Ladder cable tray is an open cable support composed of two side beams (usually C-shaped or L-shaped steel beams) welded or bolted to multiple layers of crossbars (steps), and it is named for its structure similar to a ladder. It is mainly used to carry large-diameter and heavy-weight power cables or communication optical cables, and is suitable for places that require high-strength support and good ventilation.

Structural features:

· Main frame: The side beams on both sides (with a height usually ranging from 50mm to 200mm) and the crossbars (with a spacing of 150mm to 300mm) form a stepped structure.

· Open design: No cover plate, the cable is directly fixed on the crossbar, with excellent heat dissipation performance.

· Scalability: It can be extended in multiple directions horizontally and vertically through connectors.

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