3 Years Warranty Frequency Converter, Frequency Inverter 50Hz/60Hz 220V 380V 480V

3 Years Warranty Frequency Converter, Frequency Inverter 50Hz/60Hz 220V 380V 480V. 3-Year Warranty Coverage: Only VFD factory in China offering a comprehensive 3-year warranty for all units. Ultra-Low Failure Rate: Strict factory testing controls 99% of issues, resulting in a failure rate under 1%. 24/7 English Support: Highly professional after-sales engineers provide round-the-clock English technical support. Fast Torque Response: Torque response time as short as 10ms in SVC1 or SVC2 control modes. Multi-Motor Control: Single drive can control two motors with programmable terminal switching. Wide Power Range: Covers 0.4kW to 1132kW across 220V, 380V, 480V, and 690V input voltages. Four Control Modes: Supports V/Hz, SVC1, SVC2, and VC modes for diverse industrial applications. Off-Grid Solar Pump Ready: Specifically designed and applicable for off-grid solar pump systems.