The Imax maximum discharge current is 40kA .The In nominal discharge current is 15kA. The multi-pole single-piece surge arrester range is adapted for TT, TN-S, TN-C earthing systems. This type 2 incoming protection surge arrester is recommended for a high risk level. The Uc maximum continuous operating voltage in common mode (between phase and earth) is 340VAC. The Up Voltage protection level in common mode (between phase and earth) is 1.5kV. The Ue rated operational voltage is 230VAC +/- 10%. The product colour is white (RAL9003).The dimensions are (W) 18mm x (H) 81mm x (D) 69mm. The weight is 125g. The degree of protection is IP20 and IP40 in modular enclosure. The operating temperature is -25°C to 60°C. The storage temperature is -40°C to 85°C. This product is compliant with IEC 61643-11 and EN 61643-11 standards.