1) MDF protection including: 1 pair MDF protector for LSA module 1 pairs MDF protector (TP-1501-1EGP) is used for LSA modules, which forms the protection circuit for the protection of exchange room equipments and personnel against over voltage and over current, The housing of the protector is flame retardant, high temperature resistance and aging resistance. It is 1 pair modular design protector.
2) MDF protection including: 1 pair MDF protector for STG module 1 pair MDF protector for STG module (TP-1509-1B) is used for STG modules, which forms the protection circuit for the protection of exchange room equipment and personnel against over voltage and over current. The housing of the protector is flame retardant, high temperature resistance and aging resistance. It is 1 pair modular design protector.
3) MDF protection including: 1 pair MDF protector for BTDG block 1 pair MDF protector for BTDG block, against over-voltage protection
4) MDF protection including: protection magazine for LSA module MDF over-voltage protection magazine (TP-1502-10P3) is used for LSA modules, which forms the protection circuit for the protection of exchange room equipments and personnel against over voltage, The housing of the magazine is flame retardant, high temperature resistance and aging resistance. It is 10 pair modular design magazine.