3-Phase Brushless DC Irrigation Water Pump Driver (250W) Function: Control way: Sin wave control, FOC Hall sensor: Senseless RPM: 0-40000 ( adjustable) Speed control: IR /PWM/VSP/SPI/ Speed feedback: Yes Forward/Reverse function: No Rated spec.: Input voltage: AC170-276V(Adjustable) Power: 250W Product size: 115*95mm Protection function: Over temperature No loading Over current Over voltage Under-voltage Phase loss Anti-reverse Anti-lock