Product Description<br>Features:<br>Working voltage DC 10V-35V. Recommended to use a switching power supply DC24V power supply.<br>6N137 high-speed optical coupling  guarantee high speed without losing step.<br>Using the TB6560AHQ chip with low voltage shutdown  overheating stop and overcurrent<br>protection circuit to ensure optimal performance.<br>Rated maximum output:  3A  peak 3.5A.<br>For two-phase within 42 57 stepping 3A / four-phase / of line four / six-wire stepper motor <br>and is not suitable for more than 3A stepper motor.<br>Automatic half current function.<br>Subdivision: whole step  half-step  step 1/8  1/16 step  a maximum of 16 subdivisions.<br> <br>Specifications:<br>Working voltage:DC 10-35V<br>Rated maximum output:  3A  peak 3.5A.<br>Main color:Green<br>Size:75 x 50 x 33mm<br>Net weight:83g<br>Package content:<br>1x TB6560 3A driver board<br><br><img src="//gdetail.image-gmkt.com/030/717423496/2016/4/ff219d1c-f23a-42e0-a27f-1735531482d7.jpg"  width="940" height="940" onerror="this.src='http://gdetail.image-gmkt.com/030/717423496/2016/4/ff219d1c-f23a-42e0-a27f-1735531482d7.jpg'; $(this).attr('onerror'，'');" ><br><br><img src="//gdetail.image-gmkt.com/030/717423496/2016/4/b77e119d-fe10-4dfd-b0fa-ae26eee1dfe5.jpg"  width="940" height="940" onerror="this.src='http://gdetail.image-gmkt.com/030/717423496/2016/4/b77e119d-fe10-4dfd-b0fa-ae26eee1dfe5.jpg'; $(this).attr('onerror'，'');" ><br><img src="//gdetail.image-gmkt.com/030/717423496/2016/4/360f5dc3-b715-408b-b5a1-3edc5caa970a.jpg"  width="940" height="940" onerror="this.src='http://gdetail.image-gmkt.com/030/717423496/2016/4/360f5dc3-b715-408b-b5a1-3edc5caa970a.jpg'; $(this).attr('onerror'，'');" ><br><img src="//gdetail.image-gmkt.com/030/717423496/2016/4/0ab2a49a-6bd9-4451-a98c-d3452af09e84.jpg"  width="940" height="940" onerror="this.src='http://gdetail.image-gmkt.com/030/717423496/2016/4/0ab2a49a-6bd9-4451-a98c-d3452af09e84.jpg'; $(this).attr('onerror'，'');" ><br><br><br>Packaging Details<br>Unit Type: piece Package Weight: 0.080kg (0.18lb.) Package Size: 18cm x 15cm x 10cm (7.09in x 5.91in x 3.94in)