12Lf Servo Series

    Looking for L12 series? Please see here.

    The 2nd Generation of mightyZAP actuators supporting position, current and speed control. Both MODBUS RTU & IR Open Protocols available

    12Lf Servo Series Features

    • The 2nd generation mightyZAP series supporting dynamic speed & current control as well as
      position control along with position & current feedback
    • Built-in drive circuit, position sensor, 12mm diameter coreless DC motor and gear box
    • 27/40/53/90mm stroke option
    • Rated Load of 12N ~ 100N according to gear ratio for each stroke
      * Speed ​​is inversely proportional to Rated Load, so the stronger the Rated Load, the slower the speed.
    • Support RS-485 or TTL / PWM communication
      * TTL / PWM communication version operates by automatically recognizing the input TTL / PWM signal

      * When using PWM communication, only the position command is available without position feedback (For feedback feature, use TTL or RS-485 communication)

    • Both MODBUS RTU and IR open protocols available
      (Default : IR Open protocol)


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    Main Features

    12Lf Servo Series

    • Stall Force and current control based on current feedback
    • Current feedback allows detection of objects and obstacles
    • Possible to maintain constant force for a certain time (Applicable to Gripper, etc.)
    • Precision position & Dynamic speed control
    • 30~50μm Unidirectional repeatability & Position feedback (Varied by each stroke version. See spec chart.)
    • Absolute position sensing via Potentiometer (No Calibration needed)
    • 32Bit Micro controller, High resolution (4096) A/D converter
    • 1024 steps dynamic speed control (Fastest speed is default.)


    Durability & Safety

    • Heavy Duty Reliable 12V coreless DC motor with 7 ~ 13V input voltage range
    • Metal alloy rod
    • Engineering plastic case (27mm stroke version)
    • Aluminum stroke case & engineering plastic motor case (40mm / 53mm / 90mm)
    • Current control allowing longer life cycle & safer control
    • Life-cycle Reference Data is on our website (Under 50% duty cycle recommended)
    • Vertical (Z axis) use is possible due to mechanical Self-lock (Certain models are not applicable, see the model chart)
    • Smart overload protection by calculation of cumulative current
    • LED indicator shows voltage/overload error status and also shows simple circuit damage diagnosis



    • Compact size for space constraints
    • Hassle-free, Built-in drive circuitor
    • Daisy chain serial connection between servos
    • Various mounting solutions
    • Detachable and 90° rotatable hinge design (Patented)
    • Various APIs / Libraries / Examples of programming languages (C# / C++ / Python / Java / LabView/ Raspberry Pi /
      Arduino etc.)
    • Dedicated PC Software (Parameter setting & simple motion testing) and PC USB Interface (IR-USB02) available
    • LED Error indicator & LED self-diagnosis function
    • Paired with various controller types (PC / PLC / Arduino / Rasberry-Pi / RC Controller / Dedicated embedded
      board etc.)


    Variety and Line-Up

    • Various Stroke options (27mm*, 40mm , 53mm, 90mm)
    • Various Rated Load options (10 to 100N)
    • Various Speed options (7.7 to 110mm/s at No load condition)
    • Two types of data communication options (TTL or RS-485)
    • IR open protocol and Modbus RTU Protocol available (refer to the dedicated user manuals)
    • TTL(Data comm.) or PWM(Pulse signal) is automatically recognized in TTL/PWM version
    • Customization is actively available
      * 27mm stroke can be extended to 30mm using IR-USB02 or USB03


    • Medical device and Lab equipment
    • Kiosk machines
    • Robotics
    • Automation (Factory / Home / Agriculture etc)
    • Production and inspection jigs
    • UAV (Fixed wing / Helicopter / Multicopter etc)
    • DYI, Education, Hobby, etc


