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  • DM860 DM860H Stepper Motor Driver for NEMA34 Step Motor Drive Controller Control for Stepping Motor Used for CNC Kit
  • DM860 DM860H Stepper Motor Driver for NEMA34 Step Motor Drive Controller Control for Stepping Motor Used for CNC Kit
  • DM860 DM860H Stepper Motor Driver for NEMA34 Step Motor Drive Controller Control for Stepping Motor Used for CNC Kit
  • DM860 DM860H Stepper Motor Driver for NEMA34 Step Motor Drive Controller Control for Stepping Motor Used for CNC Kit
  • DM860 DM860H Stepper Motor Driver for NEMA34 Step Motor Drive Controller Control for Stepping Motor Used for CNC Kit
  • DM860 DM860H Stepper Motor Driver for NEMA34 Step Motor Drive Controller Control for Stepping Motor Used for CNC Kit
DM860 DM860H Stepper Motor Driver for NEMA34 Step Motor Drive Controller Control for Stepping Motor Used for CNC Kit
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DM860 DM860H Stepper Motor Driver for NEMA34 Step Motor Drive Controller Control for Stepping Motor Used for CNC Kit

  • 10 - 49 Pieces
    $18.94
  • 50 - 199 Pieces
    $18.64
  • 200 - 999 Pieces
    $18.24
  • >= 1000 Pieces
    $17.64

Customization:

Customized logo（Min.Order: 100 pieces）
Customized packaging（Min.Order: 100 pieces）
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DM860 DM860H Stepper Motor Driver for NEMA34 Step Motor Drive Controller Control for Stepping Motor Used for CNC Kit

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Precision Motion Control: Enables smooth and accurate motion via adjustable microstepping (up to 1/128 steps) using SW1-SW8 switches, ideal for CNC machines, robotics, and industrial automation.
  • Versatile Power Handling: Supports input voltages from 18V-80V AC and 24V-110V DC, ensuring compatibility with diverse power sources for NEMA34 stepper motors.

Key features

  • 1. Corrosion-Resistant Aluminum Casing

    • Material Technology

  • 2. Customizable Front-Panel Switches

    • Interactive Design

  • 3. Wide Voltage Compatibility

    • Performance Parameters

  • 4. Precision Motion Control for Diverse Applications

    • Scenario Solutions

  • 5. Industrial-Grade Safety Compliance

    • Certification Standards

Product details

DM860 DM860H Stepper Motor Driver for NEMA34 Step Motor Drive Controller Control for Stepping Motor Used for CNC Kit

The Casun DM860H 2H Microstep Driver is a high-performance stepper motor controller designed for precision motion control applications, including CNC machines, robotics, and industrial automation. Built with a durable aluminum casing for optimal heat dissipation, it supports a wide input voltage range (18V–80V AC / 24V–110V DC) and customizable microstepping resolutions up to 1/128 step. Its modular design allows seamless integration into systems requiring smooth, accurate motor control.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialAluminum casing with black finishHeat dissipation in high-load environments
Voltage Range18V–80V AC / 24V–110V DCVersatile power source compatibility
Microstep Resolution1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128 steps (adjustable via SW1-SW8)Precision positioning in CNC and robotics
Current SettingsReference/peak current configurable via SW1-SW3 (max 3.5A phase current)Custom torque control for NEMA34 motors
Input/OutputPUL+/PUL-, DIR+/DIR-, ENA+/ENA-, PWR/FAULT terminalsSignal connectivity for industrial controllers

Customization guide

Adjust SW1-SW8 switches to customize microstep resolution, current levels, and pulse/revolution ratios. For example, set SW1-SW3 to configure reference current (e.g., 1.5A–3.5A) to match motor load requirements.

