Center hung tray supports allow for quicker and easier cable installation by allowing cables to be deposited into tray systems from each side. There is a maximum load capacity per hanger of 318 kg (700 lbs) to 340 kg (750 lbs) with a maximum support spacing of 3. es in the industrial environment. Cable tray supports provide all of the structural support required for the cable trays, and they can be assembled in a number of configurations as required for the particular installation.