D-RC 3050S 50A 6S ESC: Lightweight Racing Drone Power
Built for Compact, High-Current FPV Racing Builds
The D-RC 3050S 50A 6S ESC is a compact four-channel electronic speed controller for racing drones and other lightweight multirotor systems. It supports 50A continuous current per channel, while instantaneous current reaches 55A per channel. Therefore, it is designed for power systems that demand responsive control in a small installation area. The board accepts 3–6S LiPo input and supports several throttle protocols, including 150/300/600/1200, MultiShot, OneShot, ProShot, and PWM. In addition, onboard ammeter support helps compatible flight controllers monitor power use. The H-H50 firmware provides the listed control platform for this racing drone ESC. At just 10.4 g, the board also helps builders manage overall aircraft weight. Its external dimensions are listed as 40 × 40.7 mm, with M3 mounting holes spaced 30.5 × 30.5 mm. Meanwhile, the product diagrams show a slim 0.5 mm board profile and clearly marked motor outputs from 1 through 4. As a result, builders can identify the four motor connections and the 3–6S power input more easily during installation. The board uses a dense black PCB layout with gold-colored solder pads, four corner mounting holes, and visible MOS components. However, the specification table states that electric control rotation, or reversible motor direction, is not supported. This detail is important when planning a new build. Overall, the D-RC 3050S combines a lightweight format, high current capability, broad protocol support, and practical connection markings for demanding FPV applications.
D-RC 3050S 50A 6S ESC Specifications
First, the core specifications make the D-RC 3050S suitable for compact racing drone power systems. The four-channel design provides separate motor outputs labeled 1, 2, 3, and 4. Additionally, printed polarity markings identify the source positive and negative terminals. This layout can simplify wiring checks before power is applied.
| Model | D-RC 3050S / RC 3050S |
| Continuous maximum current | 50A ×4 |
| Instantaneous maximum current | 55A ×4 |
| Input voltage | 3–6S LiPo |
| Firmware | H-H50 |
| Weight | 10.4 g |
| External dimensions | 40 × 40.7 mm |
| Mounting holes | M3, 30.5 × 30.5 mm |
| Onboard ammeter | Supported |
| Reversible motor direction | Not supported |
Protocol Support for Flexible Flight Controller Setups
The D-RC 3050S supports a broad range of electric dispatch and throttle protocols. These include 150, 300, 600, and 1200 modes, plus MultiShot, OneShot, ProShot, and PWM. Consequently, builders have more flexibility when pairing the ESC with a compatible flight controller. The onboard ammeter adds another practical advantage. It can support real-time power monitoring when used with compatible electronics. As a result, pilots can better understand current draw during testing and flight preparation.
The product specifications state that electric control rotation is not supported. Therefore, confirm motor-direction requirements before installation.
Compact Board Design for Racing Drone Installation
The board uses a small, densely populated layout that suits space-conscious builds. Four corner mounting holes support the M3 30.5 × 30.5 mm installation pattern. Furthermore, the visible solder pads and labeled connections help builders plan a clean installation. The product imagery shows motor outputs marked 1 through 4, alongside signal labels S1, S2, S3, and S4. It also identifies VB, GND, and NC connection points. Meanwhile, the size diagram shows approximately 40 mm width, 37 mm height, 0.5 mm thickness, and an 18 mm dimension near the lower power-terminal area. The separate specification listing gives the external size as 40 × 40.7 mm. Because both measurements appear in the product materials, builders should allow enough clearance for the listed external dimensions.
- Four motor outputs are clearly numbered for easier wiring identification.
- Gold-colored solder pads provide visible connection areas around the PCB.
- The lightweight 10.4 g design supports weight-conscious racing builds.
- The board supports 3–6S LiPo systems for varied power configurations.
Included Accessories and Practical Build Planning
The product materials show a useful set of installation accessories. The packing list includes one 3050S board, one XT60 power cord, four nuts, four M3 × 8 shock-absorbing balls, four M3 × 25 mm metal screws, and one 8-pin SH1.0 connection cable. In addition, a 1000 µF 35 V capacitor is included. This accessory set can help builders prepare the basic hardware before assembly. Nevertheless, always verify the wiring and polarity markings on the board. Then, check the battery voltage and mounting clearance before connecting a LiPo battery.
Choose this racing drone ESC when you need four channels, 3–6S LiPo support, high current capacity, and a lightweight installation format.
In conclusion, the D-RC 3050S offers a focused combination of current handling, protocol compatibility, compact dimensions, and labeled connections. Its 10.4 g weight is well suited to lightweight flight setups. At the same time, the 50A ×4 continuous rating and 55A ×4 instantaneous rating provide substantial capacity for demanding four-motor systems. Review the electrical limitations carefully, especially the lack of reversible motor-direction support, before choosing it for your build.
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https://uavauto.com/product/d-rc-3050s-50a-6s-blheli-s-blue-j-for-racing-drone/
