• Gray servo motor viewed from the left corner, with horizontal housing fins, mounting ears, and a silver output hub.
  • Servo motor from the right corner, showing the top output hub, finned gray housing, and reinforced mounting bracket.
  • Narrow end of the gray servo showing a metal cable entry fitting, housing fins, mounting holes, and circular output hub.
  • Diagonally tilted servo with a silver circular output hub, broad gray face, side fins, and mounting holes at both ends.
  • Horizontal gray servo with the circular output hub on the left, fins across the top, and mounting holes on the right.
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Kpower HB400T Brushless Servo Motor, 24–32 V, 400 kg·cm Stall Torque for Large Drones

Kpower HB400T Brushless Servo Motor, 24–32 V, 400 kg·cm Stall Torque for Large Drones

Kpower

$2,341.00 USD
$2,341.00 USD
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Overview

The Kpower HB400T is a brushless servo motor for large fixed-wing drones, landing-gear mechanisms, robotics and industrial automation. Its model-specific performance figures are 400 kg·cm stall torque and 0.18 s/60° no-load speed at 24 V. A magnetic encoder provides position sensing, while steel gearing and an aluminum-alloy case form the mechanical construction. The operating supply range is 24–32 V, with PWM, TTL and RS-485 listed as control protocols.

Features

  • Brushless motor with magnetic-encoder position sensing.
  • CNC steel gearing and an aluminum-alloy case.
  • Finned housing with mounting ears and a circular output flange with multiple attachment holes.
  • Six ball bearings, specified as 6BB.
  • 120° travel angle, with customization stated for the travel range.
  • PWM, TTL and RS-485 control protocols.

Specifications

Parameter HB400T specification
Stall torque 400 kg·cm at 24 V
Rated torque 100 kg; torque-length unit not specified
No-load speed 0.18 s/60° at 24 V
Weight 755 g
Dimensions 100 × 51 × 79.8 mm
Travel angle range 120°; customizable
Operating voltage 24–32 V
Horn gear spline N/A
Gear material Steel; CNC gearing
Motor Brushless
Protocol PWM | TTL | RS-485
No-load current 4000 mA
Position sensor Magnetic encoder
Case material Aluminum alloy
Ball bearings 6BB
Working frequency 50–333 Hz
Operating temperature −10 to 50 °C
IP rating IP42

Applications

  • Large fixed-wing drones: Actuate control linkages using magnetic-encoder position sensing and a specified no-load speed of 0.18 s/60° at 24 V.
  • Large-drone landing gear: Drive deployment and retraction linkages with steel gearing and a flanged output for mechanical attachment.
  • Service and commercial cleaning robots: Position articulated mechanisms using the 120° travel range and magnetic-encoder feedback.
  • Industrial automation: Operate positioning linkages using the listed PWM, TTL or RS-485 control protocols.
  • Logistics AGV vehicles: Actuate onboard mechanisms with a 24–32 V servo supply and brushless motor construction.

Documents

Product Videos

Visual Details

Product Video

Application Examples

Finned servo housing and output flange beside aircraft and industrial application panels
The servo is promoted for large-scale drone applications. The servo is promoted for special aircraft applications.
Kpower drive and control application collage across robotics and other industries
Kpower application collage covering robotics, automation, drones, agriculture and other industries

Features and Design

Brushless motor and CNC steel gearing feature graphic with a low-temperature claim
The servo supports operation at −40°C; no upper temperature limit is specified. The servo uses a high-torque brushless motor.
Custom servo development graphic with mechanical, connector and protocol examples
Custom servo development graphic with mechanical, connector and protocol examples

Specifications and Performance

HB400T specification panel with torque, speed, dimensions, weight and position sensor
The servo model is HB400T. The HB400T torque is 400 kg.cm at 24 V.
General servo-selection reference for angles, speeds, voltages and dead bands
General servo-selection reference listing rotation angles, speed, voltage categories and analog and digital dead bands

Additional Product Details

Servo-horn shape reference labeled Flat, Cross, Round, Star and Single
Five servo-horn shapes labeled Flat, Cross, Round, Star and Single
ODM service workflow from requirements assessment through mass production
Product-oriented ODM service workflow from requirements assessment to mass production

Setup and Use

Generic pulse-width diagram mapping 0.5–2.5 ms pulses to shaft angles
Generic servo pulse-width diagram mapping 0.5–2.5 ms pulses to −90° through 90° shaft positions
CLS88WP torque, speed and current chart with operating-duration guidance
CLS88WP torque, speed and current chart with operating-duration guidance
Exploded servo anatomy and checklist of materials, motors, sensors and protocols
Exploded servo anatomy diagram beside a checklist of materials, motors, sensors and protocols

Interfaces and Connections

Generic three-wire connector reference with brown ground, red supply and orange signal
Three-wire servo connector diagram identifying brown ground, red Vcc and orange signal

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