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MDrive® Plus

MLM5 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 Type Step/direction input
Control Method
P1 Connector Options Power & I/O Flying Leads, Pluggable, Wire Crimp
P2 Connector Options Comm IDC, None
Communications Interface SPI
NEMA Size NEMA (mm) 23 (57)
Holding Torque Range oz-in (N-cm) 90 …283 (64 … 200)
Operating Temperature [°C] heatsink 85
[°C] motor 100
IP rating IP20
California Residents – Click here for Proposition 65 warning
Input Voltage VDC 12 … 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] Max 5
Microstep Resolutions [Steps/Rev] 200 … 51200
Clock Types Step/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

Spec Notes Value
Holding torque oz-in 90
N-cm 64
Maximum screw misalignment ° ±1
Maximum thrust lbs 200
kg 97
Maximum repeatability in 0.005
mm 0.127
Rotor inertia oz-in-sec2 0.0025
kg-cm2 0.18
Weight (motor+driver) oz 22.0
g 625.0

Mechanical dimensions

Screw Specifications

Screw travel specifications

Travel per revolution
Screw inches mm
Screw G 0.375 9.525
Screw A 0.20 5.08
Screw B 0.167 4.233
Screw D 0.0833 2.116
Travel per full step
Screw inches mm
Screw G 0.001875 0.0476
Screw A 0.001 0.0254
Screw B 0.000835 0.0212
Screw D 0.0004165 0.0106

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

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