... set to work when an AC power lost occurs DZD2 series single disc electromagnetic clutch/brakes character1.rated torque:2.4N ... noise,long service,easy installation7.small volume,weight light,any mounting direction,long-distance and focus control is easy implement. parameters ... 1.51.82.22.5Permissible relative rotationvelocity (rpm)6000500040003500300020001500 DZD2 series electromagnetic clutch/ brakes