Battery main switch panel mount

thingiverse

I bought battery main switches on eBay by searching for "Car Vehicle 300A Battery Disconnect Switch Master Power Isolator Cut Off Switch." The switches work well, but I needed to install them in a wall or panel, so I created this mounting system. The hole you need to drill is 55mm; however, using a 60mm hole will likely work as well, leaving enough space for the screws to grip the panel. I also designed an optional three-pole add-on that can be placed between the mount and the switch if you require a connection point for the negative lead. The add-on has an M6 bolt and is symmetrical, allowing it to be installed on either side of the switch. If needed, two additional add-ons can be printed. The "ON" and "OFF" letters can be filled in with white paint. I 3D-printed the mounting system using ASA material, 0.2mm layers, a 20% infill, and no support structures.