ITEM NAME:4 Pack TB6600 4A 9-42V Stepper Motor Driver CNC Controller, Stepper Motor D S5S3 4 Pack TB6600 4A 9-42V Stepper Motor Driver CNC Controller, Stepper Motor D S5S3 1. common-anodestandard single pulse interface. 2. offline to maintain the function. 3. semi closed enclosure can be adapted to a more stringent environment. 4. to provide energy-saving semi-automatic current lock function. 5. built-in temperature protection and over current protection. 1. 9V-42V DC power supply. 2. H bridge bipolar constant phase flow drive. 3. the maximum 4.0A of the eight kinds of output current. 4. the largest 32 subdivision of the 6 models are optional. 5. input signal high speed photoelectric isolation. resistance (a +) = 0.4.the forward and reverse rotation control. 5 subdivision mode options (1/1, 1/2, 1/4, 1/8, 1/16,1/32). output current: IOUT = 4.0A (peak, in 100ms). rated output: IOUT = 3.5 A. package: HZIP25 - 1.00F. input port internal pull-down resistor: 100 K. alarm output pin current:Ialert = 1mA. monitoring output pin (MO): Imo= 1mA. Material:plastic Colour:Black + green Package Contents: 4 * Motor Driver