This Resi9 surge protection device is a modular surge arrester. It is a 1 Pole surge arrester. It has 1 position switch with contacts type 1 NO + 1 NC. 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 surge arrester is compatible with comb busbar and distribution block. It has a tunnel type terminal connection at top or bottom. The connection allows rigid copper cables from 2.5mm² to 25mm². It has a tunnel type terminal connection at top or bottom. The connection allows flexible copper cables from 4mm² to 16mm². This surge arrester consists of remote signalling and local signalling (flag) with white and red colour indication. The rated operational voltage (Ue) is 230VAC +/-6%. The operating frequency is from 50Hz to 60Hz. The maximum residual current is 0.6mA at 230V. The residual voltage (Ures) is 1545V. The maximum voltage protection level (Up) is 1.6kV. The maximum continuous operating voltage (Uc) is 350VAC. The temporary overvoltage (Ut) is 336V at phase and earth with the duration of 5s, conforming to withstand test. The signalling output current and circuit voltage are 0.25A and 250VAC with operating frequency of 50Hz to 60Hz. 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 119g. This surge arrester has a RCM quality label. The pollution degree is 2, the relative humidity is from 5% to 95% at 55°C. The tightening torque of connection is 3.5N.m for PZ2 screwdriver type. According to IEC 60529 standard, the IP degree of protection is IP20. 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.