# 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, microstepping and optically isolated control inputs for listed automation and machine applications.

- **Product page:** https://triton-solutions.co/en/engineering/catalogue/electronics/drivers/stepper-motor-driver-dm860h

## Highlights

- 2-phase digital bipolar high-voltage driver
- Output current from 2.4-7.2 A peak with 16 selectable settings
- Microstepping from 1/1 to 1/128 with 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 and ENA with optical isolation |
| Protection | Over-current, over-voltage and over-temperature |
| Model | DM860H 7.2A |
| Output current | 2.4-7.2 A peak; 16 selectable settings |
| Input voltage | 24-80 V AC or 24-110 V DC |
| Microstepping | 1/1 to 1/128; 16 settings |
| Compatible motors | NEMA 23, NEMA 34 |
| Features | Self-test; idle current reduction; smooth motion algorithm |

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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 2026-09-03T17:00:10.411Z.*