Cooling Method       | Liquid-cooled (standard)/Forced air (optional) |
| Certifications       | CE, UL, cULus, DNV-GL      |
### **3. Core Features**  
- **Direct Torque Control (DTC)**  
  - Torque response time <5ms, four-quadrant operation  
- **Multi-Drive Coordination**  
  - Up to 6 drives share DC bus (30% energy regeneration)  
- **Smart Diagnostics**  
  - Real-time IGBT/capacitor monitoring  
- **IIoT Ready**  
  - ABB Ability™ remote monitoring support  
### **4. Typical Applications**  
- **Heavy Industry**  
  - Rolling mills, mining crushers  
- **Marine Propulsion**  
  - Main drives (IP56 option required)  
- **Energy Sector**  
  - Large pumps/fans speed control  
### **5. Competitive Advantages**  
- **High Reliability**  
  - >100,000 hours design life (MTBF)  
- **Flexible Configuration**  
  - Optional braking units/harmonic filters  
- **Global Support**  
  - 72-hour emergency spare parts  
### **6. Selection Notes**  
- Match motor insulation class (recommended Class F+)  
- Altitude >1000m requires derating (1% per 100m)  
- Ambient temperature: 0-40°C (50°C with forced cooling)  
### **7. Series Comparison**  
| Model               | ACS880-104-0640A+3 | ACS880-104-0480A+3 |  
|---------------------|--------------------|--------------------|  
| Rated Current       | 640A               | 480A               |  
| Max Power (690V)    | 630kW              | 500kW              |  
| Typical Application | Heavy rolling mills | Medium conveyors   |  

This model is specifically designed for high-power, high-dynamic industrial applications. 
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