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- General Naming Rules for ABB Frequency Converter Models
ABB low-voltage frequency converters adopt a unified coding system. Taking ACS550-01-290A-4 as an example:
| Code Segment | Значение | Optional Values/Description |
| ACSxxx | Product Series Identifier | ACS510/550/580 (Standard General-Purpose); ACS800/880 (Industrial High-End); ACQ580 (Pump-Specific), и т. д.. |
| -0х | Structure Type | 01=Wall-mounted; 02=Cabinet-type; 03E=Compact; 14=Regenerative Module; 34=Low Harmonic Module, и т. д.. |
| -xxxA | Rated Output Current | например, 290А (corresponding to 132-160kW), with different power ratings for light/heavy-duty applications |
| -х | Voltage Class | 2=208-240V; 4=380-480V (mainstream in China); 6=500-600V |
| +xxxx | Option Code | B055=Brake Unit; B056=Brake Resistor; C101=Communication Module, и т. д.. |
- Core Series Classification of ABB Frequency Converters
2.1 Standard General-Purpose Frequency Converters (First Choice for Basic Applications)
| Series | Positioning | Power Range | Core Features | Typical Model | Replacement Relationship |
| ACS150 | Economic Low-Power | 0.37-11кВт | Simple V/f control, suitable for light-load fans/pumps | ACS150-01E-02A4-2 (2.2кВт, Single-phase 220V) | Replaces the legacy ACS100 |
| ACS355 | OEM Machinery-Specific | 0.37-22кВт | Plug-and-play, built-in mechanical application macros | ACS355-03E-04A1-4 (1.5кВт, Three-phase 380V) | Replaces the ACS350 |
| ACS510 | Optimized for Fans & Pumps | 0.75-160кВт | Built-in PID, energy-saving control, suitable for variable torque | ACS510-01-09A4-4 (4кВт, 380V.) | Basic version of the ACS550 |
| ACS550 | Enhanced General-Purpose | 1.1-160кВт | Vector control, 150% overload for 1 minute, suitable for heavy loads | ACS550-01-290A-4 (132-160кВт) | Replaced by the ACS580 |
| ACS580 | Next-Generation Standard General-Purpose | 0.75-500кВт | Improved energy efficiency, richer communication options, compatible with the ACS550 | ACS580-01-290A-4 (132-160кВт) | Preferred upgrade for the ACS550 |
Upgrade Advantages of ACS550→ACS580: 2% higher efficiency, support for more communication protocols (Profinet/Modbus TCP), extended maintenance cycle, and over 90% accessory compatibility.
2.2 Industrial High-End Frequency Converters (Suitable for Complex Working Conditions)
| Series | Positioning | Power Range | Core Capabilities | Typical Model | Сценарии применения |
| ACS800 | Classic Industrial Drive | 0.75MW-2.8MW | Closed-loop vector control, four-quadrant operation, suitable for heavy-duty loads | ACS800-07-0160-7 (75кВт, Cabinet-type) | Mining, metallurgy, large compressors |
| ACS880 | All-Round Industrial Flagship | 0.75-5.6MW | Fully compatible platform, regeneration/low harmonic/common DC bus | ACS880-01-290A-4 (132-160кВт) | High-precision control, harsh environments, high-reliability requirements |
| ACS880 Modular Series | Custom Cabinet Solutions | Flexible Combination | 14=Regenerative; 34=Low Harmonic; 104=Common DC Bus | ACS880-34-290A-4 (Low Harmonic Version) | Occasions with strict grid quality requirements |
ACS880 vs ACS580: Both belong to the “ACSx80 Compatible Platform”. The ACS880 offers higher control accuracy (±0.01% synchronous speed) and stronger overload capacity (200% для 2 секунды), making it suitable for constant torque and servo-type applications.
