small transmission gearbox Outline dimension:70,90,115,142,190mm Ratio:3-100 Noise:<65dB(A) customized products small transmission gearboxFeatures:1) Power: 5~15W, 15~25W, 25~40W, 40~60W, 60~90W, 90~120W, 120~150W, 150~200W 2) Ratio:i=3~100Rated output torqueN.M4.5-1800Instant stop torqueN.MTwo times of rated output torqueLifeHour30,000Full load efficiency95%,98%Operating temperature°C-25---+ ...