This Resi9 cartridge surge protection device is a modular surge arrester. It is a 1 Pole surge arrester. This Resi9 surge arrester is compatible with TN-C, TN-S and TT earthing system. The maximum discharge current is 40kA and nominal discharge current is 15kA, conforming to IEC 61643-11 standard. It ensures protection of electronic devices against destruction by lightning. It is recommended in building supplied by overhead lines and protected. It is also recommended in buildings protected by a lightning arrester combined with a type 2 surge arrester. This product has a local signalling (flag) with white and red colour indication. The rated operational voltage (Ue) is 240VAC +/-6%. The operating frequency is from 50Hz to 60Hz. The maximum voltage protection level (Up) is 1.6kV. The maximum continuous operating voltage (Uc) is 350VAC. The residual voltage (Ures) is 1545V. It can be mounted on DIN rail for modular installation. The width in 9mm pitches is 2. The dimensions are (W) 18mm x (H) 85mm x (D) 64mm. The product colour is white (RAL 9003). The product weight is 51g. This surge arrester has a RCM quality label. The pollution degree is 2. The relative humidity is from 5% to 95% at 55°C. According to IEC 60529 standard, the IP degree of protection is IP20 when the surge arrester is on DIN rail. The IK degree of protection is IK03, conforming to IEC 62262 standard. The operating temperature is from -25°C to +70°C. The storage temperature is from -40°C to +85°C. This product complies with IEC 61643-11: 2011 and EN 61643-11: 2012 standards.