2.3 Application-Specific Frequency Converters (Industry Customized)
| Series | Industry Focus | Основные функции | Power Range | Typical Model |
| ACQ580 | Water Treatment Industry | Pump unit control, leak detection, dry-run protection | 0.75-500кВт | ACQ580-01-045A-4 (18.5кВт, Pump-Specific) |
| ACH580 | HVAC (Heating, Ventilation, Air Conditioning) | Fan coil control, enthalpy control, energy-saving algorithms | 1.1-500кВт | ACH580-01-033A-4 (15кВт, Air Conditioning Fan) |
| ACSM1 | High-Performance Machinery | Servo-grade control, electronic gearing, cam positioning | 0.75-160кВт | ACSM1-04-07A5-4 (3кВт, High-Precision Machinery) |
| ACS580-04 | Crane-Specific | Anti-sway control, защита от перегрузки, synchronous operation | 7.5-500кВт | ACS580-04-290A-4 (Crane-Specific) |
2.4 Special Function Frequency Converters (For Special Requirements)
| Тип | Representative Series | Core Features | Сценарии применения |
| Regenerative Feedback Type | ACS880-14; ACS800-17 | Energy feedback to the grid, energy saving of over 30% | Elevators, centrifuges, mine hoists |
| Low Harmonic Type | ACS880-34; ACS800-37 | THD<5%, compliant with IEEE 519 | Medical equipment, прецизионные инструменты, data centers |
| Common DC Bus Type | ACS880-104 Module | Multi-motor coordination, energy sharing | Paper production lines, automotive painting lines |
| Explosion-Proof Type | ACS880-04-Ex | Compliant with ATEX standards | Hazardous environments such as chemical, petroleum, and coal mining industries |
- ACS550 Series Related Models and Replacement Solutions
3.1 Typical Models of the ACS550 Full Power Range (380-480V., Wall-mounted)
| Текущий рейтинг | Light-Duty Power | Heavy-Duty Power | Complete Model | Suitable Scenarios |
| 09А | 4кВт | 3кВт | ACS550-01-09A-4 | Small fans, насосы |
| 23А | 11кВт | 10кВт | ACS550-01-23A-4 | Conveyor belts, mixers |
| 59А | 30кВт | 22кВт | ACS550-01-59A-4 | Compressors, small crushers |
| 125А | 75кВт | 55кВт | ACS550-01-125A-4 | Medium-sized fans, water pumping stations |
| 290А | 160кВт | 132кВт | ACS550-01-290A-4 | Large compressors, mining machinery |
3.2 Recommended ACS550 Replacement Solutions
| Requirement Type | Recommended Model | Advantage Description |
| Direct Replacement (Same Specification) | ACS580-01-290A-4 | Fully compatible installation dimensions, parameters can be imported directly |
| Function Upgrade | ACS880-01-290A-4 | Higher control accuracy, stronger overload capacity |
| Pump-Specific | ACQ580-01-290A-4 | Built-in pump control algorithms, leak protection |
| Low Harmonic Requirement | ACS880-34-290A-4 | THD<5%, reduced grid interference |
| Regenerative Energy Saving | ACS880-14-290A-4 | Energy feedback, suitable for frequent start-stop operations |
- Model Selection Decision Reference
- Selection by Load Type
Fans/Pumps (Variable Torque): Prioritize the ACS510/ACS580/ACQ580, select based on light-duty power rating
Conveyor Belts/Mixers (Constant Torque): Choose the ACS550/ACS880, select based on heavy-duty power rating (derate by one power level)
High-Precision Positioning: ACS880 + encoder feedback, or ACSM1 servo-type
- Selection by Environmental Conditions
General Industrial Environment: IP21 standard type (ACS550-01-xxxA-4)
Dust/Humid Environment: Select IP54 protection kit (+K459)
High-Temperature Environment (40-50℃): Derate by 1% for every 1℃ increase, or choose the ACS880 high-temperature version
- Selection by Grid Quality
Unstable Grid: Model with built-in reactor (ACS550-01-xxxA-4+L501)
Harmonic-Sensitive Equipment: Low harmonic series (ACS880-34) or install input filter
ABB frequency converters cover the full power range from 0.37kW to 5.6MW, divided into a four-tier architecture: “Standard General-Purpose → Industrial High-End → Industry-Specific → Special Function”, meeting the needs of different application scenarios. For the user-concerned ACS550-01-290A-4 (132-160кВт), its direct upgrade replacement is the ACS580-01-290A-4. For higher performance requirements, the ACS880-01-290A-4 is available. For industry customization, dedicated series such as the ACQ580/ACH580 are suitable. Model selection should comprehensively consider load characteristics, environmental conditions, and grid quality to ensure optimal matching.
