Mounting profile for lighting system of suspended ceiling

A mounting profile for a lighting system of suspended ceiling, comprising a lighting system profile which comprises a metal strip for fixing a wireless luminaire fitted with a magnet, and contact strips supplied with electricity for supplying mains adapters with terminals with electricity for wireless luminaires and fastening devices for installing the mounting profile to base ceiling, wherein the mounting profile further comprises an aluminum profile with three sections comprising of an upper section, a middle section and a lower section, wherein

• the middle section comprises an upper part, a middle part, and a lower part,
• the upper section comprises a vertical edge, and a horizontal edge which is turned inwards from top, forming a horizontal fixing groove for a horizontal mounting strip;
• the upper part of the middle section comprises inner horizontal edge and outer horizontal edge, which form a chamber;
• the middle part of the middle section is a channel for a contact block of the luminaire, and the lower part of the middle section a channel for a footing of the luminaire;
• on an inner side of the middle part of the middle section there are locking grooves for conductive contact strips connected to a mains adapter;
• at top of the middle part of the middle section there is a fixing groove for the metal strip;
• on outer sides of the middle section and the lower section there are vertical fixing grooves for a vertical mounting strip;
• a fastening device is fixed to the sides of the upper part of the middle section;
• on outer sides, the lower section comprises a recess at an acute angle a, which comprises an inner shorter edge, where the end comprises a protrusion pointed inwards and an outer longer edge, where the end comprises a round wider area;
• besides, the lower section comprises a horizontal fastening element on the outer sides.