Cable Tray Structure Classification & Selection Guide

Sep 09, 2026 Leave a message

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Perforated Tray - Straight Cable Tray

Model: SCTP-HDG60-SC-W200×H100×T1.5×L3000 mm

Ratings

Heat Dissipation: ★★★Excellent

Waterproofing:     ★★★Strong

Load Capacity:     ★★★★

Key Features & Options

Key Features: Light weight with high-density heat-dissipation perforations, combining heat dissipation with load-bearing performance and offering strong overall ventilation.

Features:available in stainless steel (304, 316), FRP (fiberglass reinforced plastic) and polymer plastic.

Available Materials: Hot-dip galvanized steel, electro-galvanized steel, stainless steel, FRP, etc.

Other Options: ES molded energy-saving type; FRP optional corrugated base

 

Common Size Table

Standard: Technical Specification for Steel Cable Tray Engineering, CECS 31:2017

Note: Tray lengths are customizable on demand. Optional lengths: 3 m / 4 m / 6 m. For H100 and below, the clear span is smaller; for heights above H100, the clear span is larger.

Height \ Width

50

100

150

200

300

400

500

600

800

1000

50

√

√

               

100

 

√

√

√

√

√

√

√

   

150

     

√

√

√

√

√

√

√

200

         

√

√

√

√

√

 

 

Minimum Allowable Plate Thickness of Various Tray Types (mm)

 

Standard: Technical Specification for Steel Cable Tray Engineering, T/CECS 31:2017

Width (B)

Flat Plate

Corrugated Bottom

Molded‑reinforced base

Trough

Bady

Cover

Side Plate

Corrugated

Cover

Trough bady

Cover

B < 300

1.2

1.0

1.0

0.7

0.6

0.8

0.6

300 ≤ B < 500

2.0

1.2

1.2

0.7

0.6

1.0

0.6

500 ≤ B < 800

3.0

1.5

1.4

0.8

0.6

1.2

0.6

B ≥ 800

Flat-plate tray structure not recommended

1.5

0.8

0.6

1.5

0.6

Note: As our company's product structure and manufacturing processes are continuously optimized, plate thicknesses are subject to change provided that product stability is maintained and load ratings are met. The actual plate thickness and calculation sheets of the delivered product shall follow the latest version.

 

Recommended Plate Thickness for Trays & Ladders (mm)

Standard: Energy-Saving Corrosion-Resistant Cable Tray, GB/T 23639-2017

Width (B)

Side Plate

Bottom Plate

Cover Plate

B < 300

≥ 1.2

≥ 0.7

≥ 0.5

300 ≤ B < 600

≥ 1.2

≥ 0.8

≥ 0.5

B ≥ 600

≥ 1.5

≥ 0.8

≥ 0.5

Note: The baffle thickness of the ladder tray shall be selected according to the side plate thickness.

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