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MDrive® Plus

MLI3 NEMA 14 Non-captive Linear CANopen IP20

MDrive Plus NEMA size 14 (36 mm) integrated stepper motor linear actuator. This is a CANopen CAN bus 2.0b supporting CiA301 and CiA402.

  • Holding torque range oz-in (N-cm): 18…36 (13 … 25)
  • I/O connector options: Wire Crimp
  • Com connector: DB9

Need more advanced features?
Liberty MDrive Linear Actuator products offer advanced features such as closed lopp performance and absolute encoders.
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Control TypeCANopen
Feature SetStandard (Plus)
P1 Connector OptionsPower & I/OWire Crimp
P2 Connector OptionsCommDB9
Communications InterfaceCANopen
Communications FeaturesCANopen DS301, DSP402
NEMA SizeNEMA (mm)14 (36)
Holding Torque Rangeoz-in (N-cm)18…36 (13 … 25)
Operating Temperature[°C] heatsink85
 [°C] motor100
IP ratingIP20
California Residents – Click here for Proposition 65 warning
Input VoltageVDC12 … 48
Power Supply Current Requirement[A]1.0
Aux-Logic Supply Voltage[+VDC]12 … 24
Aux-Logic Supply Curret[mA] max194

Programmable I/O
General Purpose
# of I/O4 I/O points, programmable as sinking outputs or sinking and sourcing inputs
Logic RangeInputs and outputs tolerant to +24 VDC, inputs TTL compatible
Output Sink CurrentUp to 600 mA per channel
ProtectionOver temp, short circuit, transient over voltage, over voltage, inductive clamp
Dedicated I/O
FunctionCaputure input, trip output
Logic range0 to +5 VDC, TTL compatible
Analog Input
Range (selectable0 to +5 VDC, 0 to 10 VDC, 0 to 20 mA, 4 to 20 mA
TypePosition and Encoder
Edge Rate[MHz]5
Range[steps/sec2]1.5 X 109
Open Loop
# of step resolutions20
Range[steps/rev]200 … 51200
with Encoder option
Encoder typeInternal, differential, magnetic
Resolution512 lines (2048 edges)

Motor & Mechanical

Force-Speed Performance

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

12 VDC
24 VDC
48 VDC

Motor Specifications

Holding torqueoz-in18
Maximum screw misalignment°±1
Maximum thrustlbs50
Maximum repeatabilityin0.005
mm 0.127
Rotor inertiaoz-in-sec20.0003
Weight (motor+driver)oz8.0

Mechanical dimensions

Screw Specifications

Screw travel specifications

Travel per revolution
Screw A0.256.35
Screw B0.1253.175
Screw C0.0631.588
Travel per full step
Screw A0.001250.0317
Screw B0.000630.0158
Screw C0.000310.0079

Nut specifications

The nut is located internal to the motor.

Max Thrust: 50 lbs (22kg)

End treatment options

End treatments
SmoothØ 0.1967″ ±0.001
Ø 5 mm ±0.003
Threaded Metric: M4 x 0.7mm
thread to within 0.03″/
0.76 mm of shoulder
UNC: #8-32 UNC-2A thread
to within 0.03″/
0.76 mm of shoulder

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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