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28mm Inner Rotor Brushless DC Motor, 15/24V, 5/14/50mNm

28mm Inner Rotor Brushless DC Motor, 15/24V, 5/14/50mNm
28mm Inner Rotor Brushless DC Motor, 15/24V, 5/14/50mNm
28mm Inner Rotor Brushless DC Motor, 15/24V, 5/14/50mNm
28mm Inner Rotor Brushless DC Motor, 15/24V, 5/14/50mNm
28mm Inner Rotor Brushless DC Motor, 15/24V, 5/14/50mNm
28mm Inner Rotor Brushless DC Motor, 15/24V, 5/14/50mNm
28mm Inner Rotor Brushless DC Motor, 15/24V, 5/14/50mNm
  • Stock: In Stock
  • Model: PEACO-28BL
  • SKU: PEACO-28IRBLDC
$86.59
Ex Tax: $86.59

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Inner rotor BLDC motor features 28mm frame size, 4 poles, three phase, optional 15V/ 24V DC, 4W, 15W, 21W rated power, 5mN.m, 14mN.m, 50mN.m rated torque, inner motor length up to 28mm, 38mm, 77mm. The hightlight of the internal rotor BLDC motor is that the rotor has smaller moment of inertia of the rotating shaft and better heat dissipation, particularly suitable for high-speed applications.

Specification

Electrical Specifications Motor Model* P28BL28 P28BL38 P28BL77
Frame Size 28*28mm
Accessories* Connector, gearbox, encoder
Phase & No. of Poles 3 phase, 4 poles
Rated Voltage 15V DC 24V DC 24V DC
Rated Torque 5 mN.m 14 mN.m 50 mN.m
Continuous Running Torque 6 mN.m 17 mN.m 60 mN.m
Rated Speed 8000rpm 10000rpm 4000rpm
Rated Power 4W 15W 21W
Peak Torque 15 mN.m 42 mN.m 150 mN.m
Peack Current 1.1A 2.5A 4.1A
Line to Line Resistance 8.2 ohms at 20℃ 4.2 ohms at 20℃ 4.2 ohms at 20℃
Line to Line Inductance 2.3mH 1.69mH 2.3mH
Torque Constant 14.3 mN.m/A 16.9 mN.m/A 37.4 mN.m/A
Back EMF 1.0 Vrms/KRPM 1.25 Vrms/KRPM 2.77 Vrms/KRPM
Rotor Inertia 2.35 g.cm2 3.69 g.cm2 10.98 g.cm2
Motor Length 28mm 38mm 77mm
Weight 0.06 Kg 0.082 Kg 0.28 Kg
Certification CE, RoHS, ISO 9001, ISO 14001, IATF 16949
Warranty 2 years
General Specifications Winding Type Star connection
Hall Effect Angle Electrical Angle of 120 degree
Radial Play 0.02mm @ 450g
Axial Play 0.08mm @ 450g
Max. Radial Force 10Nm (10mm from the flange)
Max. Axial Play 2Nm
Dielectric Strength 600VAC/1S
Insulation Resistance 100MΩ, 500VDC
Ambient Temperature -20℃~+50℃
Insulation Class Class B

Note: * denotes optional or customized parameters and you can select every parameter in drop-down lists to complete your order.

Brushless DC Motor Dimension (Unit: mm)

Brushless DC Motor Dimension

Electric Connection

Type Color Functions
UL 1007 AWG28 Yellow Hall Power Supply (positive) (Wcc)
Blue Hall U (Hu)
Orange Hall V (Hu)
Brown Hall W (Hu)
White Hall Power Supply (negative) (GND)
UL 1007 AWG26 Green Phase U
Red Phase V
Black Phase W

Brushless DC Motor Application

Brushless DC Motor Application

KNOWLEDGE BASE --- Advantages of Inner Rotor BLDC Motors

In an inner rotor brushless motor, a rotor with permanent magnets rotates around an axis in a fixed stator with coils around it. Here are the main advantages of internal rotor brushless motors:

  1. The moment of inertia of the rotating shaft is small. 
  2. The heat dissipation performance is better. 
  3. Inner rotor BLDC motor provides ability to downsize the main unit.
  4. This brushless motor is particularly suitable for high-speed applications where low noise and reliable, long life operation are particularly important.
  5. Widely used in household industry, office automation, industrial control, ATM, energy industry, textile industry, automotive industry, logistics industry, medical industry, etc.

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