The load capacity depends on the specific components of the system. Below is a summary from our Weight Capacity Guide:
Tracks
Click Rail, Up Rail, Xpo Rail, Deco Rail, Shadowline: 20 lb/ft (30 kg/m)
Contempo Track: 12.5 lb/ft (18 kg/m)
Classic Wall Track: 50 lb/ft (74 kg/m)
Classic ...