External Emergency Stop Box

prusaprinters

<p><strong>APPLICATION OF THIS DESIGN SHOULD BE DONE BY </strong><i><strong>AUTHORIZED PERSONEL ONLY</strong></i><strong> - DEALING WITH 230V~ (MAINS in EU) </strong><i><strong>IS DANGEROUS</strong></i><strong> AND SHOULD NOT BE CARRIED OUT BY ANY PERSONS NOT HAVING THE PROPER QUALIFICATION!!!</strong></p><p>Multi part external emergency stop box used for my FLUX desktop laser cutter to stop in case of any issue or emergency like material catching fire.&nbsp;</p><p>You will need:</p><ul><li>&nbsp;a special “Kaltgeräte-Verlängerung” to connect the device to be stopped</li><li>mechanical emergency switch (available on i.e. Amazon)&nbsp;</li><li>“Kaltgeräte-Stecker” - jack</li><li>“Kaltgeräte-Buchse” - socket</li><li>M3 Scews and bolts - what fits best (used M3x15 on hand)&nbsp;</li><li>M3 screw inserts&nbsp;</li></ul><p>Print the “<i>FNA Box</i>” (or “<i>FNA Box klein</i>” used by myself) and the “<i>FNA Deckel</i>” in any “<i><strong>easy to see</strong></i>” color to make identification of the stop as easy as possible and print the “FNA Einleger” in any contrast color you like (i took white)</p><p>Assembly should be straight forward:&nbsp;</p><ul><li>use a soldering iron to fix the M3 screw inserts to the “<i>FNA Deckel</i>” and make sure they're flush with the outer contour of the cover</li><li>place the “FNA Einleger” into the cover and assemble the emergeny switch&nbsp;</li><li>assemble the jack and socket using M3 screws</li><li>wire everything up and check connections using a DMM - make sure the connections cannot touch each other as they're featuring mains voltage (<strong>!!! DANGER !!!</strong>)</li><li>close the box and secure the cover using 4 M3 screws</li></ul>