Key Specifications:
Power Rating: 0.25 kW (0.33 HP)
Input Voltage: 3-phase 380-480V AC (±10%), 50/60 Hz
Output Current: 1.0 A
Overload Capacity: 150% for 3 seconds
Control Technology: Flux-optimized DTC (Direct Torque Control)
Switching Frequency: Up to 16 kHz (adjustable)
Main Features:
1. Advanced Motor Control:
Sensorless vector control with 0.5% speed accuracy
Automatic motor adaptation (AMA)
Torque control mode (±3% accuracy)
Flying start and DC braking
2. Application-Specific Functions:
5 pre-programmed application macros
Customizable application programs
Built-in PID controller with sleep/wake function
Pump and fan control curves
3. Enhanced Connectivity:
Standard RS485 (Modbus RTU)
Optional fieldbus adapters:
PROFIBUS DP-V1
DeviceNet
CANopen
USB service port for quick parameter transfer
Physical Characteristics:
Enclosure Rating: IP20 (open type)
Dimensions: 70 × 170 × 145 mm (W×H×D)
Weight: 0.65 kg
Cooling Method: Natural convection
Ambient Temperature Range: -10°C to +50°C (14°F to 122°F)
The ACS355-03E-04A1-4 is a compact, high-performance AC drive from ABB's Machinery Drive series, specifically designed for precise motor control in industrial automation applications. This 0.25kW (0.33HP) drive offers exceptional reliability in a space-saving package.