An electric arcs can cause heavy damage and present a serious hazard to operating personal by switchgear. Several features may cause the arcing fault at switchgear such as the aging of insulation or operation mistake at switchgear. Kumwell Arc Protection Relay is the real-time distributed systems based on high-speed technology can rapid removal of arcing fault, reduce damage and improve personal safety. Kumwell Arc Protection Relay has been put in use in a number of key projects. Product tested according to standard IEC 60255-2009.