42 series: rotor diameter Φ 52 height 30 applied to air purifiers/fans (shaft diameter Φ8)

Item Specification
Winding Type Star
Rotor position detection Hall element(inductive) Counter-electromotive force(non inductive)
Driving Waveform 3-phase full wave: square wave/sine wave (FOC)
Driving Waveform CLOCK / PWM / VSP
Signal Frequency 20KHz(1K-25KHz)
Pole and Slot Numbers 10 Poles, 12 Slots
Insulation Withstand Voltage AC 500V 60S/AC 600V 1s 1mA
Insulation Resistance 10MΩ MIN DC 500V
Insulation Class Class B
Structure Outer Rotor
Axial Movement 0.1mm MAX
Radial Runout 0.04mm MAX
Bearing Type Ball Bearing
Ambient Temperature -20°C~+50°C
Direction CW / CCW
Motor Item unit MI-JK42HM240
Rated Voltage VDC 24
Rated Speed rpm 1000
Rated Torque mN*m 24.5
Rated Current A 1
Rated Power W 24
Peak Current A 4
BEMF constant Ke V. s/rad 0. 055
Resistance Q 3.68
Inductance m H 4.11
Length mm 30.4
Weight g 200
Noise dB (A) 0.5m 38
Item Specification
Voltage Range DC 12V-24V
Speed Accuracy ±3%
RPM Range 500rpm-4000rpm
Power Range 20W-60W
Efficiency 60%-82%
Load Fixing D-shaped Flat
Terminal Signal Vcc/FG/FR/GNG/PWM
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