YP series electro-hydraulic disc brakes are high performance products acted on high speed shafts of drive mechanism, which have advanced function such as automatic shoe clearance balancing and lining automatic wear compensation. The brakes in service are basically free of maintenance. Meanwhile, various limit switches can be equipped to provide the main machinery with necessary interlocking protection signals. Therefore, if fits very well for mechanism deceleration and stop/braking of various large and special handling machinery with high self-control, hoisting and metallurgical machinery.