Specifications
Input Power: 200–240 V AC, 1‑phase, 50/60 Hz
Output Power: 0.37 kW (0.5 hp) at 240 V
Output Current: 2.3 A
Enclosure Rating: IP21 (finger‑safe, drip‑protected)
Dimensions: 152 × 70 × 142 mm (H × W × D)
Weight: ≈1.5 kg
Cooling: Natural convection (fanless)
Ambient Temperature: 0 °C to +50 °C (derating above +40 °C)
Key Features
Built‑in Modbus RTU via RS‑485 port
Essential I/O:
2 digital inputs (24 V DC)
1 analog input (0–10 V / 0–20 mA selectable)
1 relay output (250 V AC, 2 A)
1 analog output (0–20 mA)
Integrated Control Panel: Includes potentiometer for speed setting
Pre‑programmed Macros: Quick setup for common applications (pump, fan, conveyor, etc.)
Motor Protection: Overload, short‑circuit, earth‑fault, and overtemperature protection
EMC Compliance: Built‑in RFI filter meets Category C3 standards
Typical Applications
Small fans and ventilation units
Low‑power pumps and circulators
Light‑duty conveyors
Packaging and labeling machines
The ABB ACS320-03E-03A3-4 is a compact, cost-effective variable frequency drive designed for small motor control applications. It features a single-phase input configuration and is engineered for basic automation tasks.