DIN Rail Systems

Where DIN rail systems are used

Every distribution board and control panel needs one thing before anything else can go in it: a mounting plane. The 35 mm top-hat rail is that plane. Circuit breakers, residual current devices, terminal blocks, relays, contactors, power supplies and meters all clip onto the same profile, which is why a panel can mix devices from several manufacturers in a single row. Demte produces its rails in compliance with IEC 60715 (EN 60715), the standard that defines the profile.

What is in this family

• DIN rail profiles — 35 × 7.5 mm and 35 × 15 mm, slotted and unslotted, in full 2000 mm lengths, pre-cut sizes from 150 to 450 mm, and cut to any length on request.
• Rail cutting tools — bench tools that cut rail, tie rod and copper busbar, with three- and four-socket versions and punch options.

How the rails are produced

Rails are cut on automated flying-shear lines: the shear travels with the moving profile instead of stopping it, so the section is not crushed at the cut and the edge leaves the machine burr-free. For a panel builder that removes a whole step — no deburring before assembly — and removes the sharp edge that catches hands and cable insulation during wiring.

Choosing a rail

• Profile — 35 × 7.5 mm for most boards and panels; 35 × 15 mm where the rail spans a long distance without support or carries a heavy row of devices.
• Hole pattern — slotted rails can be fixed and adjusted anywhere along their length; unslotted rails are drilled on site or fixed by other means.
• Length — pre-cut sizes are matched to module counts, so the rail drops into a standard enclosure without cutting. Full 2000 mm lengths suit builders who cut in house.
• Finish — zinc-plated steel with RoHS-compliant passivation; pregalvanized and Cr+3 coatings.