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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 | Meaning | Optional Values/Description |
| ACSxxx | Product Series Identifier | ACS510/550/580 (Standard General-Purpose); ACS800/880 (Industrial High-End); ACQ580 (Pump-Specific), ฯลฯ. |
| -0x | Structure Type | 01=Wall-mounted; 02=Cabinet-type; 03E=Compact; 14=Regenerative Module; 34=Low Harmonic Module, ฯลฯ. |
| -xxxA | Rated Output Current | เช่น, 290ก (corresponding to 132-160kW), with different power ratings for light/heavy-duty applications |
| -x | 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, ฯลฯ. |
- 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 | 0.37-11กิโลวัตต์ | Simple V/f control, suitable for light-load fans/pumps | ACS150-01E-02A4-2 (2.2กิโลวัตต์, Single-phase 220V) | Replaces the legacy ACS100 |
| ACS355 | OEM Machinery-Specific | 0.37-22กิโลวัตต์ | Plug-and-play, built-in mechanical application macros | ACS355-03E-04A1-4 (1.5กิโลวัตต์, Three-phase 380V) | Replaces the ACS350 |
| ACS510 | Optimized for Fans & Pumps | 0.75-160กิโลวัตต์ | Built-in PID, energy-saving control, suitable for variable torque | ACS510-01-09A4-4 (4กิโลวัตต์, 380วี) | Basic version of the ACS550 |
| ACS550 | Enhanced General-Purpose | 1.1-160กิโลวัตต์ | Vector control, 150% โอเวอร์โหลดสำหรับ 1 minute, suitable for heavy loads | ACS550-01-290A-4 (132-160กิโลวัตต์) | Replaced by the ACS580 |
| ACS580 | Next-Generation Standard General-Purpose | 0.75-500กิโลวัตต์ | Improved energy efficiency, richer communication options, compatible with the ACS550 | ACS580-01-290A-4 (132-160กิโลวัตต์) | 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 | สถานการณ์การใช้งาน |
| ACS800 | Classic Industrial Drive | 0.75MW-2.8MW | Closed-loop vector control, four-quadrant operation, suitable for heavy-duty loads | ACS800-07-0160-7 (75กิโลวัตต์, Cabinet-type) | Mining, โลหะวิทยา, large compressors |
| ACS880 | All-Round Industrial Flagship | 0.75-5.6MW | Fully compatible platform, regeneration/low harmonic/common DC bus | ACS880-01-290A-4 (132-160กิโลวัตต์) | 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% for 2 วินาที), making it suitable for constant torque and servo-type applications.
2.3 Application-Specific Frequency Converters (Industry Customized)
| Series | Industry Focus | Core Functions | Power Range | Typical Model |
| ACQ580 | Water Treatment Industry | Pump unit control, leak detection, dry-run protection | 0.75-500กิโลวัตต์ | ACQ580-01-045A-4 (18.5กิโลวัตต์, Pump-Specific) |
| ACH580 | HVAC (Heating, Ventilation, Air Conditioning) | Fan coil control, enthalpy control, energy-saving algorithms | 1.1-500กิโลวัตต์ | ACH580-01-033A-4 (15กิโลวัตต์, Air Conditioning Fan) |
| ACSM1 | High-Performance Machinery | Servo-grade control, electronic gearing, cam positioning | 0.75-160กิโลวัตต์ | ACSM1-04-07A5-4 (3กิโลวัตต์, High-Precision Machinery) |
| ACS580-04 | Crane-Specific | Anti-sway control, overload protection, synchronous operation | 7.5-500กิโลวัตต์ | ACS580-04-290A-4 (Crane-Specific) |
2.4 Special Function Frequency Converters (For Special Requirements)
| พิมพ์ | Representative Series | Core Features | สถานการณ์การใช้งาน |
| 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, precision instruments, 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 (380-480วี, Wall-mounted)
| Current Rating | Light-Duty Power | Heavy-Duty Power | Complete Model | Suitable Scenarios |
| 09ก | 4กิโลวัตต์ | 3กิโลวัตต์ | ACS550-01-09A-4 | Small fans, ปั๊ม |
| 23ก | 11กิโลวัตต์ | 10กิโลวัตต์ | ACS550-01-23A-4 | Conveyor belts, mixers |
| 59ก | 30กิโลวัตต์ | 22กิโลวัตต์ | ACS550-01-59A-4 | Compressors, small crushers |
| 125ก | 75กิโลวัตต์ | 55กิโลวัตต์ | ACS550-01-125A-4 | Medium-sized fans, water pumping stations |
| 290ก | 160กิโลวัตต์ | 132กิโลวัตต์ | 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 (132-160กิโลวัตต์), 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.
