DFRobot
High Torque Waterproof Metal Gear Digital Servo (20KG, 180°, IP54)
· MPN: SER0063
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##Introduction This is an extraordinary water-resistant digital servo with formidable torque, possessing a torque capacity of 20kg and a controllable angle o...
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##Introduction This is an extraordinary water-resistant digital servo with formidable torque, possessing a torque capacity of 20kg and a controllable angle of 180 degrees. It exhibits enhanced linear motion and features an internal configuration of copper gears, with the gear axis thickened to an optimized 2.0 center distance. The dual ball bearing design ensures impeccable performance, while the aluminum casing promotes superior heat dissipation, thereby extending the lifespan. Additionally, this servo is equipped with electronic and temperature protections, ensuring a safer user experience. In the event of a servo lock-up, it automatically triggers a protective torque output when the torque exceeds the overload capacity for a continuous period of 8 seconds. Moreover, should the servo's temperature surpass 70 degrees, it ceases torque output, only to resume once the temperature drops below 70 degrees. To enhance its water resistance, the servo's joints are fortified with waterproof gaskets, and the circuit board is coated with a waterproof varnish. Both the motor and the potentiometer are sealed with a specialized adhesive. These measures contribute to the servo's exceptional waterproof capabilities. Moreover, this servo is accompanied by a selection of different-shaped servo horns, enabling its application in a wider range of environments. Interface Definition DiagramDimensional Diagram ##Applications Build robotsDriving part of various automated equipment ##Specification Electrical characteristicsOperating Voltage: 5-8.4VNo-Load Speed: 0.185sec/60° (54RPM) @6V，0.151sec/60° (66RPM) @7.4VOperating Current: 100mA @6V，120mA @7.4VStall Torque: 16.5kg.cm/229.54oz.in @ 6V，20kg.cm/278.23oz.in @7.4VStall Current: 2.3A @6V，3A @7.4VStatic Current: 6mARated Load: 5.5kg.cm @6V，6.5kg.cm @7.4VRated Current: 800mA @6V，1000mA @7.4VKt Constant: 6.5kg.cm/A Control characteristicsControl Signal: PWMAngle: 180° (at 500→2500µsec)Angle Difference: ≤5°Return Difference: ≤1°Neutral Position: 1500µsecDead Band Width: ≤4µsecRotation Direction: Counterclockwise (from 1500 → 2000µsec)Pulse Width Range: 500→2500µsecSignal High Voltage: 2-5VSignal Low Voltage: 0-0.45VSignal Period: 20msMechanical specificationsCasing Material: PA+AluminumGear Material: CopperBearing Type: Ball BearingOutput Shaft: 25T/5.9mmReduction Ratio: 1/275Gear Backlash: ≤0.5°Arm Backlash: 0°Output Shaft Screw: M3X6Other parametersMotor Noise: 45±5dBServo No-Load Noise: 60±5dBWaterproof Rating: IP54 (splash-proof)Electronic Protection: 8 seconds lock-upTemperature Protection: >70°CStorage Temperature: -30°C~80°COperating Temperature: -20°C~60°C ##ShippingList Metal Waterproof Servo - 20KG 180° x1Metal Servo Arm x1Servo Horn Accessories Pack x1
Jargon buster
Plain-language definitions for the technical terms used above.
- IP54
- An ingress protection rating meaning the enclosure has limited dust protection and is protected against water splashes from any direction. This matters because it gives a practical indication of how well the product may handle dusty or damp installations.
- potentiometer
- A variable resistor usually turned with a knob or shaft to create an adjustable electrical signal. It is often used for inputs such as volume, brightness or position, so it helps beginners learn how a microcontroller reads changing values.
- Pulse width range
- The span of control pulse lengths a servo understands, usually measured in microseconds. Matching this range in your code affects how far the servo moves and helps avoid commanding positions outside its intended travel.
- servo
- A servo is a motor with built-in position control, usually told to move to a specific angle by a control signal. It matters when you need repeatable movement, such as steering, arms, flaps, or linkages, rather than continuous spinning.
- Torque
- A twisting force that causes something to rotate, usually measured in newton-metres or kilogram-centimetres. It matters when choosing motors, servos, gears, and tools because higher torque is needed to lift heavier loads, turn larger wheels, or move mechanisms without stalling.
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