A switchgear cabinet luminaire comprising illuminants on the basis of light emitting diodes, consisting of an elongated luminaire housing comprising housing main body and light-transmissive cover and electrical connection elements and means for fixing that are provided on the luminaire housing. The luminaire body is embodied in a trough-like fashion and a plurality of spaced-apart cutouts or recesses for releasably receiving a pivoting bearing carrier are provided on the underside of said luminaire body and/or in the side wall region. The pivoting bearing carrier has two side surfaces connected via a web, each side surface having a receptacle for a pivoting spindle. Arms are formed in a manner proceeding from the web and are oriented toward the underside or toward the side wall region of the housing main body and, at the free end of said arms, undergoing transition to a latching lug or to a latching hook.