The invention relates to the field of test devices, in particular to a breaker brake-separating and tripping force test device which is mainly used in a brake-separating and tripping assembly in a test ring power cable breaker mechanism and is provided with a bracket, wherein the upper part of the bracket is movably connected with a rotating lever fixing a workpiece to be tested, the lower part of the bracket is provided with a power storage device driving the rotating lever to rotate, the upper part of the bracket is provided with a thrust test device for pushing the workpiece to trip, the power storage device comprises an energy storage handle, a transmission mechanism driven by the energy storage handle to rotate and an energy storage meter moving under the drive of the transmission mechanism, the upper end of the energy storage meter is fixed with a top rod driving the rotating lever to rotate, the thrust test device comprises a tripping handle, a tripping and brake-separating force meter moving under the drive of the tripping handle, and the top end of the tripping and brake-separating force meter is fixed with a push rod for pushing the workpiece to be tested to trip. The invention is economic, practical, efficient and accurate; and by using the device, the reliability index of the brake-separating and tripping force of the assembly to be tested is greatly improved.