For the permanent protection against frequent overload, our magnetic couplings are the right choice. They work absolutely wear free and for that reason they are of fatigue strength and maintenance-free. The simple connection by using clamping hubs and the quick adjustment of the overload torque via the insertion depth of the inner into the outer rotor, allow a fast and uncomplicated use. The following operating principles are possible: the permanent magnetic coupling, which starts „bucking“ in case of overload and the hysteresis coupling which slides similar to the sliding coupling.