6V-60V 400W BLDC 3 phase DC Brushless Motor Controller PWM Hall motor Control1.MA MB MC phase line output connection motor2. 5V GND motherboard comes with 5V power supply (current does not exceed 30MA)3.VCC GND motor main power supply (external DC power supply)4.SC speed pulse signal output5.Positive and negative reversing control interface (also can be connected to the external switch)6.VR speed control signal input (onboard with potentiometer speed control can also be connected to 0-5V analog simulation PWM duty cycle to support dual signal input speed regulation)7.Ha Hb Hc +5V GND Hall signal Power input, generally with Hall's motor has five corresponding linesMotherboard specifications:Product Name: 400W Brushless Hall DC Motor DriverOperating voltage: 9-60VMaximum current: rated 16A peak 20AMaximum power: 400WOvercurrent protection: YesProduct size: length 63MM* width 45MM* height 28MMWeight: about 93g.Note: Manual measurement, with small error. Please check size in detail before purchase. Real colors may slightly differ from the pictures, as it depends on specific monitor settings and light brightness.Package Includes:1× 6V-60V 400W BLDC 3 phase DC Brushless Motor Controller PWM Hall motor Control