Description
ABB ACS550-01-031A-4
Technical Specifications:
- Rated Current: 31A.
- Motor Power Rating: 15 kW (at 400V).
- Input Voltage: Three-phase 380-480V AC.
- IP Rating: IP21 (standard).
Functional Features:
- Pump and Fan Macros: Pre-configured parameter sets for rapid commissioning.
- PID Controller: Built-in closed-loop control for pressure, temperature, or flow.
- Energy Savings Calculator: Real-time display of energy saved compared to direct-on-line operation.
- Flux Optimization: Reduces motor losses at partial loads.
Application Scenarios:
- Centrifugal pumps, cooling towers, and boiler fans.
- Air compressors and ventilation systems.
- Irrigation and water treatment plants.
Performance Parameters:
- Overload: 110% for 60 seconds every 5 minutes.
- Ambient Temperature: Rated for 40°C without derating.
Material Composition & Structural Characteristics:
- Coated Boards: Standard conformal coating protects against dust, moisture, and corrosive gases.
- Removable Keypad: Allows for easy parameter cloning between drives.
Working Principle:
Utilizes advanced sensorless vector control and V/f profiles optimized for centrifugal loads. The integrated PID controller compares a process feedback signal to a setpoint and automatically adjusts the motor speed to maintain the desired process variable.
Installation Requirements:
- Environment: Install in clean, dry environments; use IP54 kits for harsh conditions.
- Bypass: Consider installing a mechanical bypass for critical pump/fan applications.
Usage Precautions:
- Motor Insulation: Verify motor insulation is suitable for inverter duty to prevent premature failure.
- Harmonics: Install line reactors or harmonic filters if connected to a weak power grid.




