This box segregates switches from other components to avoid negative interferences. It can be mounted onto the 19" profiles exactly where required. Opening for up to 22 modules (18 mm). Cable entrance in the rear 400 x 35 mm fitted. PWB03 ELDON Power distribution box, 3U PWB03 Electric Auto. Please refer to data sheet for details. This system has various PoE /HPoE output options.