• 6N137 high-speed OptoCouple to ensure high speed without losing steps
• for 42,57,86 Stepper within 3A 2/4 -phase / 4 wire / 6 wire stepper motor
• automatic half-decay
• excitation mode: synchronizing, half step, 1/8 step, 1/16 step
• current level is adjustable to meet your application needs
• large heat sink for good heat dissipation
• overheating and over-current protection circuit to ensure optimal performance, operating voltage: 10 to 35 VDC
• rated output current: ± 3 A - peak 3.5 A
• dimensions: 50 x 75 x 35 mm
