1. Introducció
The HOBBYWING Quicrun Fusion SE 540 Spec 1200KV is an integrated brushless motor and electronic speed controller (ESC) system designed for RC crawlers. This innovative 2-in-1 design significantly reduces overall volume and weight, simplifying vehicle layout and wiring. It features FOC (Field-Oriented Control) driving mode for strong low-speed torque and smooth operation, surpassing common sensored brushless systems. The system boasts high efficiency, minimal heat generation, and extended endurance times.
With an IP67 protection rating, the Fusion SE is waterproof and dustproof, allowing for reliable operation in diverse weather conditions and challenging terrains, including mud, ice, snow, and water. Advanced features such as intelligent torque output, speed closed-loop control, and active drag brake force adjustment enhance the driving experience, providing precise control comparable to 1:1 vehicles.

Figure 1: The HOBBYWING Quicrun Fusion SE 540 Spec 1200KV integrated motor and ESC unit.
2. Què hi ha a la caixa
- 1x Quicrun Fusion SE integrated motor and ESC
- 1x Programmer Cable
- 1 x manual d'usuari
- 1x cinta de doble cara
- 2x Corbates amb cremallera
3. Característiques del producte
- Disseny integrat: The ESC and motor are combined into a single unit, reducing overall volume and weight for simpler car frame layout and wiring. The total length is 58mm, offering a smaller footprint for easier assembly.
- Mode de conducció FOC: Utilizes Field-Oriented Control for strong low-speed torque and smooth, quiet operation, outperforming common sensored brushless systems. High efficiency extends endurance time.
- Intelligent Torque Output & Speed Closed-Loop Control: Provides cruise control and steep slope slow descent functions, similar to 1:1 vehicles, for enhanced control.
- Active Drag Brake: Features 8 gears of drag brake force and 9 gears of drag brake acceleration adjustment, offering strong ramp parking capability. Maximum drag brake force is approximately twice that of ordinary brushless systems.
- Interruptor electrònic: Reliable electronic switch design ensures a longer lifespan and prevents damage from heavy impact or harsh surfaces.
- IP67 impermeable i resistent a la pols: The entire system is protected against water and dust, allowing operation in muddy, sandy, icy, snowy, and wet conditions.

Figure 2: The integrated design of the Fusion SE, highlighting the compact motor and ESC components.

Figure 3: The Fusion SE's unmatched hill holding capability with 8 levels of drag brake force and 9 levels of drag brake rate adjustment.

Figure 4: The IP67 waterproof and dustproof protection ensures reliability in various conditions.
4. Especificacions
| Especificació | Valor |
|---|---|
| Número de model | 30404318/30404317 |
| Dimensions del producte | 4.25 x 2 x 3 polzades |
| Pes de l'article | 8.8 unces |
| Edat recomanada | 3 anys i més |
5. Configuració i instal·lació
The HOBBYWING Quicrun Fusion SE features an integrated motor and ESC, simplifying the installation process. Ensure all connections are secure and properly insulated to prevent short circuits or damage.
5.1 Cablejat
Connect the motor/ESC unit to your receiver and battery. The integrated design minimizes wiring complexity. Ensure the power wires are routed away from moving parts to prevent damage.
5.2 Port de programació
The electronic switch includes an independent interface for connecting the LED program box. This allows for convenient parameter adjustments. Always ensure the rubber cap is securely placed over the programming port when not in use to maintain IP67 waterproofing.

Figure 5: The Fusion SE unit showing the integrated wiring and programming port.
6. Instruccions de funcionament
The Fusion SE offers advanced operating modes and customizable parameters for optimal performance in various driving scenarios.
6.1 FOC Driving Mode
The FOC driving mode provides exceptional control at low speeds, with strong torque and quiet operation. This mode is ideal for precise crawling and technical driving.
6.2 Drag Brake Adjustment
The active drag brake system allows for fine-tuning of the drag brake force (8 levels) and acceleration rate (9 levels). This enables superior hill-holding capabilities and precise control on inclines. Parameters can be adjusted via the LED program box.
6.3 BEC Voltage
The built-in BEC (Battery Eliminator Circuit) provides a stable power supply for your receiver and servos. It supports output voltages of 6V, 7.2V, and 8.4V, allowing compatibility with a wide range of high-power servos.
6.4 Multiple Protection Functions
The ESC includes several protection features to safeguard the system: battery low voltage protection, overheat protection, throttle lost protection, and motor lock-up protection. Refer to the user manual for detailed information on these functions and their settings.
7. Manteniment
The HOBBYWING Quicrun Fusion SE is designed for durability with its IP67 waterproof and dustproof rating. To ensure longevity and optimal performance, follow these maintenance guidelines:
- Impermeabilització: While the system is IP67 rated, it is recommended to rinse the unit with fresh water after running in muddy or wet conditions. Ensure the programming port's rubber cap is always securely in place when not in use.
- Neteja: Regularly clean the motor and ESC unit to prevent dirt and debris buildup, which can affect performance and heat dissipation.
- Emmagatzematge: Store the unit in a dry, cool place away from direct sunlight and extreme temperatures.
8. Solució De Problemes
If you encounter any issues with your Quicrun Fusion SE, please refer to the detailed troubleshooting guide in the comprehensive user manual provided with the product. The manual contains charts and explanations for all programmable items and their default values or available options. This is your primary resource for resolving operational discrepancies.
Common issues and their solutions are typically found by referencing the programming card settings. Ensure your programming card is updated with the correct settings for your specific Fusion SE model.
9. Garantia i Suport
For detailed warranty information, including coverage period and terms, please consult the official HOBBYWING website or the warranty card included with your product. HOBBYWING provides customer support for product-related inquiries and technical assistance. Please retain your proof of purchase for any warranty claims.
For further assistance, contact HOBBYWING North America customer service directly or visit their official support channels.





