Technical Parameters (EV1000-4T0037P) Model: EV1000-4T0037P Series: EV1000 General-Purpose AC Drive (Compact Series) Product Type: AC Variable Frequency Drive (Inverter) Power Rating (P-type - Normal Duty): 3.7 kW (5 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: 9.0 A (typical at 380V) Output Frequency: 0 to 400 Hz (standard) Control Mode: V/Hz (Volts per Hertz) Overload Capacity (P-type): 120% for 60 seconds; 150% for 10 seconds Carrier Frequency: 2 kHz to 8 kHz (adjustable, derating applies at higher frequencies) Frequency Setting Resolution: 0.01 Hz Starting Torque: 120% at 0.5Hz Speed Control Accuracy: ±0.5% Speed Control Range: 1:50 Digital I/O: 4 x programmable digital inputs, 1 x programmable digital output (relay) Analog I/O: 1 x analog input (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, basic PID control 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) Cooling Method: Forced air cooling (integrated fan) Dimensions (H x W x D): Approx. 200 mm x 120 mm x 140 mm (7.9" x 4.7" x 5.5") - typical Weight: Approx. 2.5 kg (5.5 lbs) Standards: CE, RoHS