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Red Autonics AH1K-S543 5-phase stepper motor driver in box

Autonics Corp

Autonics Corp AH1K-S543 5-Phase Stepper Motor Driver electrician tool

SKU CH-VMH2-1BF0E MPN AH1K-S543

A 5-phase stepper motor driver with 0.72°/0.36° step angles, 1.3 kgf·cm holding torque and IP30 protection

  • Labor warranty1 Year
  • Product typeTest Equipment
  • Color and finishRed
  • Number of items1 pack
  • Sold asBox
  • Parts warranty3 Years
  • Precise positioning with 0.72° full-step and 0.36° half-step resolution
  • Strong holding torque of 1.3 kgf·cm for reliable load control
  • Low winding resistance of 1.7 Ω reduces heat during operation
  • Rated current of 0.75 A per phase ensures efficient power use
  • IP30 protection guards internal components against solid objects

5-Phase Stepper Motor Driver

The Autonics AH1K-S543 is a 5-phase stepper motor driver designed for motion-control applications that require precise angular positioning. It suits engineers and technicians building or maintaining automation equipment where fine step resolution is a priority.

Thermals noise and power

The driver operates with a rated current of 0.75A per phase and a winding resistance of 1.7O, defining its steady-state power draw. An IP30 protection structure means the unit is intended for clean indoor environments without forced-air cooling requirements.

Build quality and connectivity

The rotor moment of inertia is 35g·cm2 and maximum holding torque reaches 1.3kgf.cm, indicating a compact rotor assembly. Wire connection follows a Pentagon layout and the basic step angle is 0.72o in full-step or 0.36o in half-step mode, dictating the wiring harness and mounting orientation.

How it compares

Measured against everything we stock in Electrical Trade Tools & Kits, at today’s prices. Recalculated every night.

Price $146.99
Pricier than about 67% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameAutonics
Model nameAH1K-S543
Product typeTest Equipment
Color and finishRed
In the box
Number of items1 pack

Questions about this item

How do I wire the AH1K-S543 driver and which step does an electrician often miss?

Follow the pentagon wire connection diagram exactly; the step most missed is confirming each phase carries 0.75A before powering the 5-phase stepper motor driver.

What part of the AH1K-S543 will need replacement first during long-term use?

The driver has no user-serviceable parts; only the external 5-phase stepper motor it controls may eventually require bearing or winding service.

At what point does the AH1K-S543 hit its thermal or torque limit under continuous operation?

Sustained operation is limited by the 1.3kgf.cm max holding torque and IP30 protection; exceeding rated current or blocking airflow triggers overtemperature shutdown.

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