This Acti9 iPRD-DC 40r direct current surge arresters protects 2P photovoltaic installations. It allows quick replacement of damaged cartridges. The Iscpv short circuit breaking capacity is 200A. The Itotal discharge current is 40kA. The In nominal discharge current is 15kA. This Type 2 device is recommended to protect against indirect lightning strikes. 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 Uc maximum continuous operating voltage is 1000VDC. The Up protection level is 3.9kV in differential mode and in common mode. The dimensions are (W) 54mm x (H) 85mm x (D) 69mm. The width in 9mm pitches is 4. The weight is 400g. 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 UTE C 61470-51 and EN 50539-11:2013 standards.