This Acti9 iQuick PRD20r surge arrester protects 3P+N residential and larger buildings installations against indirect transient overvoltages. This Type 2 device autoprotected by an integrated circuit-breaker is recommanded for moderate risk level in incoming panel board. It offers remote reporting of the "cartridge must be changed" message. This prewired surge arrester allows quick replacement of withdrawable cartridges when they are damaged. It incorporates its end of life safety disconnector. The Isc integrated breaking capacity is 25kA. This Acti9 iQuick PRD20r is compatible with TT and TN-S earthing system. The Imax maximum discharge current is 20kA. The In nominal discharge current is 5kA. The Uc maximum continuous operating voltage in differential mode (between phase and neutral) is 350VAC. The Uc maximum continuous operating voltage in common mode is 264VAC between neutral and earth, and is 350VAC between phase and earth. The Up Voltage protection level in differential mode (between phase and neutral) is below or equal to 1.5kV. The Up Voltage protection level in common mode is below or equal to 1.5kV between phase and earth, or neutral and earth. The Un rated service voltage is 230VAC or 400VAC. The operating frequency is 50Hz or 60Hz. The dimensions are (W) 131.5mm x (H) 103.8mm x (D) 75.9mm. The width in 9mm pitches is 15. The weight is 810g. 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 complies with IEC/EN 60947-5-1, EN 61643-11:2012 and IEC 61643-11:2011 standards.