





Fixed-Wing Brushless Motors
4125 450KV Heavy Lift UAV Brushless Drone Motor
AM4125 450KV heavy-lift UAV brushless motor delivers 5%-10% thrust improvement compared with conventional drone motors.
Specifications
- KV值
- 450KV
4125 450KV heavy-lift UAV brushless motor delivers 5%-10% thrust improvement compared with conventional drone motors.
- It weighs only 393g including cable, with max thrust up to 7310g (7.3kg+), matched for 13-14 inch propellers.
- Adopted premium raw materials and exquisite workmanship.
- This 4125 drone motor features robust housing with lateral outlet holes, which reinforces structural strength and greatly improves heat dissipation performance.
- Equipped with precision bearings and strict dynamic balance calibration, it offers high efficiency and stable continuous power output.
- Built-in high-temperature resistant magnet, the maximum working temperature of magnet reaches 150℃ (recommended operating temperature ≤120℃), guaranteeing long-term stable and safe operation under heavy payload.
- Factory direct supply for commercial multi-rotor drones, mapping, agriculture and inspection UAV projects.
Motor Diameter(mm): 49+/-0.15
Motor Length(mm): 65+/-0.5
No.of Slots/Poles: 12N14P
Motor KV (RPM/V): 380+/-5%
Free-Load Current(A)@20V: 2.1 Max
Phase to Phase Resistance(25℃, mΩ): 70.5+/-10%
Max continuous Current/Power(A/W)@44.4V: 47/2086
Temperature at Max Continuous Current(C): 95
Max Current/Power(A/W)@44.4V: 70/3143 (15s Max)
Weight including Leads(g): 267+/-10
Recommended Lipo Cells: 8-12S
Recommended ESC: 8-12S/60A
Recommended Propeller: 12-13inch
Maximum Operating Temperature of the Magnet(C): 150(Recommended Max 120℃)
Motor Torque Constant(Kt, g.cm/A): 322.64
Motor Constant(Cn, rpm/g.cm): 0.24


