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AGFRC
AGFRC A81FHM 74Kg High Torque Brushless Servo
In stock: ships within 2 business days.
Low stock: lead time confirmed upon order.
Delivery: 4–9 days after shipment.
AGFRC A81FHM is a programmable 4.8 to 8.4 V digital servo with a 4 pole brushless motor, 220 degree mechanical angle, and 74 kg cm maximum stall torque for high load RC steering and actuation
➤ The AGFRC A81FHM is a high torque digital brushless servo designed for high load RC steering and mechanical actuation. Operating from 4.8 to 8.4 V, it delivers up to 74 kg cm of stall torque at 8.4 V and reaches 0.125 sec per 60 degrees at 8.4 V. Its 4 pole brushless motor, FET drive, programmable PWM control, 333 Hz refresh rate, and 2 μsec dead band support strong and responsive position control.
➤ The servo uses high strength steel gears, an aluminum case, four metal ball bearings, and a 25T 5.92 mm spline in a compact 40 x 20 x 38 mm body. With 180 degree plus or minus 10 degree operating travel and a 220 degree mechanical angle, the AGFRC A81FHM is suited to high load steering, braking, throttle, and linkage systems where voltage, torque, travel, mounting, and environmental requirements are properly matched
Main Features
● 4.8 to 8.4 V high voltage operation
● Up to 74 kg cm stall torque at 8.4 V
● 0.125 sec per 60 degrees speed at 8.4 V
● 4 pole brushless motor with FET drive
● Programmable digital PWM control
● 333 Hz refresh rate and 2 μsec dead band
● 220 degree mechanical angle with 180 degree plus or minus 10 degree travel
● Steel gears aluminum case four ball bearings and 25T spline
Applications
➤ Recommended 1/8 scale high load RC cars and trucks for steering braking throttle and heavy linkage actuation where 4.8 to 8.4 V power and up to 74 kg cm stall torque are required and installation compatibility must be confirmed.
Specifications
Operating Voltage
4.8V - 8.4V
Temperature Range
-15°C - +70°C
Refresh Rate
1520 µS / 333Hz
Travel Angle
180 ± 10°
Programmable
Yes
Case Material
Aluminum
Gear Material
Strength Steel
Sensor Type
Potentiometer
Motor Type
4-Pole Brushless
Bearing
4BB
Direction
CCW
Horn Gear Spline
25T-ɸ5.92 mm
Wire
TYU 300mm / 22AWG
Wire Color
Dimensions
40*20*38 mm (1.57 × 0.79 × 1.50 in)
Weight
85 g (3.0 oz)
Operating Speed
0.190 sec/60° @4.8V
0.165 sec/60° @6.0V
0.135 sec/60° @7.4V
0.125 sec/60° @8.4V
Stall Torque
45 kg·cm (625 oz·in) @4.8V
55 kg·cm (764 oz·in) @6.0V
65 kg·cm (903 oz·in) @7.4V
74 kg·cm (1028 oz·in) @8.4V
Package Includes
● 1 x A81FHM Servo
● 1 x 25T Metal Horn
● 2 x 25T Plastic Horn
● 4 x M3*12mm Screws
● 1 x M3*8mm Screw
● 2 x M2*8mm Screws
● 4 x 9*6.9*5.6mm Rubber Pads
● 4 x φ6*φ3.5*5mm Copper Sleeves
● 1 x AGFRC Logo Sticker
➤ Perhaps you will need a spec datasheet or other related documents of the products. If there is a download button, it means you can simply click to download. We will continuously update the latest files for each product.
➤ If you do not find the file you want, please feel free to contact shopping@agfrc.com directly.
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