28mm Brushless Motor

28mm Brushless Motor
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

Model Description
General Specification
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
Wiring Instruction
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
Electrical Specifications

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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