Specification Size 75 x 50 x 35mm 2 95 x 1 96 x 1 37inch L x W x H Rated maximum output 3A peak 3 5AWorking voltage DC 10V 35VRecommended to use a switching power supply DC24V power supplySubdivision whole step half step step 1 8 1 16 step a maximum of 16 Subdivisions Feature Using the TB6560AHQ new original chip with low voltage shutdown overheating stop and over current protection circuit to ensure optimal performance For two phase within 42 57 stepping 3A four phase of line four six wire stepper motor and is not suitable for more than 3A stepper motor Automatic half current function 6N137 high speed optical coupling guarantee high speed without losing step Features similar products 1 Current grade by adjustable to meet your demand for a variety of applications 2 Semi automatic flow adjustable 3 6N137 high speed optical coupling guarantee high speed without losing step 4 Plate printed setup instructions operation without manual also 5 Thick teeth radiator good heat dissipation Package included 3 x TB6560 1 axis driver board