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DIN Rail Relay Mounts: 3D Models and STL Files

This collection gathers 3D models that put relay boards and modules onto DIN rail: clip-on holders, closed cases, adapters and panel layouts. It helps when you are building a control box and would rather mount a board than leave it loose inside. Most files are meant for FDM 3D printing, so confirm the scale before slicing. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

O texto desta coleção está em inglês; a busca funciona em qualquer idioma.

Como esta coleção é montada

O Polyzon monta esta coleção a partir dos resultados de busca dos sites conectados. Repetições e modelos sem prévia são removidos, correspondências fracas vão para o final e o restante segue a ordem da busca. Os modelos pertencem aos seus autores — confira os termos na página de cada modelo.

Regras de seleção: equipe editorial do Polyzon · Texto atualizado em 12/10/2026


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«DIN Rail Relay Mounts: 3D Models and STL Files»

The models differ mainly in what they carry and how they attach. Some are simple brackets that grip a multi-channel relay board, others are full cases that enclose a PCB, and a third group covers single smart relay modules or small boards with a microcontroller and a relay. There are also panels and test stands where several parts sit together, and vertical or dual adapters for tight cabinets.

When choosing a file, look at the rail profile it is drawn for, the footprint of your board, and where the screw holes sit. Check the orientation of the terminals, the space left for wires, and the wall thickness around the clip, since a thin clip flexes differently from a solid block. Read the material and settings the author lists, and look at photos of real prints to judge overhangs and how the part snaps on.

To widen the search, try other words for the same idea: rail bracket, carrier, holder, adapter, Hutschiene, or the number of channels you need. Related topics include PLC housings, terminal block mounts, junction boxes, sensor brackets and cabinet organizers, which often share the same rail geometry and can be mixed in one build.

FAQ

Perguntas frequentes

What is a DIN rail relay mount used for?
It holds a relay board or relay module on a standard rail inside a cabinet or panel, so the board stays in place and wiring stays tidy. Some versions are open brackets, others are closed cases.
How do I find a holder that fits my relay board?
Compare the board outline and mounting hole spacing with the dimensions given on the model page. Also check the rail type, the number of channels, and whether the terminals need extra clearance.
Do these parts need supports when printed?
It depends on the shape: clips, recesses and overhanging ledges may need them. The author's notes and photos of finished prints usually show how the part was oriented.
Which material works for a rail mount?
Authors often list the filament they used, and common choices are rigid plastics for the body. Consider how warm the spot near the terminals gets and how much force the clip takes when you snap it on.

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