① 特点

Reduction ratio	224	184	184	31	31	12	184	31	31
Length ( L )      mm	29.5	29.5	29.5	25.7	25.7	25.7	29.5	25.7	25.7
Voltage          VDC	12	12	12	12	12	12	24	24	24
No-load speed  RPM	10	15	40	150	322	450	20	120	150
Rated speed  RPM	7	10.5	28	105	225	315	14	84	105
Rated torque  kg.cm	20	26.4	49.3	8.5	8.6	4.0	12	1.6	11.5
Rated Current   A	0.64	1.02	5.32	2.80	4.30	2.89	0.93	0.93	1.48

② 描述