Plug and play communication module for Schneider Electric's PowerLogic P5 withdrawable protection and control relay. This is InterRelay module providing relay-relay direct protection communication between two P5x30 relays. Plug and play communication modules allow late versionizing for Partners and assure evolutivity of communication profile of PowerLogic P5 for End Users. This plug and play communication module offers 2 serial fiber optic, single-mode ports of 1310nm wavelenght. It ensures reliable communication over SDLC protocol for distances up to 40 km. The product dimensions are 176 mm in height (6.93 in) 35 mm in width (1.38 in) and 26 mm in depth (1.02 in) for a net weight of 56 g (0.123 lbs). PowerLogic P5 is compliant with EN 60255-26, EN 60255-27 standard and with UL/CSA Standard. This product can be installed in slot L of the PowerLogic P5 protection relay. It can be installed to PowerLogic P5 any time: during installation, commissioning or even during maintenance.