This Acti9 iPRD20 surge arrester protects 3P installations. It allows quick replacement of damaged cartridges. This Type 2 device is recommended for medium risk level and incoming panel board. It can be turned over to allow the phase/neutral/earth cables to enter through either the top or the bottom. The associated circuit breaker Isc breaking capacity can go up to 50kA. This Acti9 iPRD20 is compatible with TT and TN-S earthing system. The Uc maximum continuous operating voltage in common mode is 260VAC between neutral and earth, and 350VAC between phase and earth. The Uc maximum continuous operating voltage in differential mode (between phase and neutral) is 350VAC. The Up Voltage protection level in differential mode (between phase and neutral) is 1.1kV. The Up Voltage protection level in common mode (between neutral and earth) is 1.4kV. The Ue rated operational voltage is 230VAC +/- 10%. The product colour is white (RAL9003).The dimensions are (W) 54mm x (H) 85mm x (D) 69mm. The weight is 317g. 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 EN 61643-11 and IEC 61643-11 standards.