Big Motors > SeaDrive (Underwater/Industrial)
The F5885 240KV waterproof brushless motor is designed for ultra-compact aquatic applications including aquarium circulation systems and miniature marine vehicles. Featuring IP68-rated epoxy potting and corrosion-resistant materials, it delivers silent operation with minimal vibration for sensitive underwater environments.
| Parameter | Specification |
| Motor Type | 3-Phase Sensorless BLDC |
| Protection Rating | IP68 (3m Depth, 24hrs Submersion) |
| Rated Voltage | 24V DC |
| Continuous Power | 1100W @ 24V |
| Max Thrust | 1.8kgf (Forward) / 0.8kgf (Reverse) |
| Speed Range | 600-5500 RPM (PWM Adjustable) |
| Resistance | 0.15Ω (Phase-to-Phase) |
| Shaft Diameter | 2mm (316 Stainless Steel) |
| Weight | 965g (Dry) |
| Mounting Pattern | 15×15mm / 20×20mm |
• Whisper Operation: Helical skew rotor design (<25dB @ 0.3m)
• Aquatic-Safe: NSF/ANSI 61-certified non-toxic potting compound
• Saltwater Ready: Ceramic shaft bearings + PPS polymer housing
• Plug-and-Play: Integrated 5A ESC with automatic brake function
• Low Power Mode: 0.5W standby consumption for 24/7 operation
| Voltage | No-Load Speed | Max Thrust | Current Draw |
| 24V | 5800 RPM | 1.2kgf | 1.9A |
• Nano reef tank wave makers
• Automatic fish feeder drives
• LED cooling fan modules
• 1/35 scale RC submarine thrusters
• Floating toy boat propulsion
• Mini ROV vertical thrusters
• Continuous Operation: 45°C @25°C ambient
• Thermal Safety: Auto-shutdown at 65°C (manual reset)
• Storage Conditions: -30℃ ~ +70℃, <90% RH
Note: All data validated in pH-neutral freshwater. Saltwater use requires weekly shaft lubrication.

