ABB ACS550-01-05A4-4 Inverter Drive – 1.5kW/2.2kW, IP21
The ABB ACS550-01-05A4-4 inverter drive is a compact and cost-effective solution for controlling motors up to 2.2 kW, making it ideal for HVAC, pump, and small automation systems requiring flexible performance and consistent speed regulation.
Designed with VxF and sensorless vector control, integrated RS-485 Modbus communication, and a space-saving R1 frame, this ABB drive is built for reliable, everyday operation.
Technical Specifications
Model: ACS550-01-05A4-4
Series: ACS550
Type: Variable Frequency Drive (VFD)
Power Output: 1.5 kW (2 HP) at High Overload / 2.2 kW (3 HP) Fan & Pump Duty
Enclosure: IP21
Mounting: Cubicle Mount
Application: Small pumps, fans, light conveyors, and compact automation equipment
Electrical Specifications
- Input Voltage: 380–480 V AC (±10%)
- Phase: 3-phase
- Frequency Range: 50–60 Hz (±5%)
- Output Frequency: 0–500 Hz
- Output Current (HO / ND): 4.1 A (High Overload) / 5.4 A (Normal Duty)
- Overload Capacity: 150% for 60 s (HO) / 110% for 60 s (ND)
- Control Type: VxF and Sensorless Vector Control
- Brake Chopper: External resistor required (120–320 Ω)
- Heat Dissipation: Max 73 W
I/O and Communication
- Digital Inputs: 6 programmable
- Analog Inputs: 2
- Analog Outputs: 2
- Relay Outputs: 3 contact sets
- Keypad: Assistant Control Panel (included)
- RS-485 / Modbus RTU: Built-in
Mechanical and Environmental
- Mounting Type: Cubicle-mounted
- Frame Size: R1
- Weight: 6.5 kg
- Dimensions: 369 × 125 × 212 mm (H × W × D, incl. gland kit)
- Cooling: Internal fan (ventilation: 200 mm above/below, 0 mm sides)
- Mounting Holes: 4 × 5.5 mm slotted holes (98 mm × 318 mm centres)
- Operating Temp: Up to +40 °C ambient
Compliance and Certifications
- CE Certified
- UL / cUL Listed
- EMC Compliance: IEC EN61800-3:2004 (C3/C2)
- RoHS Compliant
- Manufacturing Standards: ISO 9001, ISO 14001
Replacement Information
The ABB ACS550 series was replaced by the ABB ACS580 range in January 2018
Direct replacements available for enhanced features and improved energy efficiency
Key Benefits of the ABB ACS550-01-05A4-4
✅ Compact Motor Control: Supports motors up to 2.2 kW in small-scale applications.
✅ Built-In Modbus: Easy integration without external communication hardware.
✅ Low Power Loss: Only 73 W heat output for efficient thermal management.
✅ Slim Profile: Ideal for tight cabinet and panel installations.
✅ ABB Quality Assurance: Industrial-grade reliability in a compact drive.
📦 In Stock Now at Drive Outlet Megastore
At Drive Outlet Megastore, we offer unbeatable prices on the ABB ACS550-01-05A4-4 inverter drive.
This entry-level ABB VFD is the perfect blend of affordability, performance, and flexibility—ideal for compact automation projects and everyday use.
Request a quote or contact us today
Trusted ABB Drives. Fast Delivery. Lowest UK Prices – Only at Drive Outlet Megastore.
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