MidNite Solar Touch Safe Fuse Holder MidNite Solar 1000 Volt DC (800 volt AC) Fuse Holder for Grid-Tie or Off-Grid Array Combiners (but mainly for high voltage grid-tie). Standard DIN rail mount. Fits Midnite Solar, Outback Power, and ReadyWatt combiners. Interchangable with Outback OBFH fuse holder. ULTRASAFE-(TM) modular Fuse Holders introduce a new level of safety for DC rated fuses up to 30 amperes. ULTRASAFE holders qualify as "finger safe" under IEC and DIN standards to an IP20 grade of protection, including fuse changing (with the flick of a finger). These are similar to the Ferraz USM1 but with a 1000 volt DC rating for PV arrays.