A steel truss mounting plate designed to hold one EUROLITE MD-1015, MD-1030, or MD-1515 mirrorball motor. The motor is clamped onto the plate for installation on a suitable truss structure. The plate measures 16 cm in width, 13 cm in depth, and 1 cm in height. Its maximum working load limit is 24 kg with a fourfold safety factor, and its weight is 0.91 kg. The product is made in Europe.