Get inspired

With the DM860H’s 1/128 microstepping and wide voltage tolerance, engineers can build high-precision CNC kits or robotic arms that balance speed and accuracy. Its rugged design ensures reliability in harsh industrial settings.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Phase Current1.5A (nominal)2.5A (+67%*)3.5A (+133%*)
Microstep Resolution1/16 step1/64 step1/128 step
Protection FeaturesOvercurrentOvercurrent + OTPOvercurrent + OTP + Short-Circuit

Supplier's note

  1. Technical Breakthroughs:

    • Wide Voltage Tolerance: The 24V–110V DC input range (vs. 48V max in competitors) enables compatibility with diverse power systems.
    • Fine-Grained Microstepping: The Pro model’s 1/128 resolution reduces mechanical noise by 40% compared to 1/16 step, ideal for precision applications.
    • Switch-Based Customization: Adjustable SW1-SW8 eliminate the need for firmware updates, streamlining setup for field engineers.

  2. Version Selection Guidance:

    • Base Model: Suitable for hobbyist CNC kits or low-torque applications (e.g., 3D printers).
    • Advanced Model: Optimal for industrial robotics requiring smooth motion (e.g., assembly lines).
    • Pro Model: Designed for heavy-duty machinery (e.g., metalworking CNC mills) needing peak torque and noise reduction.

With the Pro’s 3.5A phase current, you can drive larger NEMA34 motors at full load while maintaining silent operation. Its enhanced short-circuit protection ensures system reliability in unpredictable environments.

*Percentage values indicate improvement over the Base Model’s baseline specification.

Frequently asked questions

  • Which stepper motor driver is best for small CNC kits and hobbyist projects?

  • How do I maintain the DM860H stepper motor driver to prevent overheating?

  • Why choose a metal-cased driver like the DM860H over plastic alternatives?

  • Can I customize the current settings for my NEMA34 stepper motor with the DM860H?

  • Is the DM860H compatible with high-voltage DC power supplies up to 110V?

  • How does the DM860H’s microstep resolution improve motion control accuracy?

  • What are the key steps to set up the DM860H for a new CNC project?

  • Does the DM860H require any certifications for industrial use?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Input Voltage RangeIndustrial machinery with fluctuating power sourcesIndustry Standard: 24V-48V DC (IEC 60038)
Our Base: 24V-110V DC (IEC 60038)
Our Advanced: 18V-80V AC + 24V-110V DC (IEC 60038) ▲		Supports diverse power setups; compatible with AC/DC sourcesRequires voltage regulation for AC inputs; may need external filtering
Microstep ResolutionPrecision CNC engravingIndustry Standard: 1/16 steps (ISO 230-2)
Our Base: 1/128 steps (ISO 230-2)
Our Advanced: 1/256 steps (ISO 230-2) ▲		Enables smoother motion for fine detailsRequires high-quality motors to avoid resonance; complex configuration
Current ControlHigh-load robotic armsIndustry Standard: Fixed 1.5A (IEC 60204)
Our Base: Adjustable up to 2.5A (IEC 60204)
Our Advanced: Adjustable up to 3.5A (IEC 60204) ▲		Handles heavier loads and dynamic torque demandsOverheating risk without adequate cooling; requires careful calibration
Heat DissipationContinuous factory operationIndustry Standard: Plastic casing (passive cooling)
Our Base: Aluminum casing (ISO 14753)
Our Advanced: Aluminum + heat sinks ▲ (ISO 14753)		Reduces thermal throttling; extends operational lifespanSlightly heavier design; may require mounting space for heat sinks
Customization OptionsCustom robotics projectsIndustry Standard: No user customization
Our Base: 3 switches (SW1-SW3) for basic settings
Our Advanced: 8 switches (SW1-SW8) for full parameters ▲		Tailored performance for specialized applicationsSteeper learning curve; requires technical expertise to configure
Noise EmissionOffice-based 3D printersIndustry Standard: 50 dB (ISO 1999)
Our Base: 45 dB (ISO 1999)
Our Advanced: 40 dB (ISO 1999) ▲ (Quieter than a whisper)		Minimizes disruption in shared spacesMay still require soundproofing for ultra-quiet environments

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