FEATURES: DIN rail mounting for easy installation Plug connectors for quick and easy connection or rewiring 25kA Iimp capability Thermal disconnect device Status indicators visually verify protection level Surge protection device with N-PE residual current spark gap as 3+1 circuit Remote alarm function ISO 9001ï¼?2008 certificatedï¼?ISO14000:2004 certificated and OHSAS18000ï¼?2007 certificated High quality products with CE, Rohs certificates