Key Technical Specifications Specification Value Product Type Compact SYSDRIVE Inverter Power Rating (Motor Capacity) 1.5 kW (1.5 kW CT / 2.2 kW VT) Voltage Class 3-phase 400V class Rated Input Voltage 3-phase 380~460 VAC, 50/60 Hz Max. Output Voltage 3-phase, 380~460 VAC (proportional to input voltage) Rated Output Current 4.8 A Rated Output Capacity (kVA) 3.7 kVA Max. Output Frequency 400 Hz (adjustable via parameters) Frequency Control Range 0.1 ~ 400 Hz Approx. Weight 2.1 kg Dimensions (W × H × D) 108 × 128 × 156 mm (original) / 108 × 128 × 170.5 mm (alternative) Control & Performance Specifications Specification Value Control Method Sine wave PWM, selectable V/f control or Current Vector Control Carrier Frequency 2.5 ~ 10.0 kHz (step switching) Frequency Accuracy (Digital) ±0.01% (-10~+50°C) Frequency Accuracy (Analog) ±0.5% (25°C±10°C) Frequency Setting Resolution (Digital) 0.01 Hz (below 100 Hz), 0.1 Hz (100 Hz or above) Output Frequency Resolution 0.01 Hz Overload Capacity 150% of rated output current for 1 minute Starting Torque 150% at 3 Hz (Open-loop vector control) Acceleration/Deceleration Time 0.01 ~ 6000 seconds (separate setting) Braking Torque Approx. 20% (without external braking resistor); up to 125-150% with optional braking resistor Cooling Method Forced air cooling (cooling fan) Power Supply & Environmental Specifications Specification Value Allowable Voltage Fluctuation -15% ~ +10% Allowable Frequency Fluctuation ±5% Power Supply Capacity 5.1 kVA Heat Dissipation 75.7 W Protection Rating Panel-mounting, conforms to IP20 Operating Ambient Temperature -10 ~ +50°C Storage Temperature -20 ~ +60°C