Based on this product's specifications, here are some alternatives and similar models
Baks elbow for cable tray KKL100H42 90° 100 mm 142110
Summary description:
Baks KKL100H42 elbow is a 90° connector for cable tray systems with a 100 mm width (model 142110). Designed to change cable routing direction in tray installations, it provides a right-angle transition for electrical and data cabling runs. Suitable for commercial and industrial cable management where a durable, dimension-matched elbow is required.