The PosiStop oil shear coupler brake from Force Control Industries is a suitable replacement for electric brakes mounted on the back of a special brake motor. PosiStop mounts to the working end of a standard C-face motor and can be used for nonbrake applications. The air or hydraulically actuated brakes are suitable for electrically released motor brake applications, including palletizers, conveyors, hoists, loaders, and unloaders. The brakes are not frequently removed or opened for maintenance and adjustment, and oil shear technology extends life span compared to standard electric motor brakes. Features include oil lubricated bearings and Teflon liners on all piston sealing areas for a smooth response and O-ring breakage elimination. Solid cast iron or aluminum enclosed housings protect the brakes from adverse environments including dust, dirt, and moisture, and a collet design hub connection eliminates key and keyway failures and improves disassembly.