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MDrive® Plus

MLM1 NEMA 23 Non-captive Linear Step/direction input IP20

MDrive Plus NEMA size 23 (57 mm) integrated stepper motor linear actuator. This is a Step/direction input with SPI interface for parameterization.

  • Holding torque range oz-in (N-cm): 90 …283 (64 … 200)
  • I/O connector options: Flying Leads, Pluggable, Wire Crimp
  • Com connector: IDC, None

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Control TypeStep/direction input
Control Method
P1 Connector OptionsPower & I/OFlying Leads, Pluggable, Wire Crimp
P2 Connector OptionsCommIDC, None
Communications InterfaceSPI
NEMA SizeNEMA (mm)23 (57)
Holding Torque Rangeoz-in (N-cm)90 …283 (64 … 200)
Operating Temperature[°C] heatsink85
[°C] motor100
IP ratingIP20
California Residents – Click here for Proposition 65 warning
Input VoltageVDC12 … 75
Power Supply Current Requirement[A]2.0/3.5*

Voltage[+ VDC]
Current[mA] Max
Digital Filter Range[nS … μS]50 … 12.9
[MHz … kHz]10 … 38.8
Step Frequency [MHz] Max5
Microstep Resolutions[Steps/Rev]200 … 51200
Clock TypesStep/Direction, Step Up/Step Down, Quadrature

Motor & Mechanical

Force-Speed Performance

Test conditions: maximum force/load is based on a static load. This will vary with a dynamic load.

24 VDC
48 VDC
75 VDC

Motor Specifications

Holding torqueoz-in90
Maximum screw misalignment°±1
Maximum thrustlbs200
Maximum repeatabilityin0.005
mm 0.127
Rotor inertiaoz-in-sec20.0025
Weight (motor+driver)oz22.0

Mechanical dimensions

Screw Specifications

Screw travel specifications

Travel per revolution
Screw G0.3759.525
Screw A0.205.08
Screw B0.1674.233
Screw D0.08332.116
Travel per full step
Screw G0.0018750.0476
Screw A0.0010.0254
Screw B0.0008350.0212
Screw D0.00041650.0106

Nut specifications



The nut is located internal to the motor.

  • Max Thrust: 200 lbs (91kg)

End treatment options

Need a custom leadscrew solution?

Custom screw ends

SEM offers numerous customization options for your lead screw. Contact us to learn more!

Leadscrew maintenance statement

While under optimal conditions lubrication interval is expected to occur approximately once every 1000 hours of service. Actual life will depend on application and environment. Based upon this, frequent inspections must be performed and a maintenance interval determined based on actual conditions.

Recommended lubricant: Dupont Krytox GPL 206

Part Builder

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