The KTK-R-6 is a Bussmann LIMITRON Class CC fast-acting fuse designed for 600Vac applications at 6A rating with a 200kA RMS symmetrical interrupting rating. This current-limiting fuse provides 10X better current limitation compared to standard fuses, helping prevent equipment damage during short-circuit events. The fuse features rejection-type design that fits both standard and rejection-style holders, with dimensions of 1.5 inches (38.1 mm) length and 0.41 inches (10.3 mm) diameter. It is UL Listed (Standard 248-4, Class CC), CSA Certified, CE marked, and RoHS compliant, making it suitable for critical industrial and commercial applications requiring specific current limitation and protection requirements.