The Schneider Electric A9L65601 is a This Acti9 iPRD65r surge arrester protects 3P+N installations. It allows quick replacement of damaged cartridges. This Type 2 device is recommended for very high risk level and 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 iPRD65r is compatible with TT and TN-S earthing system. IP degree of protection IP40 on front face IP degree of protection IP20 built-in Mercury free