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This Acti9 iPRD surge arrester protects 1P+N installations. It allows quick replacement of damaged cartridges. This Type 2 device is recommended for high risk level in incoming panel board. The surge arresters with r indication have remote transfer of the information Cartridge to be replaced. 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 Acti 9 iPRD40r is compatible with TT and TN-S earthing system. The Uc maximum continuous operating voltage in DM common mode (between phase and neutral) is 260VAC. The Uc maximum continuous operating voltage in DM differential mode (between earth and neutral) is 350VAC. The Up Voltage protection level in CM common mode (between phase and neutral) is 1.4kV. The Ue rated operational voltage is 230VAC or 400VAC +/- 10%. The product colour is white (RAL9003).The dimensions are (W) 36mm x (H) 85mm x (D) 69mm. The weight is 220g. 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 standard.