BLS4355 Brushless Digital Servo Motor 55KG 270 Degree Full Metal Gear HV

BLS4355 Brushless Digital Servo – 55KG | 270° | Full Metal Gear | HV

The BLS4355 270° is a premium brushless digital servo delivering a commanding 55kg/cm torque output with an extended 270° rotation range. Built with a brushless motor core, a full metal gear train, and high-voltage compatibility, it offers the perfect combination of raw power, wide travel, and precision for large-scale RC aircraft, heavy robotic systems, and demanding automation platforms. The brushless motor eliminates brush wear, runs cooler under sustained load, and responds faster than conventional brushed servos – giving you a servo that performs at its peak, every time.

Key Specifications

• Model: BLS4355
• Type: Brushless Digital Servo (High Voltage)
• Torque: 55 kg/cm (at 8.4V)
• Rotation Angle: 270°
• Gear Material: Full metal gears
• Motor Type: Brushless
• Control Signal: PWM digital signal
• Operating Voltage: 5V – 8.4V (HV compatible)
• Connector: Standard JR/Futaba compatible

Key Features

• Brushless motor core – faster response, higher efficiency, and longer lifespan vs brushed servos
• 55kg/cm torque at 8.4V – exceptional power for large-scale RC and heavy robotic applications
• 270° rotation range for wider control surface deflection and extended robotic joint movement
• High-voltage (HV) compatible – connect directly to 2S LiPo without voltage regulation loss
• Full metal gear train for maximum durability under extreme and sustained loads
• Digital control for precise positioning, minimal deadband, and strong holding torque
• Robust aluminium case for heat dissipation and structural rigidity

Applications

• Large-scale RC aircraft (main control surfaces, retract systems)
• Heavy-lift drones and UAV platforms
• Robotic arms and heavy-duty joints
• Industrial automation and motion control
• Pan-tilt systems and heavy camera gimbals