e.g. PJ-DVR50-1000, PJ means accessories of wire mesh cable
tray; DVR means divider; 50 means it fits for 50mm high wire
mesh cable tray; 1000 means 1000mm long per piece
Instruction manuals:
Suitable for: Isolating strong and weak electricity, often used in
data center
Fit for: Wire diameter from 3.5mm to 6.0mm, covering all sizes
of cable trays