5PCS TB6600 4.5A CNC single-axis stepper motor driver board controller M93
45,60 €
(5) for 4.2A 42,57,86 within the two-phase / four-phase / four-wire / six-wire stepper motor. 2) high-speed optical coupling 6N137, ensure high speed without losing step. 4, printed on the back panel are subdivided setup instructions.
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