Nema 11 Closed Loop Stepper Motor 52mm w/ Gear Raio 40:1 Planetary Gearbox 41.50mm Integrated Closed Loop Driver + Magnetic Encoder

High Precision NEMA 11 Closed Loop Stepper Motor 52mm with Planetary Gearbox 40:1 41.5mm

This NEMA 11 closed loop stepper motor with planetary gearbox combines compact design, high torque output, and precise motion control in one integrated solution. The planetary gearbox 40:1 delivers up to 4Nm rated torque with an efficiency of 90%, making it perfect for automation, robotics, and CNC equipment.

              Key Features

• • • • • Motor Type: NEMA 11 Closed Loop Stepper Motor with planetary gearbox
        • Special:Integrated closed loop driver + magnetic encoder (1000PPR)
        • Gear Ratio: 40:1 Planetary Gearbox
        • Rated Torque: 4Nm
        • Backlash: ≤20 arc-min
        • Noise Level: ≤55dB
        • Length: 52mm
        • Encoder: Magnetic Encoder 1000PPR (4000CPR)
        • Efficiency: 81%
        • Excellent compatibility with stepper motor drivers and control systems

    Technical Specifications

    Item	Specification
    Motor Type	NEMA 11 Closed Loop Stepper Motor 52mm with planetary gearbox 10:1 41.5mm
    Step Angle	1.8° per step
    Holding Torque (Motor Only)	0.18Nm
    Rated Torque (With Gearbox)	4.0Nm
    Gear Ratio	40:1 Planetary Gearbox
    Backlash	≤20 arc-min
    Noise Level	≤55 dB
    Efficiency	81%
    Encoder	Magnetic Encoder 1000PPR (4000CPR)
    Length	41.50mm (Gearbox Section)
    Phase Current	1.3A / Phase
    Rated Voltage	12–24V DC
    Insulation Class	B
    Weight	Approx. 200g

    Encoder Wiring (12 wires)

    Wire No.	Color	Signal Name	Description
    1	Red	V+	Power Supply Positive
    2	Black	V-	Power Supply Negative
    3	Green	PUL+	Pulse Signal Positive
    4	Yellow	PUL-	Pulse Signal Negative
    5	Purple	DIR+	Direction Signal Positive
    6	Orange	DIR-	Direction Signal Negative
    7	White	EN+	Enable Signal Positive
    8	Blue	EN-	Enable Signal Negative
    9	Brown	ALM+	Alarm Output Positive
    10	Grey	ALM-	Alarm Output Negative
    11	Brown	EX+	External Signal Positive
    12	Grey	EX-	External Signal Negative

     

    Note: This closed loop stepper motor with gearbox integrates both driver and encoder internally, ensuring precise feedback and real-time correction. Wiring follows standard 4-phase stepper configuration with encoder feedback for high-precision motion control.

    Advantages of Integrated Stepper Motor with Gearbox

    The integrated closed loop stepper motor ensures accurate position feedback and prevents missed steps, while the planetary gearbox with motor enhances torque and precision. This combination creates a compact Integrated Servo Motor solution for demanding motion control tasks.

    Applications

    • 3D printers and CNC equipment
    • Medical automation devices
    • Robotic arms and servo systems
    • Precision motion control applications

    FAQ

    What is a planetary gear?
    A planetary gear is a mechanical system consisting of a central sun gear, multiple planet gears, and a ring gear. This configuration provides high torque density and compact transmission performance.

    How does planetary gear work?
    The sun gear drives the planet gears, which rotate around it and inside the ring gear. This creates balanced torque distribution and smooth speed reduction.

    What is the planetary gearbox with motor?
    It’s an integrated assembly that combines the motor and planetary gear reducer for accurate speed and torque control in compact applications.

    What are planetary gears used for?
    They are widely used in robotics, servo stepper motor systems, and automation equipment that require high precision and efficiency.

    Learn more about planetary gearbox design → Blog