Electrical apparatus having a solar power supply

The present invention concerns an electrical apparatus comprising electrically powered operating elements (12) designed to perform a primary function of the apparatus, apparatus controlling electronics (16) and a power circuit (15) for the electronics, connected between a power-distribution network (13) and the electronics (16), the apparatus also comprising a solar power supply (14). The solar power supply comprises a solar power source (19), which is constantly connected to the electronics (16) of the apparatus via a switchless electric circuit, for powering it.