SPACE SAVING ELECTRICAL DEVICES ARRANGEMENT FOR INSTALLATION ON A MOUNTING RAIL AND CONNECTOR DEVICES FOR A SPACE SAVING ELECTRICAL DEVICES ARRANGEMENT FOR INSTALLATION ON A MOUNTING RAIL OR MOUNTING PLATE

An arrangement (10) of electrical devices for installation on a mounting rail (12) is disclosed, which comprises a first electrical device (14) being configured for installation on the mounting rail (12), a first connector device (16) comprising upper connection means for mounting and electrically connecting to the bottom side of the first electrical device (14) and comprising lower connection means for mounting and electrically connecting to one or more electrical devices, wherein the lower connection means are configured for mounting two or more electrical devices arranged in a row being vertical to the mounting rail, at least one second electrical device (18, 20), and a second connector device (22) comprising upper connection means for mounting and electrically connecting to the bottom side of the at least one second electrical device and comprising lower connection means for electrically connecting to wires (24), wherein the upper connection means are configured for mounting to two or more electrical devices arranged in a row being vertical to the mounting rail, and wherein the bottom side of the first electrical device (14) is mounted on and electrically connected to the upper connection means of the first connector device (16), the upper side of the at least one second electrical device (18, 20) is mounted and electrically connected to the lower connection means of the first connector device (16), and the lower side of the at least one second electrical device (18, 20) is mounted on and electrically connected to the upper connection means of the second connector device (22).