ClassA Motor
BLDC MotorKEGU BL5285 micro BLDC · Ø52 mm

BL5285-V2

65 W, 18 V Ø52 mm BLDC motor from KEGU: 0.204 N·m rated at 3150 rpm.

Manufacturer datasheet: KEGU · BL5285-V2 ↗ (checked 2026-10-18)Maker profile & contacts →

Figures are copied from the maker’s published datasheet; curves are calculated from them. Confirm with the manufacturer before ordering. Not stated on the datasheet, estimated from it: torque constant (fitted to the rated point), resistance (fitted to the rated point), inductance, rotor inertia, insulation class, IP rating.

Applications:Home AppliancesMedicalFans & Pumps
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How this motor is made

Full manufacturing overview: 57 mm Inner-rotor BLDC Motor →

Ø52 mm frame; built with the same process as the 57 mm inner-rotor reference series.

Assembly steps
11
Equipment types
14
BOM lines
13
PRD suppliers
88
  1. 1. Lamination stamping & interlocking
  2. 2. Stator insulation
  3. 3. Winding
  4. 4. Terminal connection
  5. 5. Stator in-process test
  6. 6. Impregnation & curing
  7. 7. Rotor assembly
  8. 8. Magnetizing
  9. 9. Rotor balancing
  10. 10. Final assembly
  11. 11. End-of-line test

Export certification: Low-voltage motor without electronics

Rated power
67.3 W
Rated torque
0.204 N·m
Rated speed
3,150 rpm
Rated efficiency
85 %

Performance curves

Right axis:
01,0002,0003,0004,0000204060801000123Torque (N·m)Speed (rpm)Efficiency (%)Rated point
SpeedEfficiency (right axis)

Calculated with the linear DC-motor model (constant 18 V supply, ignoring resistance rise with temperature).

Full specifications

General

Motor type
BLDC Motor
Series
KEGU BL5285 micro BLDC
Frame / flange
Ø52 mm

Rated Values

Rated voltage
18 V
Rated power
67.3 W
Rated torque
0.204 N·m
Rated speed
3,150 rpm
Rated current
4.4 A

Performance

Stall torque
2.69 N·m
No-load speed
3,408 rpm
Rated efficiency
85 %
Peak efficiency
85 %

Electrical

Torque constant Kt
0.0501 N·m/A
Back-EMF constant Ke
5.25 V/krpm
Resistance
0.333 Ω
Inductance
0.5 mH
No-load current
0.33 A
Stall current
54 A
Electrical time constant
1.5 ms
Mechanical time constant
0.769 ms

Mechanical

Rotor inertia
58 g·cm²
Weight
0.7 kg
Power density
96.1 W/kg
Insulation class
B
Protection
IP40

Compatible drivers

All drivers →

Drivers whose supply voltage covers this motor and whose continuous current is at least its rated current; drivers from the same maker first. Confirm Hall/encoder type and settings with the maker.

ModelMakerMotor typeSupplyCont. / peak currentFeedback
APS-06D48-RALTETechServoBLDC, Servo, DC18–48 V DC6 A / 18 AIncremental encoder, Hall sensors, Sensorless
ZM-BL4810FZemingBLDC18–50 V DC10 AHall sensors, Sensorless
ZM-BL48D10ZemingBLDC18–50 V DC10 AHall sensors, Sensorless
ZM-BL4810KZemingBLDC18–50 V DC10 AHall sensors, Sensorless
DBL-10RSMayi MotorBLDC12–60 V DC10 AHall sensors
NU-BL3610-01NuelectronicsBLDC12–36 V DC10 A / 15 AHall sensors, Sensorless, Open loop, Closed loop

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