NEMA 34 90mm Big Torque Brushless DC Motor - 8 Poles

Gearbox and encoder may be fitted as required
12 volt 24volt 48 volt 310 volt, 1000rpm 3000rpm,
0.5 N.m ~ 2.5 N.m ( 70 Oz.in ~ 355 Oz.in), 90W ~ 785W

nema34-brushless-dc-motor-90mm

General Specifications 
Winding connectionStar / WYE
Hall effect angle120 degree electrical angle
Radial play0.02mm@450g
End play0.08mm@450g
Max. radial force220N @ 20mm from the flange
Max. axial force60N
Insulation classClass B
Dielectric strength500VDC for one minute
Insulation resistance100MΩ min., 500VDC

Model GM90S-681230GM90S-75A30GM90S-88C10GM90S-88C30GM90S-108C10GM90S-108C30GM90S-136E10GM90S-136E30
Number of pole8 pole
Number of phase3 phase
Rated voltageVolt122448484848310310
Rated speedRPM30003000100030001000300010003000
Continuous stall torqueOz-in85114142142270270425425
Nm0.60.8111.91.933
Rated torqueOz-in71100121121241241355355
Nm0.50.70.850.851.71.72.52.5
Rotor powerWatt15722089267178534262785
Peak torqueOz-in21330036136172272210621062
Nm1.52.12.552.555.15.17.57.5
Peak currentA50.4357.921.416.942.849.7
Back E.M.FV/KRPM3.153.1534.312.63212.620081.5
Rotor inertiakg.c㎡0.60.81.21.21.81.82.652.65
Body lengthmm68758888108108136136
WeightKg1.41.72.12.12.62.64.14.1

Dimensions (mm)

GM90BLF 90mm brushless DC motor drawing

Wiring Diagram