Closed loop stepper motor driver HBS57 4.5A 24-60VDC

Key Features:
  • Brand: ACT Motor
  • Power supply: 24 – 60 VDC
  • Maximum current: 4.5 A
  • Microstep resolution: 200 – 51200 pulses/rev
  • Input pulse frequency: 0~200kHz
  • Working temperature: 0°C ~ 70°C


5 in stock
SKU 472-Z-2-12
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The HBS57 digital closed loop stepper motor driver is suitable for two-phase Nema 23 closed-loop stepper motor with a phase current of less than 4.5 A. The drive voltage is from 24VDC to 60VDC.

HBS57 closed loop stepper motor driver and its key features:

  • High positioning accuracy without losing steps
  • Smooth acceleration and stopping of the stepper motor
  • Little vibration, smooth and reliable rotation at low speeds
  • Optically isolated signal inputs
  • Protection against excessive current, voltage
  • Input pulse frequency up to 200 KHz
  • Microsteps between 200 and 51200


Input voltage 24-60 VDC, 36 VDC (recommended)
Micro steps 200-51200 ppr
Output current 4.5A
Input pulse frequency 0-200 kHz
Signal flow 7-20mA
Storage environment -20℃ ~ +80℃
Humidity No condensation or water droplets
Weight 280g
Environment of use 0 ℃ ~ +70 ℃, avoid dust and corrosive gases

Signal interface details:

The controller's control signals can be active at high or low electrical levels. When the high electrical level is active (common cathode connection), all control negative signals are connected to GND. When the low electrical level is active (common anode connection), all positive control signals are connected to a positive voltage. See the images below for details:

  • Common cathode connection

common cathode stepper motor

  • Common anode connection

common anode common anode stepper motor

You can use a 5 – 24 V controller signal, but make sure the appropriate resistor is used:

Amplitude of the signal External limiting resistor R (see figure above)
5V No resistance
12V 1kΩ (≥1/4 W)
24V 2kΩ (≥1/2 W)

Motor, power supply and encoder interface details:

ACT-HBS57 instructions



Power supply

24 – 60 VDC

Maximum current

4.5 A

Microstep resolution

200 – 51200 pulses/rev

Input pulse frequency


Working temperature

0°C ~ 70°C


ACT Motor


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