IRWIN Industrial is an Ontario-based supplier of electro-mechanical components for solar power equipment and installations, including Schurter’s new ASO series fuse and FSO series fuseholder. Designed to protect DC applications from the potentially devastating effects of low short circuits and overvoltage conditions in systems upwards of 1000 VDC, the fuse and fuseholder are intended for use in solar strings, inverters, battery chargers and combiner boxes. The ASO fuse has a quick-acting characteristic according to UL 248-14. It is a standard 10.3x38mm size. Current ratings range from 1 to 30A with a breaking capacity of 20 kA. The fuseholder mounts in a standard 35 mm DIN Rail. A pressure plate connection accepts 8-14 AWG stranded wires or 10-14 AWG solid wires. Units can be ordered in 1-, 2-, or 3-poles. Both ASO and FSO are cURus agency recognized.