SS - LIGHT DUTY: Tray depth 12mm and 18mm | MRF - MEDIUM DUTY: Tray depth 25mm | SRF - HEAVY DUTY: Tray depth 50mm | XRF - EXTRA HEAVY DUTY: Tray depth 80mmSS - LIGHT DUTY: Tray depth 12mm and 18mm | MRF - MEDIUM DUTY: Tray depth 25mm | SRF - HEAVY DUTY: Tray depth 50mm | XRF - EXTRA HEAVY DUTY: Tray depth 80mmThe distinctive slot pattern on Swifts cable tray provides installers with total flexibility. Available in four depths, this strong, durable system has been designed with fast-fit features. Each system is supported by a fully integrated range of time saving fixings and fittings that make it quick. In practice, cable tray dimensions are a system of interrelated measurements —width, depth, length, and material thickness—that directly affect cable fill compliance, heat dissipation, structural loading, and long-term expandability. The mechanical and electrical characteristics, tests, certifications, overall quality management, recommendations mentioned in this technical guide only apply to our own cable management ranges and cannot under any circumstances be transposed to si osure, overheating or. This publication is intended as a practical guide for the proper and safe* installation of cable ladder systems, cable tray systems, channel support systems and associated supports. Cable ladder systems and cable tray systems shall be manufactured in accordance with BS EN 61537, channel support. H40, H50, H60 UKFE cable trays are compatible with UKE and UKFG modules. Please indicate order code in your orders. Please contact your representative for inquiries regarding stainless steel. Here in the UK, standard widths run from a slim 50mm for a handful of data runs right up to 900mm or more for the heavy-duty containment needed in data centres. Nailing these dimensions from the start is about more than just a tidy desk; it's about guaranteeing proper cable management, stopping.