
At550 Low Frequency Inverter 0.75kw VFD 220V 3 Phase Frequency Converter 60Hz 50Hz Extension Card Pg Card. High Performance Vector Control: Features sensorless vector control and torque control technology synchronized with international leading standards. Wide Power Range: Supports power range from 0.75kw to 1000kw for various industrial applications. Customizable Design: Offers customized and industrialized design to meet specific transmission application needs. Multiple Control Modes: Supports V/F control, Sensorless Vector Control (SVC), and Feedback Vector Control (FVC). Advanced Protection Functions: Includes phase loss, overcurrent, overheat, short-circuit, overvoltage, undervoltage, and overload protection. Flexible Frequency Settings: Supports up to 13 frequency reference setting channels with digital, analog, and communication options. Built-in PLC Functionality: Implements up to 16 speeds using simple PLC function or digital input signals. Comprehensive Warranty: Provides 18 months warranty coverage for all mechanical defects and performance issues.