Gearbox Stages	2	3	4
MAX. Continuous output torque (Nm)	0.9	1.6	2
MAX. Instant mobilization torque (Nm)	1.15	2	2.5
Reduction ratio	16,21,26,28,35	62,83,103,111,138,150,172,186,231	243,326,406,439,546,590,679,734,794,913,987,1135,1227,1526
Outer diameter (mm)	19
Gearbox length（mm)	29.9	37	41
Maximum efficiency(%)	80	70	60
Recommended temperature range(℃）	-30~+100	-30~+100	-30~+100
MAX. Gearbox weight (G)	40.2	60.2	62.2
Maximum transmission power (continuous)（W)	15	7	2
Maximum transmission power(instantaneous)（W)	19	9	3
Air load average empty return (°)	0.7
The maximum axial load (dynamic)(N)	40	40	40
The maximum radial load (4mm from France)(N)	100	120	120
Output Bearing	Ball bearing
Axial gap(mm)	0~0.1

Model	Rated voltage	Air load data		Load data			Total length	Gearbox rated torque	Gearbox instantaneous torque	Reduction ratio	Gearbox length L1
Model	Rated voltage	Air -load speed	No-load current	Load speed	Load current	Torque	Total length	Gearbox rated torque	Gearbox instantaneous torque	Reduction ratio	Gearbox length L1
	(V)	（rpm）	（mAmax）	（rpm）	（AMax）	（NM）	(mm)	(NM)	(NM)	/	(mm)
ZWSMD019019-16	12	513	200	331	1.5	0.126	60.9	0.9	1.15	16	29.9
ZWSMD019019-21	12	390	200	252	1.5	0.165				21
ZWSMD019019-26	12	315	200	204	1.5	0.204				26
ZWSMD019019-28	12	293	200	189	1.5	0.220				28
ZWSMD019019-35	12	234	200	151	1.5	0.275				35
ZWSMD019019-44	12	186	200	120	1.5	0.345				44
ZWSMD019019-62	12	132	250	85	1.6	0.426	68	1.6	2	62	37
ZWSMD019019-83	12	99	250	64	1.6	0.570				83
ZWSMD019019-103	12	80	250	51	1.6	0.707				103
ZWSMD019019-111	12	74	250	48	1.6	0.762				111
ZWSMD019019-138	12	59	250	38	1.6	0.948				138
ZWSMD019019-150	12	55	250	35	1.6	1.030				150
ZWSMD019019-172	12	48	250	31	1.6	1.181				172
ZWSMD019019-186	12	44	250	28	1.6	1.277				186
ZWSMD019019-231	12	35	250	23	1.6	1.586				231
ZWSMD019019-243	12	34	250	22	1.6	1.600				243
ZWSMD019019-326	12	25	300	16	1.7	2.500	72	2	2.5	326	41
ZWSMD019019-406	12	20	300	13	1.7	2.500				406
ZWSMD019019-439	12	19	300	12	1.7	2.500				439
ZWSMD019019-546	12	15	300	10	1.7	2.500				546
ZWSMD019019-590	12	14	300	9	1.7	2.500				590
ZWSMD019019-679	12	12	300	8	1.7	2.500				679
ZWSMD019019-734	12	11	300	7	1.7	2.500				734
ZWSMD019019-794	12	10	300	7	1.7	2.500				794
ZWSMD019019-913	12	9	300	6	1.7	2.500				913
ZWSMD019019-987	12	8	300	5	1.7	2.500				987
ZWSMD019019-1135	12	7	300	5	1.7	2.500				1135
ZWSMD019019-1227	12	7	300	4	1.7	2.500				1227
ZWSMD019019-1526	12	5	300	3	1.7	2.500				1526

6V Gear Motor (19 mm)

Parameters：