30-28 planetary DC gear motor

Dimension

28ZYT47 motor Technical Data

TYPE	Rated volt(V)	Rated torque (mN.m)	Rated speed (r/min)	No-load speed(r/min)	No-load current (A)	Output power(W)	Rated current(A)	Stall torque(mN.m)	Stall current(A)
28ZYT47-1242	12	6.5	3500	4250	0.075	2.5	0.32	35.9	1.44
28ZYT47-2438	24	7.1	3100	3800	0.037	2.4	0.16	37.6	0.7

28ZYT47- 1242 DC Motor

Reduction ratio	3.7	5.2	14	19	27	51	71	100	139	189	264	369	516	720
Rated speed(r/min)	944	675	255	182	130	69	49	35	25	18	13	9.5	6.8	4.9
Rated torque (Nm)	0.019	0.027	0.062	0.087	0.122	0.198	0.278	0.388	0.543	0.613	0.857	1.2	1.67	2.3
Emer gency stop torqne(Nm)	0.1	0.15	0.34	0.48	0.675	1.1	1.5	2.14	3.0	3.4	4.7	6.6	7.5	7.5
series	1		2			3				4
Efficiency (%)	80%		70%			60%				50%
Length(mm)(L)	31		40.1			49				57.9

28ZYT47-2438 DC Motor

Reduction ratio	3.7	5.2	14	19	27	51	71	100	139	189	264	369	516	720
Rated speed(r/min)	836	598	226	161	115	61	44	31	22	16	12	8.4	6.0	4.3
Rated torque (Nm)	0.021	0.029	0.068	0.095	0.133	0.217	0.303	0.424	0.593	0.67	0.94	1.31	1.8	2.5
Emer gency stop torqne(Nm)	0.111	0.16	0.36	0.5	0.7	1.15	1.6	2.2	3.1	3.5	4.9	6.9	7.5	7.5
series	1		2			3				4
Efficiency (%)	80%		70%			60%				50%
Length(mm)(L)	31		40.1			49				57.9

Note:

1.Reducer output torque=Imput torque*Reduction ratio*Efficiency
2.Reducer output speed=Input speed/Reduction ratio
3.Can be extended to 5 levels of deceleration, reduction ratio 1370~3730