Description FA300-3.7G-S2 Unimat VFD is an electrical device used to control the rotational speed of an alternating current (AC) electric motor by adjusting the frequency of electrical power supplied to the motor. Most VFDs used in HVAC applications are inverters using sine-coded PWM technology. Specification Brand name: Unimat Product name: Unimat VFD Product model: FA300-3.7G-S2 Rated power: 3.7 KW Variable Frequency Inverter: 25A Power supply: 440 VAC Phase type: 3-phase Rated frequency: 50/60 Hz Country of origin: China ...