Home  >  Industrial Supplies  >  Motors  >  Stepper Motor

28PA/28BYG Stepping motor planetary gear reducer, 1. stepping motor, 2.dc gearmotor reducer, 3. planet gearmotor, 4.motor - details see: https://www.machineto.com/28pa-28byg-stepping-motor-10238855

28PAXXXG Gearbox parameters XXX=Reduction Ratio

Reduction Ratio(X:1)	3.7	5.2	13	19	27	51	71	100	139	189	264
Number of gear trains	1	1	2	2	2	3	3	3	3	4	4
Rated output torque(kg.cm)	20	20	30	30	30	40	40	40	40	40	40
Gear Box Length(mm)	27	27	35	35	35	43	43	43	43	50.5	50.5

Motor parameters

Model	Step Angle	Length (Ld)	Phase Voltage	Phase Current	Phase Resistance	Phase Inductance	Holding Torque	Lead Wire
28BYGH32-067-4A/B	1.8	32mm	3.75V	0.67A	5.6Ω	3.4mH	600g.cm	4
28BYGH32-095-6A/B	1.8	32mm	2.66V	0.95A	2.8Ω	0.8mH	430g.cm	6
28BYGH45-067-4A/B	1.8	45mm	4.56V	0.67A	6.8Ω	4.9mH	950g.cm	4
28BYGH45-095-6A/B	1.8	45mm	3.22V	0.95A	3.4Ω	1.2mH	750g.cm	6
28BYGH51-067-4A/B	1.8	51mm	6.20V	0.67A	9.2Ω	7.2mH	1200g.cm	4
28BYGH51-095-6A/B	1.8	51mm	4.35V	0.95A	4.6Ω	1.8mH	900g.cm	6

Gearbox diameter:φ28mm
Output shaft diameter:φ6mm
We could customize to meet your special requirements.