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ACS355-03E-02A4-4 0.75kw

Key Specifications
✔ Power Rating: 0.75 kW (1 HP)
✔ Input Voltage: 3-phase 380–480V AC (±10%), 50/60 Hz
✔ Output Current: 2.1 A
✔ Overload Capacity: 150% for 3 seconds
✔ Control Method: Sensorless Vector Control (DTC option available)
✔ Switching Frequency: 2–16 kHz (adjustable)
✔ Efficiency: >97%

Main Features
1. Advanced Motor Control
Sensorless vector control for precise speed regulation (±0.5% accuracy)

Automatic Motor Adaptation (AMA) – optimizes performance without encoder feedback

Torque boost & flying start – ensures smooth operation under load

2. Application Flexibility
Pre-programmed macros (pump, fan, conveyor) for quick setup

Built-in PID controller for process control (pressure, flow, temperature)

Customizable logic via free function blocks

3. Protection & Safety
Motor thermal protection (PTC/KTY input)

Short-circuit, overvoltage, and ground fault protection

Safe Torque Off (STO) – SIL3/PL e safety compliance

4. Connectivity & Control
Standard RS485 (Modbus RTU)

2 analog inputs (0–10V/4–20mA), 4 digital inputs, 1 relay output

Optional fieldbus adapters (Profibus DP, DeviceNet, CANopen)

5. Compact & Robust Design
IP20 enclosure (dust protected)

Optional IP66/NEMA 4X kit for harsh environments

Built-in EMC filter (Class A compliance)

Physical & Environmental Specs
Dimensions: 70 × 170 × 145 mm (W×H×D)

Weight: 0.7 kg

Cooling: Convection cooling (fanless)

Ambient Temp: -10°C to +50°C (14°F to 122°F)

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TEL:400-887-3214
Mail:jilineasyyi@outlook.com
Q Q:615739355
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The ABB ACS355-03E-02A4-4 is a compact, high-performance 0.75 kW (1 HP) variable frequency drive (VFD) designed for precise motor control in industrial and commercial applications. Part of ABB’s ACS355 series, it features sensorless vector control for smooth and efficient operation in pumps, fans, conveyors, and other machinery.