Overview
The ABB ACS550-01-05A4-4 is a general-purpose frequency converter designed for reliable AC motor control in industrial automation, HVAC, pump, fan, and process applications. It provides smooth speed regulation, energy efficiency, and comprehensive motor protection for various operating conditions.
The ACS550 series offers flexible configuration, simple commissioning, and stable performance for industrial drive systems.
General Information
Part Number: ACS550-01-05A4-4 3AUA0000003387-D
Manufacturer: ABB
Brand / Country of Origin: ABB / Finland
Series: ACS550 General Purpose Drive
Type: Frequency Converter / Variable Frequency Drive (VFD)
Application: Motor speed control, industrial machinery, pumps, fans, and conveyor systems
Installation: Wall-mounted installation
Control Technology: Sensorless vector control and scalar motor control
Power Specifications
Input Voltage: 380–480 V AC, three-phase
Rated Power: Approx. 2.2 kW
Rated Current: 5.4 A
Input Frequency: 50/60 Hz
Output Frequency: 0–500 Hz adjustable
Motor Control: Supports induction motor speed and torque regulation
Protection Functions: Overcurrent, overload, overvoltage, undervoltage, and motor protection
Communication & Interface
Control Interface: Digital and analog control terminals
Communication Support: Optional fieldbus communication modules
Input Signals: Configurable digital inputs and analog inputs
Output Signals: Relay outputs and analog monitoring outputs
Operator Interface: Control panel for parameter setting and diagnostics
Diagnostics: Fault monitoring, alarm display, and status feedback
Environmental
Operating Temperature: −15 to +50 °C
Storage Temperature: −40 to +70 °C
Humidity: Up to 95% RH, non-condensing
Protection Rating: IP21 standard enclosure
Installation Environment: Suitable for industrial cabinet environments
Cooling Method: Air-cooled fan system
Dimensions & Weight
Dimensions (L × W × H): 465 × 225 × 365 mm
Weight: 6.17 kg
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