Cable tray support arm model specifications

Cable tray support arms, such as the Cantilever Arm 41x21, are available in various sizes and configurations to securely support cable trays, conduits, and other installations.Common Models and DimensionsCantilever Arm 41x21Dimensions: 41 mm x 21 mm horizontal supportLength: Total length equals cable tray width + 55 mm to allow separation from the wall or surfaceWidths Supported: 100 mm to 1000 mm depending on the protection systemMaterial: Steel, available with various protective coatingsApplications: Supports cable trays (Rejiband®, Pemsaband®, Megaband®), electrical conduits, heating pipes, A/C, and fire protection systemsMounting: Wall-fixed horizontal support; compatible with Strut clip (part number 67030049) for quick installationStandards: Load values according to IEC 61537; CE compliant with directive 2014/35/EU Hanging Bars and ClampsLoad Capacity: Up to 280 lbs per foot when spaced every 8 feetMounting: Suspended from threaded rods (1/4", 3/8", or 1/2") using hanging clamps or slotted strut channelsMaterial: Zinc-plated for corrosion resistanceApplications: Wire mesh trays, cable bundles, and hose routing in curves, slopes, and tees Selection ConsiderationsTray Width and Load: Choose a support arm that accommodates the tray width and expected cable weightMounting Type: Wall-mounted, ceiling-suspended, or floor-supported depending on installation siteMaterial and Protection: Steel, stainless steel, or coated finishes for corrosion resistance in different environmentsStandards Compliance: Ensure supports meet IEC 61537 or BS EN 61537 for mechanical and electrical performance Installation TipsMaintain proper spacing between supports to prevent saggingUse compatible mounting accessories like strut clips or threaded rodsEnsure separation from walls or surfaces to allow airflow and heat dissipationVerify load ratings and environmental suitability for the specific installation By selecting the correct model, size, and mounting configuration, cable tray support arms provide robust, safe, and compliant support for electrical and mechanical installations.