SD-2H044MA Features Low cost and good high-speed torque Supply voltage up to +45VDC Output current up to 5.86A Optically isolated input signals Automatic idle-current reduction 14 selectable resolutions Suitable for-2-phase and 4-phase motors Dip switch current setting 8 different values Pulse frequency up to 200KHz Dip switch current setting 8 different values Small size (122.2*90*33),Weight:0.3KG