




T-Motors MN505-S-KV320
- Note: When mounting the motor, please make sure the thread inside the motor is ≤5mm
- Strong power ,long service life
- Excellent cooling performance
- Anti-high temperature/Anti-overload
- Dust-resistance/Waterproof/Anti-corrosion
About T-MOTOR Navigator MN505-S Multirotor Fixed Wing UAV Motor KV380
Motor Navigator Waterproof MN505-S 320 KV is a premium motor engineered for marine applications like ROVs and AUVs. Built for durability and performance, it offers exceptional cooling, heat dissipation 10% better than standard motors, and high-temperature resistance. The centrifugal fan design ensures active cooling, while anti-corrosion, dust- and water-resistant features make it ideal for harsh underwater environments. With long service life and overload protection, the MN505-S delivers reliable power for demanding marine robotics.
Motor Navigator Waterproof MN505-S 320 KV is a premium motor engineered for marine applications like ROVs and AUVs. Built for durability and performance, it offers exceptional cooling, heat dissipation 10% better than standard motors, and high-temperature resistance. The centrifugal fan design ensures active cooling, while anti-corrosion, dust- and water-resistant features make it ideal for harsh underwater environments. With long service life and overload protection, the MN505-S delivers reliable power for demanding marine robotics.
Navigator MN505-S Highlights:
- Max thrust: 6.6kg
- MTBF: About 1000hours
Features: Excellent cooling performance; Dust-resistance/Waterproof/Anti-corrosion
"Navigator" motors are for general uses like aerial photography. For demand of multi-rotors, VTOL and fixed wings.
- Max thrust: 6.6kg
- MTBF: About 1000hours
Features: Excellent cooling performance; Dust-resistance/Waterproof/Anti-corrosion
Application Areas:
Cargo Drones, Tethered, Mapping and Inspection.
Specifications:
Motor size
Φ55.6*38.9mm
Stator
Imported silicon steel sheet; anti-rust treatment;
150°chigh temperature-resisting coatings
Configuration
24n28p
Shaft diameter
In:6mm,out:4mm
Bearing
Imported 696zz
Magnet level
180℃ high temperature resistance
Lead cable
16awg*150mm
Copper wire
220℃ high temperature resistance: level c
Coil insulation test
500v
Centrifugal cooling design
Yes
Rotor dynamic balance standard
≤5mg
Motor dynamic balance standard
≤10mg
Ip
Ip45
KV
320
Idle Current(18V)
1.8A
Peak Current(180s)
55A
Max.Power(180s)
1300W
Internal Resistance
38mΩ
Rated Voltage ( Lipo )
6S
ESC Recommendation
FLAME 60A 12S
Propeller Recommendation
20-22"
Motor Weight (indl. Cable)
225g
Package Weight
400g
Packing List Includes:
1x T-MOTOR MN505 Motor KV320 ( kv which you choose)
1x Hardware pack
Matching Guide:










Cargo Drones, Tethered, Mapping and Inspection.
Specifications:
Motor size | Φ55.6*38.9mm |
Stator | Imported silicon steel sheet; anti-rust treatment; |
Configuration
| 24n28p |
Shaft diameter
| In:6mm,out:4mm |
Bearing | Imported 696zz
|
Magnet level | 180℃ high temperature resistance |
Lead cable | 16awg*150mm |
Copper wire | 220℃ high temperature resistance: level c |
Coil insulation test | 500v |
Centrifugal cooling design | Yes |
Rotor dynamic balance standard | ≤5mg |
Motor dynamic balance standard | ≤10mg |
Ip | Ip45 |
KV | 320 |
Idle Current(18V) | 1.8A |
Peak Current(180s) | 55A |
Max.Power(180s) | 1300W |
Internal Resistance | 38mΩ |
Rated Voltage ( Lipo ) | 6S |
ESC Recommendation | FLAME 60A 12S |
Propeller Recommendation | 20-22" |
Motor Weight (indl. Cable) | 225g |
Package Weight | 400g |
Packing List Includes:
1x T-MOTOR MN505 Motor KV320 ( kv which you choose)
1x Hardware pack










