... without slip ring dry, electricity-work, non-rotating coil, a vice-friction, compact, torque delivery, rapid response, no load ... and part of the on-off, fixed-inch, speed, is a reversal, overload protection, the realization of torque transmission and control ... C(W)11152025354560100Permissible relative rotationvelocity (rpm)6000500040003500300020001500 Dry Single-plate magnetic clutch without sliping