Power supply unit for powering a call system

Abstract

Power supply unit (1) for powering a call system, in particular a nurse call system for a disabled toilet or a small call system, comprising at least one mains-connected first power supply unit (2), at least one mains-independent second power supply unit (3) and at least one electronic unit (4), wherein the power supply unit (1) can be accommodated in a flush-mounted box (100) and can be covered or is covered from the environment by at least one cover device (101), characterized in that the power supply unit (1) has at least one first receiving area (15) for accommodating the at least one mains-independent second power supply unit (3) of the power supply unit (1),at least one second receiving area (16) for receiving the at least one mains-connected first power supply unit (2) and at least one separating device (17) for separating the at least one first and the at least one second receiving area (15, 16) from each other, wherein the at least one first receiving area (15) is open in the direction away from the separating device (17) and the at least one second receiving area (16), so that after removal of the at least one cover device (101) the at least one mains-independent second power supply unit (1) in the at least one first receiving area (15) is directly accessible.