DS51150 150kg 180 Degrees High Torque Servo IP65

Specifications

• Model: DS51150 Digital Standard Servo
• Operating Voltage: 10V - 12.6V DC (High Voltage)
• Torque: 150 kg-cm
• Rotation Angle: 180°
• Gear Material: Metal
• Bearing Type: Dual Ball Bearings
• Enclosure: CNC Aluminum Middle Shell
• Water & Dust Resistance: IP65 Rated
• Idle Current: 4mA - 6mA (at stopped)
• Operating Temperature Range: -10℃ to 50℃
• Connector Wire Length: 300mm ±5mm
• Weight: 158g

Applications

• Advanced Robotics: Joint articulation for human-scale humanoid robots, hexapods, and heavy robotic arms.
• Automated Manufacturing: Actuators for factory sorting lines, automated pressing, and packaging machines.
• Electric Mobility: Steering columns for custom electric go-karts, large RC cars (1/5 scale), and autonomous agricultural rovers.
• Medical Equipment: Positioning drives for heavy hospital beds or automated physical therapy assistance devices.

Features:

• High-performance digital  standard servo
• High-precision metal gears with hard anodizing
• CNC aluminum middle Shell
• Dual ball bearings

Unlock New Capabilities

• The Past: You've probably mastered basic robotics using smaller 9g micro servos or standard MG996R (10-15kg) servos for lightweight pan-tilt cameras or small bipedal walkers.
• The Upgrade: The DS51150 unlocks high-capacity heavy lifting. You can now build robots capable of lifting actual payloads, steering ride-on vehicles, or operating valves in industrial plumbing systems.
• The Effort Level (Advanced): Getting this running requires more than just an Arduino. You MUST design a robust power delivery system, as drawing peak stall current from this beast will instantly shut down weak power supplies.

Virtual Technician & Wiring Guide

• ⚠️ CRITICAL POWER WARNING: Do NOT attempt to power this servo from a 5V source, and absolutely do not draw power from an Arduino or ESP32 5V pin. This is a High-Voltage (HV) servo requiring 10V to 12.6V directly from a 3S LiPo battery or a dedicated high-current switching power supply.

To protect your logic controllers, this product is documented under our Probots Logic-Safe  guidelines. Always isolate the power circuit from the logic circuit.

• Red Wire: VCC (Connect to 10V - 12.6V DC Positive)
• Black/Brown Wire: GND (Connect to Power Supply Ground AND Microcontroller Ground)
   

Package Included:

• 1 x DS51150 150kg 180 Degrees High Torque Servo IP65

Frequently Asked Questions (FAQ)

• What is the operating voltage for the DS51150 servo?
  It requires a High Voltage (HV) input of 10V to 12.6V DC.
• Can I power this servo with a standard 5V or 6V BEC?
  No, 5V or 6V is insufficient. It must be powered by a 10-12.6V source, such as a 3S LiPo battery.
• What does 150kg-cm torque mean in practical terms?
  It means the servo can lift or hold a 150 kg weight when suspended 1 centimeter away from the center of the servo shaft.
• Is the DS51150 servo waterproof?
  It has an IP65 rating, meaning it is dust-tight and protected against low-pressure water jets (splashes/rain), but it cannot be fully submerged underwater.
• How many degrees can this servo rotate?
  This specific model is the 180-degree version.
• Can I control this with an Arduino?
  Yes, the PWM signal wire can be controlled by an Arduino, but the servo's power must come from a separate 12V power supply.
• Can I control this with an ESP32 or Raspberry Pi (3.3V logic)?
  Yes, most high-voltage digital servos will accept a 3.3V PWM signal, but testing with a logic level shifter is recommended for optimal stability.
• What material are the internal gears made of?
  The gears are made of high-precision, hard-anodized metal to prevent stripping under heavy loads.
• Does it use ball bearings?
  Yes, it features dual ball bearings on the output shaft for smooth rotation and to reduce wear.
• What is the idle current of this servo?
  When stopped and holding no active load, it draws a very low 4mA to 6mA.
• What is the stall current of the DS51150?
  While not explicitly rated in the idle specs, high-torque 12V servos of this size can draw upwards of 3A to 5A under maximum stall conditions. Ensure your power supply can handle this.
• Can it be used for continuous rotation?
  No, this is a position-controlled servo limited to 180 degrees of movement.
• What is the PWM frequency required?
  It operates on standard servo PWM signals, typically 50Hz (20ms period) with pulse widths between 500µs and 2500µs.
• Why does the servo jitter when turning?
  Jittering is almost always caused by an insufficient power supply that cannot provide the required current spikes, or a lack of a common ground between the power supply and microcontroller.
• What is the middle shell made of and why?
  The middle shell is CNC machined aluminum, which acts as a heatsink to dissipate heat generated by the motor during high-load operations.
• Is this an analog or digital servo?
  This is a high-performance digital servo, offering faster response times and better holding torque than analog equivalents.
• How long is the connector wire?
  The wire length is 300mm (±5mm).
• What type of connector does the servo use?
  It uses a standard 3-pin "JR/Dupont" style connector (Signal, VCC, Ground).
• Can I use this for a 1/5 scale RC car steering?
  Yes, its 150kg torque and 12V compatibility make it an excellent choice for massive 1/5 scale or custom RC vehicles.
• Does it come with servo horns?
  Yes, it comes packaged with standard mounting accessories including a servo horn and screws.