Product Overview
The XQ-S9350TTL is a 390 kg.cm ultra-heavy-duty smart serial bus brushless actuator engineered for the most demanding industrial robotics applications. Delivered on a 24.0–30.0V high-voltage platform and driven by a high-efficiency brushless motor paired with a toughened steel gear train, it converts electrical power into massive, precisely controlled rotary torque — the kind of force required to actuate the heavy joints of monster robotics, large-scale industrial arms, and high-payload motion platforms.
Unlike conventional servos that trade torque for speed, the XQ-S9350TTL maintains a full 12-bit magnetic encoder feedback loop across its entire 30V operating range, keeping angular positioning accurate even when the joint is fighting gravity and dynamic load. Its 390 kg.cm peak output at 30V places it firmly in the ultra-heavy-duty class, while the integrated TTL bus interface allows multiple actuators to be daisy-chained on a single control line for clean, scalable system integration.
For engineers designing heavy-duty robotics — from industrial manipulators and quadruped platforms to large-scale animatronics and material handling equipment — the XQ-S9350TTL delivers the torque density, structural rigidity, and intelligent feedback required to make enormous machines move with surgical precision.
Technical Specifications
| Parameter | XQ-S9350TTL |
|---|---|
| Model | XQ-S9350TTL |
| Dimensions | 68.0*35.0*120.0mm |
| Weight | 690g |
| Gear Material | Toughened Steel |
| Motor Type | Brushless (BLS) |
| Communication | TTL Bus |
| Operating Voltage | 24.0-30.0V |
| Position Sensor | 12-bit Magnetic Encoder |
Performance Matrix
| Operating Voltage | Stall Torque |
|---|---|
| 24V | 320 kg.cm |
| 28V | 360 kg.cm |
| 30V | 390 kg.cm |
Key Technical Highlights
1. Intelligent Daisy-Chain
Each XQ-S9350TTL exposes a full-duplex TTL serial interface that can be daisy-chained with dozens of other smart actuators on a single bus. Instead of running a dedicated PWM signal and power pair to every joint, engineers route one communication line through the entire machine and address each actuator by its own unique ID. The result is dramatically simplified harness design, lower moving mass, and a system that can be expanded or re-ordered without rewiring.
2. Real-Time Telemetry
The onboard controller continuously reports critical health and performance data — internal temperature, bus voltage, load status, and precise shaft angle — back to the host controller. This closed-loop visibility lets developers detect stall conditions, prevent thermal damage, and build adaptive motion algorithms that respond to what the machine is actually doing rather than what it was commanded to do.
3. Giant CNC Armour
The actuator is housed in a full CNC-machined 7075 aluminum case that provides exceptional structural rigidity for its class. This heavy-duty exoskeleton rigidly supports the output bearing and gear train, allowing the XQ-S9350TTL to absorb extreme mechanical shock and high-frequency vibration without flexing, cracking, or losing positional accuracy under load.
4. Heavy-Duty Drivetrain
Inside the case, a toughened steel gear train transfers torque from the high-efficiency brushless motor to the output shaft with minimal backlash. The hardened geartrain is engineered specifically for the enormous loads of 390 kg.cm operation, and the industrial output shaft — featuring a 25T-φ9.95mm spline interface — bolts directly into heavy-duty robotic arm hubs without exotic adapters.
5. Advanced TTL Serial Bus Protocol
Advanced TTL serial bus protocol enables complex daisy-chain configurations, significantly reducing cable clutter while providing real-time feedback on position, temperature, and load status.
Frequently Asked Questions
Yes. The full CNC 7075 aluminum case and toughened steel gear train are engineered to handle high-frequency vibrations and extreme mechanical shock without performance fade.
For complex monster robotics, TTL bus significantly reduces wiring clutter via daisy-chaining and provides mission-critical feedback like internal temperature and load status.
It uses a high-strength industrial output shaft with a 25T-φ9.95mm spline interface, ensuring compatibility with heavy-duty robotic arms.
As the original manufacturer, we offer tiered bulk pricing and custom firmware support. Use our technical consultation link below.
Take Action
Ready to put 390 kg.cm of intelligent torque into your next machine? Review the full specification and ordering options on the XQ-S9350TTL 390kg serial bus industrial actuator product page, or contact our engineering team for technical consultation, bulk OEM/ODM pricing, and custom firmware support.