Big Motors > SeaDrive (Underwater/Industrial)
The F2838 350KV waterproof brushless motor is engineered for demanding underwater robotics and aquatic entertainment systems. Featuring IP69K-rated hermetic sealing and anti-corrosion coatings, it delivers consistent high-torque performance in submerged environments up to 100 meters depth. Ideal for marine research ROVs, water park propulsion units, and dynamic fountain actuators.
| Parameter | Specification |
| Motor Type | 3-Phase Sensorless BLDC |
| Protection Rating | IP69K (Pressurized Waterproof) |
| Rated Voltage | 11.1V-14.8V DC |
| Continuous Power | 83W @ 11.1V / 150W @ 14.8V |
| Peak Thrust | 15kgf (Forward) / 6.8kgf (Reverse) |
| Speed Range | 3950-5200 RPM (Field-Oriented Control) |
| Control Interface | CAN 2.0B / RS485 |
| Operating Temperature | -25℃ ~ +70℃ |
| Housing Material | Marine-Grade 316L Stainless Steel |
| Weight | 80g |
| Waterproof Technology | Laser-Welded Enclosure + Silicone Potting |
• Deep-Sea Reliability: Triple redundant shaft seals with magnetic fluid barriers
• Corrosion Defense: Titanium alloy fasteners + nickel-plated terminals
• High-Efficiency Drive: 95% peak efficiency with liquid-cooled stator windings
• Precision Control: Built-in 17-bit magnetic encoder for closed-loop operation
• Modular Integration: ISO 9409-1 flange mounting standard
| Load Condition | Thrust Output | Current Draw | Efficiency |
| No-Load | 0kgf | 2.1A | - |
| 50% Rated Load | 7.5kgf | 18A | 89% |
| 100% Continuous Load | 15.0kgf | 34A | 82% |
| 150% Peak (30s) | 22.5kgf | 51A | 76% |
• 1000m-rated ROV/AUV propulsion
• Subsea manipulator joint drives
• Hydrographic survey sensor positioners
• Wave pool current generators
• Dynamic fountain nozzle actuators
• Water coaster propulsion systems
• Continuous Operation: 65°C @ 40°C ambient (with liquid cooling)
• Overload Protection: Auto torque derating above 85°C
• Certifications: DNV-GL Marine Equipment Directive, IEC 60529 IP69K
Note: All performance metrics validated in 3.5% saline solution at 15°C. Requires annual pressure chamber testing for deep-sea applications.

