Specifications
Input Supply: 200–240 V AC (±10%), 1-phase, 50/60 Hz
Output Power: 1.5 kW (2 hp) at 240 V
Output Current: 7.0 A continuous
Overload Capacity: 110% for 60 s every 300 s
Output Frequency Range: 0–500 Hz
Switching Frequency: 2–16 kHz (adjustable)
4. Physical & Environmental Data
Enclosure Rating: IP21 (indoor use, protected against dripping water)
Dimensions: 184 × 70 × 155 mm (H × W × D)
Weight: ≈ 1.8 kg
Cooling: Natural convection (fanless)
Ambient Temperature: –10 °C to +50 °C (derating above +40 °C)
Relative Humidity: < 95% non-condensing
Mounting: Wall or DIN-rail (optional kit)
5. Control & I/O Features
Built-in Communication: Modbus RTU via RS‑485
Digital Inputs: 2 (24 V DC, sink/source selectable)
Analog Input: 1 (0–10 V / 0–20 mA configurable)
Relay Output: 1 (250 V AC, 2 A)
Analog Output: 1 (0–20 mA)
Integrated Operator Panel: Potentiometer + Start/Stop/Reset buttons
Pre-set Macros: Pump, Fan, Conveyor, Hoist, etc.
PID Controller: Built-in for simple closed-loop control
6. Motor & Drive Protection
Motor Protection: Overload (I²t), stall, phase loss, earth fault
Drive Protection: Overvoltage/undervoltage, short circuit, overtemperature
Safe Stop: Safe torque off (STO) option via external safety relay
7. Typical Applications
Commercial ventilation fans
Small water pumps and circulators
Conveyors and light material handling
Packaging machinery
Compressors and mixers (light-duty)
The ABB ACS320-03E-07A3-4 is a compact, single-phase input variable frequency drive (VFD) designed for small to medium motor control in commercial and light industrial applications. It is part of the ACS320 series, known for its ease of use, built-in connectivity, and space-saving design.