Features ???? COST EFFECTIVE: The WS55-180 is a powerful, cost-effective three-phase BLDC motor controller. The voltage range is from 20 VDC to 50 VDC. ???? CONVENIENT FUNCTIONS: This controller can control DLDC motors with or without HALL. External potentiometer control/external voltage control. ???? VERSATILE: The drive uses advanced technology with high speed, high torque, low noise, low vibration, overcurrent protection, overload protection and phase less wire protection, phase short circuit protection. ???? SIMPLE TO USE: Brushless motor drive controller has alarm output, speed signal output, positive and negative rotation control and other functions. It is simple and convenient to use, and can meet your usage requirements. ???? WIDE APPLICATION: This WS55-180 motor controller can be used for small household appliances, power tools, exhaust fans, jade grinders, vibration motors and so on. Features: WS55-180 is a powerful, cost-effective 3-phase BLDC motor controller. The voltage range ranges from 20 VDC to 50 VDC. The controller can control the DLDC motor with or without HALL The driver is based on advanced technology and has high speed, high torque, low noise, low vibration, overcurrent protection, overload protection and less phase line. Protection, phase line short circuit protection, alarm output, speed signal output, positive negative rotation control, etc. This control can be used in small appliances, power tools, exhaust fans, jade grinding machines, vibration motors, etc. External potentiometer control / external voltage control. With over-voltage protection, over-current protection, blocking protection. Specifications: Rated voltage: 20 to 50 VDC. Rated current: 10 A. Current limit: 15 A. Maximum speed: 20000 rpm (the specific speed depends on the motor itself and the load). Storage temperature: -20 ℃ ~ + 65 ℃. Application environment: avoid direct contact with dust, fumes and corrosive gases Temperature: 0-45 °C. Humidity: < 80%, no frost, frost-free. Shock: 5.9 m / S2 MAX Storage humidity: 0 ~ 95% RH. Size: 9.5 x 7 x 3.5 cm / 3.74 x 2.76 x 1.38 inches. Weight: 260 g Detail: 1. Two modes of speed control: External potentiometer: via this potentiometer speed control; External voltage: external 10VDC voltage control speed; Note: the two speed control cannot be used at the same time 2. Speed output PG signal: A 5V pulse is output between the port and the ground. The output frequency is set to P (Hz), the engine class logarithm is N and the speed is F (rpm), then the output speed is Package List