Overview
The Flashhobby CLS3860MED is a CLS servo designed for high-torque RC and robotics use, featuring a coreless motor, programmable digital control, and a 14-bit magnetic encoder. It supports wide-voltage operation (DC 6.0–8.4V) and an IP67 water-resistant/waterproof case.
Key Features
- Programmable PWM digital amplifier
- 32-bit MCU with 14-bit magnetic encoder
- Coreless motor
- Steel gears; high-precision gear train
- Dual ball bearing supported output shaft (2BB)
- 25-tooth output spline
- Diamond-cut aluminum heat sink shell; full aluminum CNC case (CNC AL6061 aluminum case noted)
- Wide operating voltage: DC 6.0–8.4V
- Water resistant and waterproof case: IP67
- Mode compatible: Sanwa SSR/SUR, Flysky NB4 SFR, Futaba SR
Specifications
| Model | CLS3860MED |
| Control system | PWM control (1500usec in the central point) |
| Signal type | Digital control |
| Operation voltage range | DC 6.0–8.4V |
| Refresh rate | Compatible 50Hz–1000Hz |
| Pulse width | 500 to 2500 uSec |
| Operation temperature range | -20C ~ +70C |
| Cycle life | > one million times without load |
| Operation travel | 180° ± 5° |
| Programmable angle | YES |
| Direction (marked) | CW |
| Driver type | Mos Drive |
| Motor type | Coreless |
| Angle sensor | 14Bit Magnetic Encoder |
| Soft start function | Included |
| Mode compatible | Sanwa SSR/SUR; Flysky NB4 SFR; Futaba SR |
| Waterproof level | IP67 |
| Gear | Steel gears |
| Case material | Full aluminum CNC (CNC AL6061 aluminum case noted) |
| Dimensions | 40 x 20 x 38 mm |
| Weight | 78.8 g (without servo horn) / 80 g (spec sheet) |
| Output spline | 25-Tooth |
| Ball bearing | 2BB |
| Dead band width | 2 uSec |
| Speed @ 6.0V | 0.18 sec/60° |
| Speed @ 7.4V | 0.16 sec/60° |
| Speed @ 8.4V | 0.14 sec/60° |
| Torque @ 6.0V | 48.0 kg-cm / 528 oz-in |
| Torque @ 7.4V | 56.0 kg-cm / 625 oz-in |
| Torque @ 8.4V | 60.0 kg-cm / 694 oz-in |
| Running current @ 6.0V | 3400 mA |
| Running current @ 7.4V | 4300 mA |
| Running current @ 8.4V | 5000 mA |
| Connector / lead | JR plug; 22AWG 260 mm JR (spec sheet) / 300MM JR plug (listed) |
| Wire info | Black: Negative; Black: Positive; White: S Single |
Programmable Functions
- End point adjustments
- Direction
- Fail safe
- Dead band
- Speed (slower)
- Soft start rate
- Overload protection
- Data save / load
- Program reset
For compatibility questions (Sanwa/Flysky/Futaba modes), wiring guidance, or after-sales support, contact support@rcdrone.top or visit https://rcdrone.top/.
Details

The Flashhobby CLS3860MED digital coreless servo features a compact metal case with a 60KG marking and top spline output for RC setups.

The Flashhobby CLS3860MED coreless servo features an IP67 water-resistant case and includes dimension diagrams for planning your mount.

Flashhobby CLS3860MED coreless servo features an IP67-rated aluminum heat-sink case and supports Sanwa SSR, NB4, and Futaba modes for easier setup.

The Flashhobby CLS3860MED digital servo uses a 25-tooth output spline and comes with multiple servo horns and mounting hardware for installation.

The Flashhobby CLS3860MED programmable digital coreless servo lists IP67 waterproofing, 6.0–8.4V operation, 14-bit magnetic encoder, and 40×20×38mm dimensions.
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