Protection of low and medium voltage power plant

• Optical arc detection
• High speed of protection (<1ms)
• Fast static tripping unit
• Possibility of additional current monitoring
• Device availability monitor

Arc protection system elements

• Arc Monitor device ZELK-2
• Arc Monitor device ZELK-3
• Current Sensing Unit SM
• Tripping Unit IM
• DC/DC Converter P15
• Arc Detector Switch SS
• Optical Detector OS