CHS refers to a brand and manufacturer of cable trays and wiring accessories, not a specific structural type of tray.

CHS is a Chinese company specializing in wiring equipment, cable trays, and related electrical components. Their cable trays are produced according to international standards such as UL568 and UL62275, ensuring compliance with safety and performance requirements . CHS manufactures a variety of cable tray types, including metallic, macromolecule alloy, and GRP (glass-reinforced plastic) trays, which are suitable for industrial, commercial, and specialized applications .

Features and Certifications

CHS cable trays are designed to support insulated electrical cables for power distribution, control, instrumentation, and communication. Some key features include:

• Fire resistance: Macromolecule alloy trays have passed fireproof testing and reached Antifire 81 level .
• Environmental compliance: Products meet ROHS/REACH standards for environmental protection .
• Quality assurance: CHS has obtained UL witness test data, CE certification for heat shrinkable tubings, and ISO9001/ISO14001 certifications .
• Material options: They offer metallic, polymer, and composite trays suitable for different load capacities and environmental conditions .

Applications

CHS cable trays are used in:

• Industrial plants and factories
• Commercial buildings
• Telecommunication and data centers
• Marine and offshore installations (with DNV certification for cable ties and glands)

Summary

While CHS is not a type of cable tray like ladder, perforated, or channel trays, it is a manufacturer that produces various cable tray types with high-quality standards, certifications, and specialized materials. When specifying CHS cable trays, engineers typically select the structural type (e.g., ladder, channel, or solid-bottom) based on project requirements, while CHS provides the compliant and certified product.