ITEM NAME:Stepper Motor Driver Nema 23 Nema 34 42/57/86 Nema 17 4.5A 40V 1 Axis Stepp V8K7 Stepper Motor Driver Nema 23 Nema 34 42/57/86 Nema 17 4.5A 40V 1 Axis Stepp V8K7 Type:Hybrid This drive is an improved version of the TB6600,the breakdown of elevation to 32 segments,for high segmentation purposes.Applicable stepper motor:42.57,86 type 2-phase 4-phase (4-wire 6 wire line 8) 1.9 V-42 V DC power supply; 2,H-bridge bipolar constant phase flow driven; 3,the maximum output current of 4.0A eight optional; 4,up to 32 segments of six types of sub-modes available; 5,the input signal fast optical isolation; 6,standard common anode single pulse interface; 7,offline hold function; 8,semi-closed chassis can be more demanding environment; 9,provide energy semi-automatic current lock function; 10 built-in thermal protection and overcurrent protection. colour:black Material:ABS and metal Size:96*73*35mm Package Contents: 1 * stepping motor driver.3,the maximum output current of 4.0A eight optional;. 9,provide energy semi-automatic current lock function;. 1 stepping motor driver. 6,standard common anode single pulse interface;. 10 built-in thermal protection and overcurrent protection.