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Xinma Engineering Tool
A lightweight browser tool for preliminary cable tray sizing checks, built around practical fill, tray area, support span, and load-class assumptions used in early electrical routing work.
Estimate cable tray area from cable outside diameter, quantity, and selected fill ratio so early width and depth choices are easier to compare.
Review cable load in kg/m and compare it with simple IEC 61537-style load-class reference values for early engineering discussion.
Use the support span input to keep deflection checks visible during layout discussions, before final manufacturer tables are reviewed.
The calculator is intended for early-stage sizing, RFQ review, and communication between project teams. Final tray selection should still be checked against project specifications, local electrical codes, manufacturer load tables, installation conditions, and the applicable engineering authority.
The calculator is based on practical cable tray sizing concepts discussed in Xinma’s cable tray size calculation guide.