28mm Brushless Motor
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The 28mm brushless motor features high power density and smooth speed control. It is suitable for high-speed application. For example, it is used for the car cushion massage pump in the vehicle industry.
Specification| Winding Connection Mode | Star |
| Hall Distribution Angle | 120 degree electrical angle |
| Shaft Runout | 0.025mm |
| Radial Play | 0.02mm at 450g |
| End Play | 0.08mm at 450g |
| Max. Radial Force | 15N at 10mm from the flange |
| Max. Axial Force | 10N |
| Insulation Class | Class B |
| Dielectric Strength | 500V DC for one minute |
| Insulation Resistance | 100MΩ Min., 500V DC |
| Model | FL28BL26 | FL28BL38 | FL28BL77 |
| Number of Poles | 4 | 4 | 4 |
| Number of Phases | 3 | 3 | 3 |
| Rated Voltage V DC | 15 | 24 | 24 |
| Rated Speed RPM | 8000 | 10000 | 3700 |
| Continuous Stall Torque mN·m | 8.4 | 17 | 60 |
| Rated Torque mN·m | 7 | 14.12 | 50 |
| Rated Power W | 6 | 14.78 | 16 |
| Peak Torque mN·m | 21 | 42.4 | 150 |
| Peak Current A | 2.5 | 2.8 | 3 |
| Phase to Phase Resistance Ω | 8 | 4.63 | 4.67 |
| Phase to Phase Inductance mH | 2 | 3 | 3.5 |
| Torque Constant | 13.7 | 16 | 50 |
| Rotor Inertia g·cm2 | 1.23 | 2.12 | 5.98 |
| Body Length mm | 26 | 38 | 77 |
| Mass Kg | 0.060 | 0.082 | 0.280 |
Slotless Brushless DC Motor
FL28SBL66-24V-170-XXA-P2 Series
| Winding Connection Mode | Star |
| Hall Induction Angle | 120 degrees electrical angle |
| Radial Play | 0.025mm at 460g |
| End Play | 0.025mm at 4000g |
| Max. Radial Force | 60N at 20mm |
| Max. Axial Force | 15N |
| Insulation Class | F Class |
| Dielectric Strength | 500V DC for one minute |
| Insulation Resistance | 100MΩ min., 500V DC |
| No. | Corresponding Color | Line No. | Function | Remark |
| 1 | Red | UL1332 AWG26 | Hall | 5-24V |
| 2 | Blue | Hall A | ||
| 3 | Green | Hall B | ||
| 4 | White | Hall C | ||
| 5 | Black | GND | Negative pole | |
| 6 | Yellow | UL1332 AWG22 | Motor U | |
| 7 | Red | Motor V | ||
| 8 | Black | Motor W |
| Unit | Tolerance | FL28SBL66-24V-170-75A | FL28SBL44-24V-170-35A | |
| Number of Poles | 2 | 2 | ||
| Number of Phases | 3 | 3 | ||
| Rated Voltage | V DC | 24 | 24 | |
| No-load Speed | RPM | ±10% | 17000 | 17000 |
| No-load Current | A | ±10% | 0.28 | 0.39 |
| Rated Speed | RPM | ±10% | 14000 | 14000 |
| Rated Torque | mN·m | 54 | 24 | |
| Rated Power | W | 79 | 37 | |
| Peak Torque | mN·m | 162 | 75 | |
| Peak Current | A | 12 | 6 | |
| Phase to Phase Resistance | Ω at 25℃ | ±10% | 1.03 | 2.2 |
| Phase to Phase Inductance | mH | ±20% | 0.095 | 0.22 |
| Torque Constant | ±10% | 13.28 | 13.25 | |
| Back EMF Constant | mV/RPM | ±10% | 1.39 | 1.39 |
| Rotor Inertia | g·cm2 | 14.5 | 7.5 | |
| Length(L) | mm | 66 | 44 | |
| Weight | g | 225 | 135 |
Related Names
Smooth Speed Governing Motor without Brush | Brushless Motor Machine for High Speed Function | Electric Device without Brush for Car Cushion Massage Pump
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