NEMA 23 Round Brushless DC Motor - 4 poles 57mm Diameter

Gearbox and encoder may be fitted as required
24 volt, 2000rpm 4000rpm 6000rpm, 8 Oz-in ~ 64 oz-in (0.055 Nm~ 0.45 Nm),
17W ~ 140W (1/5hp)

NEMA 23-Round-Brushless-DC Motor-4-poles-57mm-Diameternema23-round-brushless-dc-motor

General Specifications 
Winding connectionStar / WYE
Hall effect angle120 degree electrical angle
Radial play0.02mm@450g
End play0.02mm@450g
Max. radial force75N @ 10mm from the flange
Max. axial force15N
Insulation classClass B
Dielectric strength500VDC for one minute
Insulation resistance100MΩ min., 500VDC
Model GM57BLY
95-130
GM57BLY
115-120
GM57BLY
45-230
GM57BLY
55-230
GM57BLY
75-230
GM57BLY
75-270
GM57BLY
95-230
GM57BLY
95-215
GM57BLY
95-260
GM57BLY
115-230
GM57BLY
115-215
GM57BLY
115-340
Number of pole4 Poles
Number of phase3 Phase
Rated voltageVolt121224242424242424242436
Rated speedRPM300020003000300030007000300015006000300015004000
Rated torqueOz-in48648163232484848646464
Nm0.330.450.0550.110.220.220.330.330.330.450.450.45
Rated currentA13131.162.44.8106.63.3138.64.37.6
Rated powerWatt1001001735701541055021014070180
Peak torqueOz-in14414424489696144144144192192192
Nm11.350.1650.330.660.661111.351.351.35
Peak currentA40403.487.214.43019.89.94025.812.922.8
Rotor inertiag.c㎡1732303275119119173173173230230230
Body lengthmm9511545557575959595115115115
WeightKg11.250.330.440.750.751111.251.251.25

Dimensions (mm) – Two options of faceplates


Wiring Diagram

GM57BLY55-230 Speed vs Torque Curve

Rated n = 3000 rpm, Rated T = 0.11 Nm

GM57BLY55-230 NEMA 23 BLDC Motor Torque Speed Curve

GM57BLY95-230 Speed vs Torque Curve

Rated n = 3000 rpm,  Rated T = 0.33 Nm

GM57BLY95-230 NEMA 23 BLDC Motor Speed Torque Curve

GM57BLY95-114 Speed vs Torque Curve

12V, Rated n = 1400 rpm, Rated T = 0.3 Nm

12V NEMA 23 BLDC Motor Speed Torque Curve

GM57BLY95-130 Speed vs Torque Curve

12V, Rated n = 3000 rpm, Rated T = 0.33 Nm

12V 3000rpm BLDC motor speed torque curve

GM57BLY115-117 Speed vs Torque Curve

12V, Rated n = 1700 rpm, Rated T = 0.45 Nm

NEMA 23 BLDC Motor 1700 rpm speed torque curve

GM57BLY115-230 Speed vs Torque Curve

24V, Rated n = 3000 rpm, Rated T = 0.45 Nm

NEMA 23 BLDC Motor 3000rpm speed torque curve