Brushless DC Motor

Product Range -25Watts to 750 Watts

General Specifications :
Hall effect angle 120 degree electrical angle
Shaft run out 0.025mm
Radial play 0.02mm@450g
End play 0.08mm@450g
Max. radial force 28N @ 20mm from the flange
Max. axial force 10N
Insulation class Class B
Dielectric strength 500VDC for one minute
Insulation resistance 100M Min., 500VDC
Model SM42BLS41 SM42BLS61 SM42BLS81 SMBLS100
Number of poles 8
Number of phase 3
Rated voltage (VDC) 24
Rated speed (RPM) 4000
Continuous stall torque (N.m) 0.075 0.15 0.22 0.3
Rated torque (N.m) 0.0625 0.125 0.185 0.25
Rated power (W) 26 52.5 77.5 105
Peak Torque (N.m) 0.19 0.38 0.56 0.75
Peak Current (A) 5.4 10.6 15.5 20
Line to line resistance (Ohms) 1.8 0.8 0.55 0.28
Line to line inductance (mH) 2.6 1.2 0.8 0.54
Torque Constant (Nm/A) 0.035 0.0355 0.036 0.0376
Back E.M.F (Vms/KRPM) 3.66 3.72 3.76 3.94
Rotor inertia (g.cm2) 24 48 72 96
Body length (mm) 41 61 81 100
Weight (Kg) 0.30 0.45 0.65 0.8