Standard active brake hydraulic applied & spring released. The BSAK 300 & 3000 is available as dual- and mono-action.
A wind turbine rotor brake is a brake placed next to the gearbox that reduces the rotational speed of the blade assembly, fixes the blade so that it does not rotate in the case of power transmission maintenance or power generator rest, and in an emergency, has the emergency function of stopping power transmission in the event of an aerodynamic brake failure due to a problem with blade pitch control