ClassA Motor
BLDC MotorNuelectronics NBL4509 flat EC motor · Ø45 mm

1004000904

8 W, 12 V Ø45 mm BLDC motor from Nuelectronics: 0.018699999999999998 N·m rated at 4270 rpm.

Manufacturer datasheet: Nuelectronics · 1004000904 ↗ (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), insulation class, IP rating.

Applications:AGV & RoboticsMedicalIndustrial Automation
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How this motor is made

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

Ø45 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
8.36 W
Rated torque
0.0187 N·m
Rated speed
4,270 rpm
Rated efficiency
53.6 %

Performance curves

Right axis:
02,0004,0006,000020406000.020.040.060.080.1Torque (N·m)Speed (rpm)Efficiency (%)Rated point
SpeedEfficiency (right axis)

Calculated with the linear DC-motor model (constant 12 V supply, ignoring resistance rise with temperature).

Full specifications

General

Motor type
BLDC Motor
Series
Nuelectronics NBL4509 flat EC motor
Frame / flange
Ø45 mm

Rated Values

Rated voltage
12 V
Rated power
8.36 W
Rated torque
0.0187 N·m
Rated speed
4,270 rpm
Rated current
1.3 A

Performance

Stall torque
0.0896 N·m
No-load speed
5,396 rpm
Rated efficiency
53.6 %
Peak efficiency
53.6 %

Electrical

Torque constant Kt
0.0197 N·m/A
Back-EMF constant Ke
2.06 V/krpm
Resistance
2.45 Ω
Inductance
0.37 mH
No-load current
0.351 A
Stall current
4.9 A
Poles
16
Electrical time constant
0.151 ms
Mechanical time constant
33 ms

Mechanical

Rotor inertia
52.3 g·cm²
Body length
9 mm
Weight
0.057 kg
Power density
147 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
NU-BL3610-01NuelectronicsBLDC12–36 V DC10 A / 15 AHall sensors, Sensorless, Open loop, Closed loop
NU-BL3010-10NuelectronicsBLDC12–30 V DC10 A / 15 ASensorless, Open loop
NU-BL3010-11NuelectronicsBLDC12–30 V DC10 A / 15 ASensorless, Closed loop
DBL-10RSMayi MotorBLDC12–60 V DC10 AHall sensors
BD15L□□2□Stonker MotorBLDC12–60 V DC15 ASensorless
BLDA0401A1Motion ControlBLDC12–55 V DC18 A

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