Telephone line protection against overvoltages and line disturbances, for 2 analog telephone lines

The protection device is an accessory of a PBX that intervenes in the presence of a dangerous current due to overvoltage and induced disturbances from the telephone line. The 1382/81 device can manage two telephone lines or two analogic extension outputs. For maximum effectiveness, the protection must be installed on the telephone line near the PABX. More generally, it must be placed before all urban lines and internal branches, which provide for a passage outside the building or are connected to electrical equipment, such as fax, modem, answering machine, cordless, etc. Device designed and manufactured in accordance with European standards EN61643-21/A1.