The Kpower HBL150 is an HV brushless digital servo for RC aircraft, desktop robot arms and other angular-positioning mechanisms. Metal gearing and an aluminum mid case support its mechanical construction. Its voltage-specific performance is 14.5 kg·cm and 0.13 s/60° at 6.0 V, or 16.6 kg·cm and 0.12 s/60° at 7.4 V, helping buyers match movement speed and torque to their supply voltage.
Features
Brushless motor with high-precision metal gears; classified as a high-torque model in the HBL series.
Aluminum mid case and two ball bearings.
Potentiometer position sensing and a 25T, Ø6 mm horn spline.
HBL-series service-life claim of up to one million cycles; operating and test conditions are not specified.
Specifications
Voltage-Dependent Performance
Parameter
At 6.0 V
At 7.4 V
Torque
14.5 kg·cm
16.6 kg·cm
Speed
0.13 s/60°
0.12 s/60°
Construction and Operating Parameters
Parameter
Specification
Brand / model
Kpower HBL150
Servo type
HV brushless digital servo
Dimensions
40 × 20 × 39.4 mm
Weight
65 g
Operating voltage
4.8–8.4 V
Travel angle range
120° / 180°; customizable travel specification
Horn gear spline
25T, Ø6 mm
Gear material
Metal
Motor
Brushless
Listed control protocols
PWM, TTL and RS-485
No-load current
2500 mA
Position sensor
Potentiometer
Case construction
Aluminum mid case; aluminum alloy listed as the case material
Ball bearings
2BB
Working frequency
50–333 Hz
Operating temperature
−10 to 50 °C
IP rating
IP42
Applications
RC aircraft and UAV mechanisms: drive angular linkages using the voltage-specific torque and speed values to size the mechanism.
1/5-scale RC cars and 600H RC helicopters: actuate control linkages with metal gearing and a 25T, Ø6 mm output spline.
Desktop robot arms and STEAM projects: move articulated joints or demonstrate angular positioning with potentiometer feedback.
Industrial automation: position small levers, linkages and other rotary mechanisms using the brushless servo drive.
Smart-bidet and medical-device mechanism development: provide angular actuation for mechanical assemblies.
Underwater-robot internal mechanisms: provide angular actuation inside an enclosure that keeps the servo dry; the IP42 rating does not establish suitability for immersion.
The Kpower HBL150 is labeled as an HV brushless digital servo.The HBL-series panel claims a lifespan of up to one million cycles without specifying test conditions. The HBL series is described as using a high-torque brushless motor.Custom servo development graphic with shaft, gear, housing and connector examples
Options and Model Comparison
The chart lists dimensions of 40 × 20 × 39.4 mm for the HBL045, HBL090, HBL150, HBL200 and HBL300 group. The chart lists a weight of 65 g for the HBL045, HBL090, HBL150, HBL200 and HBL300 group.
Specifications and Performance
HBL150 delivers 14.5 kg·cm torque at 6.0 V. HBL150 delivers 16.6 kg·cm torque at 7.4 V.General servo-selection reference for angles, speeds, voltage categories and dead bandsCLS88WP speed and current versus torque chart at 7.4 V with operating-duration guidance
Additional Product Details
Five servo-horn shapes labeled Flat, Cross, Round, Star and SingleODM service workflow from needs assessment through design, sampling and mass production
Setup and Use
Servo pulse-width reference diagram relating five input pulses to output shaft anglesExploded servo assembly with component labels and a checklist of servo selection factors
Interfaces and Connections
Three-wire servo connector diagram identifying brown ground, red Vcc and orange signal
Application Examples
Kpower application grid covering household robots, automation, RC models, drones and other industries