Technical Parameters (EV-ECD01-4T0150) Model: EV-ECD01-4T0150 Series: EV-ECD01 Enhanced Control Drive Product Type: AC Variable Frequency Drive (Inverter) Rated Power: 15 kW (20 HP) Input Phase: Three-phase Input Voltage: 380V to 480V AC ±10% Input Frequency: 50/60 Hz ±5% Output Voltage: 3-phase, 0 to rated input voltage (variable frequency) Rated Output Current: 32 A (typical at 380V) Output Frequency: 0 to 400 Hz (standard, extendable to 1000Hz) Control Modes: V/Hz, Sensorless Vector Control (SVC) Overload Capacity: 150% for 60 seconds (Heavy Duty rating); 120% for 60 seconds (Normal Duty - configurable) Carrier Frequency: 2 kHz to 8 kHz (adjustable, derating applies at higher frequencies) Frequency Setting Resolution: 0.01 Hz Starting Torque: 150% at 0.5Hz (sensorless vector) Speed Control Accuracy: ±0.5% (sensorless vector) Speed Control Range: 1:100 (sensorless vector) Torque Control Accuracy: ±5% (at 5Hz and above) Digital I/O: 6 x programmable digital inputs, 2 x programmable digital outputs (relay) Analog I/O: 2 x analog inputs (0-10V, 4-20mA selectable), 1 x analog output (0-10V, 4-20mA selectable) Communication: Standard RS485 with MODBUS RTU protocol Built-in PID: Yes, with sleep/wake function and preset values Protection Class: IP20 (requires enclosure for installation) Operating Temperature: -10°C to +40°C (derating above 40°C to max 50°C) Storage Temperature: -20°C to +60°C Humidity: <95% RH (non-condensing) Altitude: Up to 1000m without derating (derating above 1000m to 4000m max) Vibration: 0.5g (up to 20Hz), 0.2g (20-50Hz) Cooling Method: Forced air cooling (high-capacity fan) Dimensions (H x W x D): Approx. 350 mm x 250 mm x 200 mm (13.8" x 9.8" x 7.9") - typical Weight: Approx. 12 kg (26.5 lbs) Standards: CE, RoHS