    12Lf Servo Series Specifications

    Rated Load Stroke Communication Rated Load /
    Max Speed(No Load)
    Stall Force at Current
    (1.6A / 800mA / 200mA)
    Mechanical Self-Lock
    (Z Axis Use)
    Lead Screw / Gear Ratio / Gear Type
    RS-485 TTL/PWM
    10N 40mm 12Lf-10F-40 12Lf-10PT-40 10N / 110mm/s 60N / 40N / 19N No
    (Pay attention to application)
    Lead Angle20° / 10:1
    / Engineering
    Plastic Gears
    53mm 12Lf-10F-53 12Lf-10PT-53
    90mm 12Lf-10F-90 12Lf-10PT-90
    12N 27mm 12Lf-12F-27 12Lf-12PT-27 12N / 110mm/s 100N / 60N / 16N
    17N 40mm 12Lf-17F-40 12Lf-17PT-40 17N / 80mm/s 100N / 60N / 23N Lead Angle15° / 10:1
    / Engineering
    Plastic Gears
    53mm 12Lf-17F-53 12Lf-17PT-53
    90mm 12Lf-17F-90 12Lf-17PT-90
    20N 27mm 12Lf-20F-27 12Lf-20PT-27 20N / 80mm/s 120N / 72N / 24N
    27N 40mm 12Lf-27F-40 12Lf-27PT-40 27N / 28mm/s 160N / 96N / 33N Yes
    Lead Angle 5° / 10:1
    / Engineering
    Plastic Gears
    53mm 12Lf-27F-53 12Lf-27PT-53
    90mm 12Lf-27F-90 12Lf-27PT-90
    35N 27mm 12Lf-35F-27 12Lf-35PT-27 35N / 28mm/s 210N / 126N / 59N
    42N 40mm 12Lf-42F-40 12Lf-42PT-40 42N / 15mm/s 240N / 144N / 56N Lead Angle 5° / 20:1
    / Metal Gear
    53mm 12Lf-42F-53 12Lf-42PT-53
    55N 27mm 12Lf-55F-27 12Lf-55PT-27 55N / 15mm/s 300N / 180N / 80N
    78N 40mm 12Lf-78F-40 12Lf-78PT-40 78N / 7.7mm/s 420N / 252N / 93N Lead Angle 5° / 50:1
    / Metal Gears
    53mm 12Lf-78F-53 12Lf-78PT-53
    100N 27mm 12Lf-100F-27 12Lf-100PT-27 100N / 7.7mm/s 600N / 360N / 152N

    12Lf Servo Series Common Specifications

    Repeatability Stroke Unidirectional
    27mm / 40mm 30μm(0.03mm)
    53mm 40μm(0.04mm)
    90mm 50μm(0.05mm)
    Mechanical Backlash 0.03mm(30μm)
    Rod Type MetalAlloy Rod
    Motor Type Coreless DC Motor (12mm diameter) 
    Rated Voltage 12V
    Motor Watt 3.5W
    Recommended Duty Cycle At Rated Load At Max Applicable Load
    Max 50% Max 20%
    Current Accuracy ±15%at Over 50mA
    Position Sensor 10KΩlinear Potentiometer
    Input Voltage Range 7 ~13V
    Current Consumption Idle Rated Stall
    Default MAX
    20mA 380mA 800mA 1.6A
    Audible Noise Approx. 50db at 1m
    LED Indication Two Errors Indications (Input voltage, Overload)
    Pulse Signal / Pulse Range PWM (PT version, R/C Hobby Signal)
    900μs(Retracted)-1500μs(Center)-2100μs (Extended)
    Data Communication / Protocol RS-485 or TTL(PT version) / IR Robot open protocol & MODBUS RTU protocol
    Ingress Protection IP-54(Dust & Water Tight)
    Size / Weight
    (Excluding rod-end & hinge)
    27mm 57.5(L)x29.9(W)x15(H)mm/ 49~52g
    40mm 86.9(L)x36(W)x18(H)mm/ 96~99g
    53mm 111.5(L)x36(W)x18(H)mm/ 124~127g
    90mm 151.5(L)x36(W)x18(H)mm/ Approx. 177g
    Operating Temperature -10℃~ 60℃
    Wire Harness TTL(PTversion) : Molex to Molex Type (Molex 50-37-5033, 3pins) / 200mmlength, 0.08×60(22AWG)
    or RS485(F version) : Molex to Molex Type(Molex 0510650400, 4pins) / 200mm length, 0.08×60(22AWG)


    (UNIT : mm)


    (UNIT : inch)

    Standard Accessories