Three-phase External Rotor BLDC Motor
Grand Precision Industrial Ltd. [China] 
Three-phase External Rotor BLDC motor
| 1 | Rated Voltage | Volt | 9.0 | 12.0 | 24.0 | 48.0 |
| 2 | No-load Speed | rpm | 3590 | 4460 | 4390 | 4630 |
| 3 | Stall torque | mNm | 70.0 | 84.1 | 85.8 | 84.1 |
| 4 | Speed/torque slope | rpm/mNm | 54.9 | 56.6 | 54.5 | 58.7 |
| 5 | No-load current | mA | 152 | 150 | 73.4 | 39.4 |
| 6 | Phase resistance | Ohm | 2.87 | 3.43 | 13.7 | 53.0 |
| 7 | Maximum continuous current(5000rpm) | A | 1.05 | 0.981 | 0.490 | 0.251 |
| 8 | Maximum continuous torque(5000rpm) | mNm | 22.5 | 22.8 | 23.3 | 22.4 |
| 9 | Maximum efficiency | % | 61 | 63 | 64 | 63 |
| 10 | Torque constant | mNm/A | 22.4 | 24.1 | 49.0 | 92.8 |
| 11 | constant | rpm/V | 427 | 397 | 195 | 103 |
| 12 | Mechanical time constant | ms | 20 | 20.7 | 20.0 | 21.5 |
| 13 | Rotor inertia | gcm2 | 35 | 35.0 | 35.0 | 35.0 |
| 14 | Phase inductance | mH | 1.61 | 1.87 | 7.73 | 27.8 |
Three-phase External Rotor BLDC Motor
