... down: Optional functionOverload Protection: YesFeatures:Brushless, lower friction, low noise & vibration, low temperature rise, longer uselife, smaller & lighter, more efficient ... more than 70% energy than clutch motorAdvantages1. Low vibration & noise, and could help to improve production efficiency by ... adjusted in the range of 0-5000R/MIN5. Low temperature rise, works stable, reliable and safe.6 ...