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rail_tie_block v. 1.0.0

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About This File

My designs I have done for high power rocketry bays led me to design connector blocks specialized for that environment. I have taken one of my older designs and remixed it to mount as a right angle four post block for signal and fan wiring. I do like the WAGOs but only for AC/Mains. This block gives you four isolated posts in a space that fits into a extrusion rail with a M3 hammerhead nut.

Printed Part

  • 4_post_Wiring_Block_M3_rail

Other parts

  • four M3 thermal inserts
  • one M3x12 screw for mounting block
  • one M3 hammerhead T-nut
  • four M3x6 pan head or button head non-oxide screws (shiny)
  • four M3 internal lock washers
  • eight M3 brass washers

You can use spade terminals or wrap a loop of wire between the brass washers. Personally, I would use a spade terminal for the controller connection and just strip off the ends of the fan wires, twist them together and wrap it around the post. When a fan goes bad, replacement would be the easist this way.

Of note, I have the panels from Printed Solid shown in the picture. The block is only 12mm high, so it can fit against the panel for use in the electronic section.

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