2838-xxxx DC Motor with 28mm Planetary Gearbox

2838-1230 with 28mm Planetary Gearbox

Gear ratio		3.7	5.2	14	19	27	51	71	100	139	189	264	369	516	720
No Load Speed	rpm	809	579	214	158	111	59	42	30	22	16	11	8.1	5.8	4.2
Rated Speed	rpm	674	483	179	132	93	49	35	25	18	13	9.5	7	4.8	3.5
Rated Torque	N.m	0.008	0.012	0.028	0.038	0.05	0.09	0.13	0.18	0.25	0.31	0.43	0.5	0.5	0.5
Max Peak Torque	N.m	0.3	0.3	1.2	1.2	1.2	2.5	2.5	2.5	2.5	3	3	3	3	3
No. of Gear Trains		1	1	2	2	2	3	3	3	3	4	4	4	4	4
Gearbox Length L	mm	25.9	25.9	28.3	28.3	28.3	33.2	33.2	33.2	33.2	38.1	38.1	38.1	38.1	38.1

2838-1240 with 28mm Planetary Gearbox

Gear ratio		3.7	5.2	14	19	27	51	71	100	139	189	264	369	516	720
No Load Speed	rpm	1078	772	286	211	148	78	56	40	29	21	15.2	10.8	7.8	5.6
Rated Speed	rpm	701	502	186	137	96	51	37	29	23	14	9.8	7	5	3.6
Rated Torque	N.m	0.023	0.033	0.079	0.11	0.15	0.26	0.36	0.5	0.7	0.86	1.2	1.8	2.3	3
Max Peak Torque	N.m	0.3	0.3	1.2	1.2	1.2	2.5	2.5	2.5	2.5	3	3	3	3	3
No. of Gear Trains		1	1	2	2	2	3	3	3	3	4	4	4	4	4
Gearbox Length L	mm	25.9	25.9	28.3	28.3	28.3	33.2	33.2	33.2	33.2	38.1	38.1	38.1	38.1	38.1

2838-1250 with 28mm Planetary Gearbox

Gear ratio		3.7	5.2	14	19	27	51	71	100	139	189	264	369	516	720
No Load Speed	rpm	1348	965	357	263	185	98	70	50	36	26	19	13.6	9.7	6.9
Rated Speed	rpm	930	666	246	182	128	68	49	35	30	18	13	9.3	6.7	4.8
Rated Torque	N.m	0.023	0.033	0.079	0.11	0.15	0.26	0.36	0.5	0.7	0.86	1.2	1.8	2.3	3
Max Peak Torque	N.m	0.3	0.3	1.2	1.2	1.2	2.5	2.5	2.5	2.5	3	3	3	3	3
No. of Gear Trains		1	1	2	2	2	3	3	3	3	4	4	4	4	4
Gearbox Length L	mm	25.9	25.9	28.3	28.3	28.3	33.2	33.2	33.2	33.2	38.1	38.1	38.1	38.1	38.1

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*OUTPUT ON SHAFT OF MOTOR BEFORE GEARBOX

Gear ratio options: 3.7, 5.2, 14, 19, 27, 51, 71, 100, 139, 189, 264, 369, 516, 720
12V,24V versions are avaiable upon request

Motor Only	Motor Length	Rated Voltage	No Load Speed	No Load Current	Rated Speed	Rated Torque	Power Output
	mm	VDC	RPM	mA	RPM	mNm / Oz-in	Watts
2847-2450	47	24	5000	80	3800	7	2.8
2847-2467	47	24	6700	100	5100	15	8
2847-24100	47	24	10,000	160	7500	12	9.4
2847-2475	47	24	7450	110	6570	31	7.6
2838-1230	38	12	3000	70	2500	2.5	0.65
2838-1240	38	12	4000	80	2600	7	1.86
2838-1250	38	12	5000	100	3450	7	2.5