COMPONENT

AXR 8812 MG-D

Name: Zhuhai SV Tech Co., Ltd. AXR 8812 MG-D
Brand: Zhuhai SV Tech Co., Ltd.

The Zhuhai SV Tech Co., Ltd. AXR 8812 MG-D is a compact PWM servo for steering, control surfaces and mechanical actuation. It combines a coreless motor, stainless steel gears and two bearings, operates at 4.8–8.4 V, and weighs 28.7 g. At 8.4 V, rated torque is 5.5 kg·cm; stall torque is 15 kg·cm.

AXR 8812 MG-D servo with black and purple housing, output shaft and wiring

ProductAXR 8812 MG-D standard servo for model steering, control surfaces and mechanical actuation

Operating voltage4.8–8.4 V

Performance at 4.8 VStall torque: 10 kg·cm; no-load speed: 0.158 s/60°; running current: 0.11 A; stall current: 1.3 ATest voltage: 4.8 V.

Performance at 6 VStall torque: 12 kg·cm; no-load speed: 0.136 s/60°; running current: 0.16 A; stall current: 1.5 ATest voltage: 6 V.

Performance at 7.4 VStall torque: 13 kg·cm; no-load speed: 0.111 s/60°; running current: 0.18 A; stall current: 2.2 ATest voltage: 7.4 V.

Performance at 8.4 VStall torque: 15 kg·cm; no-load speed: 0.096 s/60°; running current: 0.32 A; stall current: 3.5 ATest voltage: 8.4 V.

Product overview

Zhuhai SV Tech Co., Ltd.’s AXR 8812 MG-D is a standard servo for model steering, control-surface movement and mechanical actuation. Its physical configuration combines a coreless motor, stainless steel gears and two bearings in a 30 × 10 × 35.2 mm envelope weighing 28.7 g. A 250 mm cable provides the connection reach. Integration requires matching the mounting holes, servo-arm connection, supply and PWM signal, with control specified at 333 Hz across an allowed supply range of 4.8–8.4 V.

At 8.4 V, the servo has a specified stall torque of 15 kg·cm and no-load speed of 0.096 s/60°, while rated torque is 5.5 kg·cm. Continuous-load selection must account for rated torque and duty cycle, and the supply needs headroom for transient current. The pulse mapping lists 1500 µs at zero degrees alongside a separate 1520 µs reference pulse, so center and usable travel depend on the controller and delivered version. Mount fabrication also requires the final installation drawing because dimensional reference points can differ.

Specifications

Specification	Value & conditions
Product	AXR 8812 MG-D standard servo for model steering, control surfaces and mechanical actuation
Operating voltage	4.8–8.4 V
Performance at 4.8 V	Stall torque: 10 kg·cm; no-load speed: 0.158 s/60°; running current: 0.11 A; stall current: 1.3 A Test voltage: 4.8 V.
Performance at 6 V	Stall torque: 12 kg·cm; no-load speed: 0.136 s/60°; running current: 0.16 A; stall current: 1.5 A Test voltage: 6 V.
Performance at 7.4 V	Stall torque: 13 kg·cm; no-load speed: 0.111 s/60°; running current: 0.18 A; stall current: 2.2 A Test voltage: 7.4 V.
Performance at 8.4 V	Stall torque: 15 kg·cm; no-load speed: 0.096 s/60°; running current: 0.32 A; stall current: 3.5 A Test voltage: 8.4 V.
Rated torque	5.5 kg·cm @ 8.4 VSupply voltage: 8.4 V.
Overall dimensions	30 × 10 × 35.2 mm
Weight	28.7 g
Motor type	Coreless motor
Gear material	Stainless steel gears
Bearing count	2
Cable length	250 mm
Control signal	PWM
Operating frequency	333 Hz
Reference pulse width	1520 µs
Pulse width and corresponding angle	500 / 1500 / 2500 µs → -90 / 0 / 90°
Center and travel qualification	The 1520 µs reference pulse and 1500 µs position midpoint are both specified; center and usable travel must be established for the controller and delivered version.Controller and delivered servo version.
Torque limitation	Stall torque is not a continuous-load rating; continuous-duty selection must account for rated torque and duty cycle.Continuous-load operation.
Voltage coverage limitation	The operating-voltage range defines permitted supply voltage.
Mounting dimensions qualification	Drawing and specification dimensions may use different reference points; mounting parts require the final installation drawing and interface version.Mount fabrication and interface version.

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