# Stepper Motor Driver DM860H 7.2A NEMA 23/34

> The Stepper Motor Driver DM860H is a 2-phase digital bipolar high-voltage driver for NEMA 23 and NEMA 34 stepper motors. It accepts 24-80 V AC or 24-110 V DC input and provides selectable output current from 2.4 to 7.2 A peak. Its listed application areas include heavy CNC machines, laser cutters, plasma systems, large-format 3D printers and industrial automation.

- **Intended for:** CNC machine builders and integrators, Laser-cutter and plasma-system designers, Large-format 3D-printer builders, Industrial-automation engineers, Users working with NEMA 23 or NEMA 34 stepper motors, Engineers selecting a driver with selectable current and microstepping
- **Product page:** https://triton-solutions.co/en/engineering/catalogue/electronics/drivers/stepper-motor-driver-dm860h

## Highlights

- 2-phase digital bipolar high-voltage driver
- Compatible with NEMA 23 and NEMA 34 motors
- Output current from 2.4 to 7.2 A peak
- 16 selectable output-current settings
- Microstepping from 1/1 to 1/128 across 16 settings
- Optical isolation on PUL, DIR and ENA inputs
- Self-test and idle-current reduction
- Smooth motion algorithm
- Over-current, over-voltage and over-temperature protection

## Specifications

| Property | Value |
| --- | --- |
| Driver type | 2-phase digital bipolar (high-voltage) |
| Control inputs | PUL/DIR/ENA with optical isolation |
| Protection | Over-current, over-voltage, over-temperature |
| Model | DM860H |
| Output current | 2.4-7.2 A peak |
| Output-current settings | 16 |
| Input voltage, AC | 24-80 V AC |
| Input voltage, DC | 24-110 V DC |
| Microstepping | 1/1 to 1/128 |
| Microstepping settings | 16 |
| Compatible motors | NEMA 23, NEMA 34 |
| Functions | Self-test; idle current reduction; smooth motion algorithm |
| Protection | Over-current; over-voltage; over-temperature |

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*AI-readable product summary generated by Geoffy. Canonical source: https://triton-solutions.co/en/engineering/catalogue/electronics/drivers/stepper-motor-driver-dm860h. Last updated 2026-09-24T13:30:02.915Z.*