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4 axis cnc stepper motor driver controller 50V, 5.6A
4 Axis CNC Stepper Motor Driver Controller (110V or 230V Input) for any NEMA 23, 34 Stepper motors
1: 4 PCS KL-5056 Bipolar Drivers, 50V, 5.6A
* Voltage up to 24 to 50VDC, current output up to 5.6 A, DIP
* Selectable resolutions: DIP switch Setting
http://www.kelinginc.net/KL-5056.pdf