

AX525-B Configuration
Recommended Takeoff Weight
15-17kg
Max Thrust
10kg
Motor weight
620g
Recommended Battery
12S(Lipo)
Recommended Setup
AX525-B Motor+AT115A ESC+ AUFZ18*14 Prop
Thunder 12~24S 200A High Power UAVs ESC
T8542 F3P 4D Airplane Polymer Propeller
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AX SERIES BRUSHLESS MOTORS
A POWER SYSTEM SPECIFICALLY ENGINEERED FOR FIXED-WING CRUISE UAVS
AX435-A | AX435-B | AX525-A | AX525-B | AX530-A | AX530-B
HIGH MOUNTING VERSATILITY
Designed for pusher configurations. Features rear shaft output for internally mounted installations and front shaft output for externally mounted installations, adapting to diverse airframe layouts.

AX435-A | AX435-B | AX525-A | AX525-B | AX530-A | AX530-B
ENHANCED COOLING EFFICIENCY
Optimized for pusher applications. End caps incorporate tilted centrifugal cooling fins aligned with rotation direction, improving heat dissipation efficiency by 5%.
AX435-A | AX435-B | AX525-A | AX525-B | AX530-A | AX530-B
QUICK INSTALLATION
Integrated collet-type prop hub enables rapid installation of folding propellers.
AX525-B Configuration
Recommended Takeoff Weight
15-17kg
Max Thrust
10kg
Motor weight
620g
Recommended Battery
12S(Lipo)
Recommended Setup
AX525-B Motor+AT115A ESC+ AUFZ18*14 Prop

| Model No. | AX525-B | Magnet Level | 180℃ |
| Motor Size | Φ63.6*78.5mm | Lead Cable | Enameled Wire 150mm |
| Stator | 150°C high temperature -resisting coatings | Copper Wire | 220℃ |
| Configuration | 12N14P | Coil Insulation Test | 500V/5s |
| Shaft Diameter | IN:10mm OUT:8mm | Rotor Dynamic BalanceStandard | ≤30mg |
| Bearing | Imported 6800/6900ZZ | Package Size | 197*104*75mm |
| Tech Specs | |||
| KV | 250 | Idle Current(15V) | 2.8A |
| Max Power | 2250W | Peak Current | 100A |
| Rated Voltage (Lipo) | 12S | Internal Resistance | 22mΩ |
| Max Thrust | 10kg | Weight (incl.cable) | 620g |
| Type | Propeller | Throttle (%) | Voltage (V) | Current (A) | Power (W) | RPM | Torque (N·m) | Thrust (g) | Efficiency (g/W) | Operating Temperature (℃) |
| AX525-B KV250 | AUFZ 18*14 | 40% | 44.68 | 7.09 | 317 | 3842 | 0.62 | 1951 | 6.16 | 99 (Ambient Temperature: 25) |
| 45% | 44.64 | 9.28 | 414 | 4239 | 0.77 | 2388 | 5.77 | |||
| 50% | 44.57 | 12.59 | 561 | 4717 | 0.96 | 2968 | 5.29 | |||
| 55% | 44.49 | 17.16 | 763 | 5238 | 1.18 | 3679 | 4.82 | |||
| 60% | 44.40 | 21.78 | 967 | 5661 | 1.38 | 4299 | 4.45 | |||
| 65% | 44.32 | 26.41 | 1170 | 6022 | 1.57 | 4870 | 4.16 | |||
| 70% | 44.21 | 32.09 | 1419 | 6396 | 1.78 | 5514 | 3.89 | |||
| 75% | 44.08 | 39.12 | 1724 | 6790 | 2.07 | 6252 | 3.63 | |||
| 80% | 43.92 | 47.04 | 2066 | 7180 | 2.36 | 7041 | 3.41 | |||
| 90% | 43.55 | 66.83 | 2910 | 7864 | 2.98 | 8435 | 2.90 | |||
| 100% | 42.98 | 96.52 | 4149 | 8583 | 3.76 | 10056 | 2.42 | |||
| Notes:Motor temperature is the motor surface temperature aftering running at 100% for 1 mins. (Based on T-MOTOR test bench(es), all data are for reference only. T-MOTOR reserves the right of final interpretation.) | ||||||||||