Technical Parameters (EV2100-4T0370A) Model: EV2100-4T0370A Series: EV2100 General-Purpose AC Drive Product Type: AC Variable Frequency Drive (Inverter) Rated Power: 37 kW (50 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: 75 A (typical at 380V) Output Frequency: 0 to 400 Hz (standard, extendable to 1000Hz) Control Modes: V/Hz (Volts per Hertz), Sensorless Vector Control (SVC) Overload Capacity: 150% for 60 seconds (Heavy Duty / Constant Torque) 120% for 60 seconds (Normal Duty / Variable Torque - 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) 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 (multiple high-capacity fans) Dimensions (H x W x D): Approx. 600 mm x 400 mm x 300 mm (23.6" x 15.7" x 11.8") - typical for high-power model Weight: Approx. 35 kg (77 lbs) Standards: CE, RoHS