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