... , current: 2~6A Power input type:24V~55V AC microstepping driver, current: 2-6AQJ6060AC quick delivery in ... ~40°C Humidity<90%.I/O Ports:1.AC,AC:AC power positive pole 24V~55V ACNote:Must guard ... against exceeding 55V AC, so as not to damage the module2.GND ... wiring of electrical machinery is a mistake . CW6060AC high quality stepper motor driver,2A-6A,Power input type:24V ...