Surge protection type 3 according to EN 61643-11. Schuko socket including child safety lock. With thermal and dynamic disconnection device. To protect sensitive telephone devices. Optical function display, protection level < 1.5 kV. Combination protection device to protect the 230V and the telephone inputs (analog, ISDN before the NTBA, DSL before the splitter), including 0.5 m connection cable with RJ12/RJ12 plugs (double shielded). 5 year warranty