CHCC2DIU is a two-pole modular DIN-rail fuse holder designed for UL Class CC fuses with IP20 finger-safe construction and optional open fuse indication capability. It is rated for 600 V AC/DC at 30 A with a short-circuit current rating (SCCR) of 200 kA RMS symmetrical, providing high-level protection in electrical distribution systems. The holder features a 35 mm DIN-rail mounting system and accepts wire sizes from #18 to #4 AWG (0.8 mm² to 21.1 mm²) in solid, stranded, or fine-stranded copper configurations rated for 75°C or 90°C operation. It is cULus Listed and CCC certified, with UL 94V0 self-extinguishing flammability rating and operating temperature range from -4°F to 194°F (-20°C to 90°C) for indicating versions. The CHCC2DIU is commonly used in industrial control panels, power distribution systems, and equipment requiring reliable fuse protection with visual indication of fuse status.