30mm Slotless Brushless DC Motor

30ZWWC65 Rated Power is 65W and Peak Torque is 1122.08mN.m.

Slotless Brushless DC Motor images

Motor Characteristics

Motor part number   30ZWWC65
Pole pair - 2
Phase-to-phase resistance Ω 0.5
Phase-to-phase inductance mH 0.05
Winding connection method - Star connection
Insulation class - B
Duty type - S1
Feedback method - Hall sensors
Commutation angle - 120°
Insulation strength (Withstand voltage) - 500VAC/1KHz/1mA/1s
Insulation resistance - 100 MΩ/500VDC
Weight g 230
Rated voltage V 24
Rated power W 65
Rated torque mN·m 90
Rated speed RPM 6900
Rated current A 3.85
No load speed RPM 9200
No load current A 0.3
Motor efficiency % 86
Noise
(Ambient noise 20db, test distance 1m)
dB <50
Thermal Resistance
(no load)
K/W 0.31 
Thermal time constant (no load) S 1200
Ambient temperature 23
Max. winding temperature (no load) 43.2
Torque constant mNm/A 23.38 
Back-EMF constant - peak value V/Krpm 3.46 
Back-EMF constant - effective value V/Krpm 2.45 
Peak torque mN·m 1122.08 
Peak current A 48 
Inertia moment g·cm² 28
Mechanical time constant ms 2.56 
End bell - Stainless steel
Bearing - Deep Groove Ball Bearing
Magnet - Sinter NdFeB
Rotation shaft - Carbon Steel

Dimensional Drawing

Torque Performance Curves