PS WPS series,Planetary Gearbox 1Type: 40mm---400mm 2. Ratio: 3---10,000 3 ... 3 arcmin PS WPS SERIES,Planetary Gearbox,Planetary Gear Reducer,cylindrical external shell, small volume, compact structure, output end planPlanetary Gear Box,Planetary gear reducer,Planetary reducer,gearbox,gearmotor Featurescylindrical external ... ,000Nm precision grade:3 arcmin Installation: random, PS WPS Planetary gearbox