Optimal Conductivity: 12-way fuse box for ATC/ATO fuses (medium size); car fuse holder has a positive and negative side, which means that for every positive terminal screw, there is a negative terminal screw. Max. Operating Voltage of 32V DC. Max. 30 Amps per circuit and 100 Amps per panel. High Quality Material and Safety: Made of PBT, this 12v blade fuse box is mechanically sound, insulating, heat-resistant, which ensures safe use and helps you get rid of problems such as breaking, deformation, burning or short circuits. Adds extra protection to your fuse box and fuses. Unique LED Safety Indicator: Car fuse holder with warning light, the fuses are themselves blown when the current is too high, and the red light will turn on immediately.so you can easily determine the short circuit or other fault and fix the error effortlessly. Wide Use: Comes with multifunctional stickers to DIY your specific need, convenient for examination and repair, easy to troubleshoot outdoors; widely used in