LETUMOTOR 3130 Surface Marine BLDC Motor — IP67 Waterproof for Unmanned Surface Vessels & Boat Thrusters
LETUMOTOR 3130 Surface Marine BLDC Motor — IP67 Waterproof for Unmanned Surface Vessels & Boat Thrusters - Image 2
LETUMOTOR 3130 Surface Marine BLDC Motor — IP67 Waterproof for Unmanned Surface Vessels & Boat Thrusters - Image 3
LETUMOTOR 3130 Surface Marine BLDC Motor — IP67 Waterproof for Unmanned Surface Vessels & Boat Thrusters - Image 4

LETUMOTOR 3130 Surface Marine BLDC Motor — IP67 Waterproof for Unmanned Surface Vessels & Boat Thrusters

LETUMOTOR 3130-280KV IP68 underwater brushless motor — 24V, 205g, 12N16P, 220°C winding, MR126 bearings, ≤10mg balance. Fully sealed for ROVs, AUVs, and submersible thruster applications. Custom OEM/ODM and bulk orders welcome.

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Description

LETUMOTOR 3130-210KV boat thruster brushless motor — 24V, 210KV, 37.5x48.3mm, 225g, 12N16P, IP45, 220°C winding, dual bearings 686ZZ+MR126, 6mm shaft, compact marine propulsion for USVs and electric boatsEFFICIENTPOWER DELIVERY SMOOTH PROPULSION,MAXIMUM EFFICIENCY Optimized for marine applications,the LETUMOTOR 3130-210KV deliversefficient power corversion and smooth.stable propuhsion for a better boatingexperience. Efficient PropulsionMore thrust, less energy Stable & ReliableConsistent performancein marine conditions PERFORMANCE SERIES 24V RATED VOLTAGE Stable and efficient powersystem for marine propulsion 4500rpm MAX EFFICIENCY SPEED Reaches peak efficiency at 4500 rpm. 210KV KV RATING High KV design for fastresponse and strong output 5.3A MAX EFFICIENCY CURRENT Optimal operating currentfor maximum efficiency. 0.5A NO-LOAD CURRENT Low no-load current forbetter energy efficiency. 0.23N.m MAX EFFICIENCY TORQUE Delivers peak efficiency torquefor powerful, smooth thrust. COMPACT. EFFICIENT. POWERFUL Engineered for marine enwironments,the 3130-210KV brings together high-efficiencyoutout and smooth performancein a compactdesigr--built for serious boatingLETUMOTOR 3130-210KV boat thruster motor reliability features — IP45 splash protection, 220°C winding, 150°C magnet, AC500V insulation, dual bearings 686ZZ+MR126, precision-balanced rotor for low vibration, built for demanding marine environmentsLETUMOTOR 3130-210KV boat thruster motor integration specs — 37.5x48.3mm compact body, 6mm standard shaft, 2xM3-D24 prop mount, 4xM3-D24 motor mount, 128.1mm overall length, 225g, designed for easy marine installationBoat thruster brushless motor for diverse marine platforms — 3130-210KV, 24V, IP45 splash protection, 220°C winding, dual bearings, engineered for RC boats, unmanned surface vessels, survey boats, and custom marine buildsMarine propulsion motor selection sheet — LETUMOTOR 3130-210KV, key specs at a glance, 24V, 210KV, IP45, 225g, 12N16P, 220°C winding class, ready for RC boats, USVs, and hobby marine projects

Compact Marine Propulsion for Surface Applications

The LETUMOTOR 3130-210KV is a compact, lightweight brushless motor purpose-built for surface marine propulsion. With a 12N16P high-pole configuration, dual precision bearings, and IP45 splash protection, it delivers smooth, quiet, and efficient thrust for RC boats, bait boats, USVs, and custom marine projects.

Key Specifications

Parameter Value
Model LETUMOTOR 3130-210KV
Product Type Boat Thruster Motor
Motor Size Ø37.5 x H48.3 mm
Stator Size Ø31 x H30 mm
KV Rating 210
Rated Voltage 24V
No-load Current 0.5A
Phase Resistance 220 mΩ
Motor Weight 225g
Configuration 12N16P
Bearings 686ZZ + MR126 (Dual)
Shaft Diameter 6mm
Prop Mount 2x M3-D24
Motor Mount 4x M3-D24
Winding Insulation 220°C
Magnet Grade Temp 150°C
Withstand Voltage AC500V
Protection Level IP45
Overall Length ≈128.1 mm
Max Efficiency Speed 4500 rpm
Max Efficiency Current 5.3A
Max Efficiency Torque 0.23 N·m

Built for Reliability on the Water

  • IP45 Splash Protection: IP45-rated enclosure guards against water splashes and dust ingress for reliable performance in surface marine conditions.

  • AC500V Dielectric Withstand: Robust insulation system ensures safe and stable electrical operation in wet environments.

  • 220°C Winding & 150°C Magnet Grade: High-temperature materials maintain consistent performance and thermal stability under sustained marine loads.

  • Dual Bearing Support (686ZZ + MR126): Premium dual bearing configuration delivers smooth, durable operation and extended service life.

  • Precision-Balanced Rotor: Low-vibration design ensures quiet, efficient thrust and a better on-water experience.

Compact, Ready to Integrate

  • Compact Form Factor: Ø37.5 x 48.3mm body with a short overall length of approximately 128.1mm fits easily into tight hull spaces.

  • Standard 6mm Shaft: Easy coupling and alignment with a wide range of marine propellers and drive systems.

  • Standardized Mounting: 2x M3-D24 prop mount and 4x M3-D24 motor mount for fast, reliable installation.

  • Easy Electrical Connection: Direct lead output simplifies wiring and system setup.

Perfect for Surface Marine Applications

  • RC speed boats and racing hulls

  • Bait boats for long-range fishing

  • Unmanned Surface Vessels (USVs) and survey boats

  • Custom hobby marine builds and experiments

  • Small electric propulsion projects

Customization & Bulk Orders

We understand that off-the-shelf specs don’t fit every marine project.

Available customizations include:

  • Custom KV winding

  • Shaft diameter and length modifications

  • Mounting pattern adjustments

  • Lead length and connector type (including waterproof connectors)

  • Bell housing color and laser-engraved logo

Contact our engineering team with your requirements for a tailored solution and volume pricing.

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