電子工作

Relay 3D models: enclosures, sockets, mounts

This collection brings together STL files for relay accessories, including multi-channel module cases, socket blocks with fuse holders, WiFi smart-switch enclosures and DIN rail mounts. You will find models designed to protect relay boards, organize wiring and fix modules inside projects. Many are straightforward prints that help you integrate relays into custom electronics setups on a standard 3D printer. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

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選定基準：Polyzon編集部 · 本文の更新日：2026年10月9日

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«Relay 3D models: enclosures, sockets, mounts»

The collection covers socket blocks for fused relay circuits, enclosed cases for multi-channel modules, and housings for WiFi smart switches, microcontroller shields and temperature controllers. Some designs are open mounting brackets with DIN clips, while others are fully enclosed boxes with wire management. The variety reflects both industrial wiring needs and compact home automation setups.

When choosing a model, confirm the target relay type on the author’s page, because a case shaped for a multi-channel board will not fit a different layout. Check the listed dimensions, number of printed parts, and whether the assembly requires hardware such as screws or nuts. Look at photos of real prints to verify wire openings, terminal access and overall fit before you print.

To narrow results, try terms like "relay socket", "smart switch mount", "DIN rail holder", "fuse block" or "temperature relay housing". If you are building around a specific microcontroller shield, include the board family in your query; for home automation projects, combine with "Zigbee" or "WiFi enclosure".

FAQ

よくある質問

Will a multi-channel relay case fit any relay board?
Usually not. Each case is modeled for a specific board outline and terminal layout, so compare the author’s dimensions against your relay module before printing.
What should I check if I want to mount a smart switch on a DIN rail?
Look at whether the model is a clip-on bracket or a full enclosure with a DIN adapter, and confirm the screw hole spacing matches your switch.
Can I adapt a socket block model for a different relay pin count?
Most socket blocks are designed for a specific pin configuration, such as five-pin relays. Scaling the STL is unlikely to change pin spacing correctly, so search for a block that matches your relay’s contact layout.
Are there models that combine a relay case with a microcontroller board?
Yes, you can find housings that fit both a relay shield and a development board. Check the author description for the specific board variant and whether the case includes wire strain relief.
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