39HB series two four phase hybrid stepper motorDetailed product description：

39HB series 24 phase hybrid stepper motor (39BYG250A/B/C)

Step Accuracy ± 5%
Temperature Rise 75 ℃ Max
Environmental Temperature Range: -20 ℃~+50 ℃
Insulation Class B
Insulation Resistance 500VDC 100M Ω Min
Dielectric Strength 500VAC 50Hz 1Ma Minute
Radial runout 0.02mmMax (450g load)
Axial clearance 0.08mmMax (450g load)
Matcheddriver YK2203MA/YK2304MA/YK2404MA A A

Technical Specifications for 39HB Series 24 Phase Hybrid Stepper Motor

model Model	step angle Step Angle (O)	Body length Length L(mm)	rated current Current (A/phase)	Phase resistance Resistance (Ω/phase)	mutual inductance Inductance (mH/phase)	Maintain torque Holding torque (N.m)	moment of inertia Rotor inertia (g.cmtwo)	weight Weight (kg)
39HB20-054	one point eight	twenty	zero point four eight	twenty-five	twenty-two	zero point one	eleven	zero point one two
39HB20-044	one point eight	twenty	zero point four zero	six point eight	six point five	zero point zero five five	eleven	zero point one two
39HB26-046	one point eight	twenty-six	zero point four two	fifteen	eight point five	zero point zero eight	thirteen	zero point one four
39HB31-056	one point eight	thirty-one	zero point five zero	nine	three point five	zero point one	eighteen	zero point one six
39HB34-044	one point eight	thirty-four	zero point four zero	thirty	forty-two	zero point two one	twenty	zero point one eight
39HB34-104	one point eight	thirty-four	one	five	three	zero point one eight	twenty	zero point one eight