Features:
1. 100% brand new and high quality.
2. Bipolar constant current chopper
3. High-speed optocoupler signal isolation input
4. Electrical input signal is TTL compatible
5. Stationary current is automatically reduced by half
6. Suitable for any small-and-medium automatic equipment with CNC controller， such as X-Y-Z tables， labeling machines， laser cutters， engraving machines， and pick-place devices.

Specifications:
1. Supply Voltage: 9~42VDC
2. Input voltage: DC 12 ~ 48V
3. Operating Temperature: -10 to 45 ˚C
4. Storage temperature: -40 to 70 ˚C
5. Max Drive Current: 4A
6. Chopping Frequency: 20KHZ

Package Included:
1 x 4A TB6600 Stepper Motor Driver Controller