Rockwell Automation's CENTERLINE 2500 motor control center with ArcShield option
ARC FLASH PROTECTION
CENTERLINE 2500 motor control center (MCC) ArchShield option helps reduce arc flash hazards and improves protection against internal electrical arcs. The option per IEC/TR 61641:2008 provides arc flash protection for arcing durations up to 300 milliseconds. The option also provides a pressure relief system that exhaust gases through the top of the enclosure, away from personnel and enclosures, without front ventilation.