SKU: DRFC-2941
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CAELUS FA3115 400KV Brushless Motor

₹2,399.00 (Inclusive of all taxes)
Out of Stock

The CAELUS FA3115 is a 400KV brushless motor engineered for heavy-lift and professional UAV platforms, featuring a 12N14P design, a 5mm shaft, and compatibility with 9–10 inch propellers on 12S Li-ion/LiPo power systems.

Features

  • 400KV rating optimized for 12S Li-ion/LiPo battery systems.
  • 31x15mm stator size delivers high torque and up to 4.81 kg of maximum thrust.
  • Precision-balanced 12N14P design ensures smooth operation and minimal vibration.
  • Features a 5mm shaft diameter and a 19mm PCD mounting pattern with 4x M3 holes.
  • Lightweight 115g construction with integrated 18AWG 250mm power leads for simplified installation.

Out of stock

Description

The CAELUS FA3115 400KV brushless motor is engineered for demanding professional and heavy-lift multirotor applications. Its 31x15mm stator and 12N14P magnetic configuration provide a robust foundation for generating high torque and efficient power conversion, delivering up to 1982W of peak power. This design ensures stable RPM under load and excellent thermal management for sustained flight operations.

With a maximum thrust output of 4.81 kg when paired with 9–10 inch tri-blade propellers, this motor is ideal for heavyweight FPV rigs, cinematic drones, and industrial UAVs requiring reliable airborne stability. The motor’s 5mm hardened steel shaft and Ø19mm PCD mounting pattern offer broad compatibility with standard propeller adapters and motor mounts, facilitating integration into a wide range of frame designs.

Key Features

  • High-torque 400KV design optimized for 12S voltage operation.
  • 12N14P internal structure for smooth rotation and efficient power delivery.
  • Precision-machined components and dynamic balancing for minimal vibration.
  • Robust 31x15mm stator provides sustained performance and efficient heat dissipation.
  • Lightweight 115g aluminum alloy housing for an optimized power-to-weight ratio.
  • Integrated 18AWG silicone wires (250mm length) simplify power system connections.
  • 5mm hardened steel shaft ensures durability and compatibility with large propellers.
  • Ø19mm PCD mounting pattern with 4x M3 threaded holes for secure frame attachment.

Applications

  • Heavy-lift cinematic drones requiring stable payload carriage.
  • Professional FPV racing rigs designed for 12S power systems and large propellers.
  • Industrial inspection and mapping UAVs needing extended flight time and high torque.
  • Custom-built multirotor platforms utilizing 9-inch or 10-inch tri-blade propellers.

Technical Specifications

Model NumberFA3115
Motor TypeBrushless Outrunner
KV Rating400 KV
Stator Size31mm x 15mm
Recommended Voltage12S Li-ion/LiPo
Max Continuous Power1982 W
Max Thrust4810 g
Shaft Diameter5 mm
Mounting Hole PCDØ19 mm
Mounting Hole Pattern4 x M3
Motor Diameter37.2 mm
Motor Length50.8 mm
Weight115 g

Frequently Asked Questions

What is the recommended propeller size for the CAELUS FA3115 400KV motor?

The CAELUS FA3115 400KV motor is optimized for use with 9-inch to 10-inch tri-blade propellers when operating on a 12S Li-ion or LiPo battery system. This pairing ensures efficient thrust generation and stable RPM for heavy-lift and professional drone applications.

What is the mounting pattern and shaft size of this motor?

This motor features a 5mm diameter hardened steel shaft and uses a Ø19mm PCD (Pitch Circle Diameter) mounting pattern. It is secured via four M3 threaded holes, which is a standard pattern compatible with many motor mounts for large multirotor frames.

Is this motor suitable for long-duration, heavy-lift flight operations?

Yes. The FA3115's 12N14P design and 31x15mm stator are engineered for high torque and efficient power conversion, minimizing heat buildup. With a maximum continuous power rating of 1982W, it provides reliable performance for extended heavy-lift and professional cinematic drone flights.

Package Includes

  • 1 x CAELUS FA3115 400KV Brushless Motor
  • 1 x Fitting Accessory Set (mounting hardware)

Additional Information

Weight 0.12 kg
Dimensions 5 × 5 × 5 cm