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8 Series

8 Series

Slotless Brushless DC Motor

  1. The slotless motor design eliminates cogging torque caused by uneven magnetic flux distribution in slotted motors.

  2. It eliminates core losses in the stator and surface wear between the stator and rotor.

  3. Slotless motors offer high durability, low electrical noise, and high efficiency, with maximum motor efficiency reaching 90%.

  4. Slotless motors are suitable for drive systems requiring rapid movement and relatively high power.


Online ConsultationOnline Consultation
Product Parameters

Technical DataTechnical Data

Motor Model
8ZWWC25
Number of Pole Pairs-1
Line ResistanceW6.1
Line InductancemH0.085
Winding Connection Method-Delta Connection
Insulation Class-B
Duty Cycle-S2
Dielectric Strength (Withstand Voltage)-300VAC/1KHz/1mA/1s
Insulation Resistance-100MW/300VDC



Weightg7.3
Rated VoltageV
12
Rated PowerW3.25
Rated TorquemN·m0.8
Rated SpeedRPM38200
Rated CurrentA0.45
No-load SpeedRPM48000
No-load CurrentA0.056
Motor Efficiency%60
Noise (Ambient Noise 20 dB, Test Distance 1 m)dB<50
Thermal Resistance, Housing-to-Ambient (No-load)K/W12.52
Ambient Temperature°C22.3
Maximum Winding Temperature°C63
Torque ConstantmN·m/A1.77
Back EMF Constant – PeakV/Krpm0.26
Back EMF Constant – RMSV/Krpm0.19
Peak TorquemN·m3.49
Peak CurrentA2
Rotor Inertiag·cm20.016
Mechanical Time Constantms3.11
End Cover-
Stainless Steel
Bearing-Deep Groove Ball Bearing
Magnet-Sintered NdFeB
Shaft-Carbon Steel


Overall DimensionsOverall Dimensions

Product DrawingProduct Drawing

After ServiceAfter Service

To provide solid support for all after-sales services, ensuring service quality and efficiency:

1. National service outlets:Establishing service outlets and testing centers in major industrial cities in China to achieve regional service coverage and shorten on-site service response time;

2. Original factory engineering team:All service engineers have undergone professional training and assessment, possess the ability to debug, repair, and calibrate sensors/joint modules throughout the entire process, and are certified to work;

3. Standardized service process:Establish a standardized process from service acceptance, fault diagnosis, solution, service execution, and after-sales follow-up to ensure that every service is recorded, tracked, and guaranteed;

4. Service quality follow-up:After all services are completed, Follow up with customers within 72 hour, collect customer feedback, and continuously optimize service processes and quality.

Promise to quickly solve problems within 12 hours, 7x24Timely response within hours,36on-site maintenance within hours.

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