CTB6600 Upgraded Version 32 Segments 4A 40V 57/86 Stepper Motor Driver 9V-40V DC power supply. H-bridge bipolar constant phase flow driver. The maximum output current is 4.0A (eight optional). Up to 32 segments of six kinds of sub-modes available. The input signal high-speed photoelectric isolatio. Standard common anode single pulse interface. Offline keep function. Semi-enclosed chassis can adapt to a more demanding environment. Provide energy saving semiautomatic current lock function. Built-in thermal protection and over-current protection. For step motor: 42, 57, 86 type 2 phase 4 phase (4 / 6 / 8 line). Note: *This driver is the upgraded version TB6600, heightening segment to 32 subdivision, suitable for high segmentation applications. Package included: 1 x TB6600 Stepper Motor Driver Controller.