Telephone Protector Block

Item Name Code (INC) 00311

Fuses, Arrestors, Absorbers, and Protectors
Federal Supply Class: FSC 5920
NATO Supply Classification Class: NSC 5920
Electrical and Electronic Equipment Components
Federal Supply Group: FSG 59
NATO Supply Classification Group: NSG 59
Item Hits: 111
INC 00311 Telephone Protector Block
INC 00311 Telephone Protector Block

An item designed to be used with other similar items in an electrical circuit to form an open-space cut-out for protection against high potentials, such as lightning and/or abnormal electric currents. It is a maintenance part for a PROTECTOR, TELEPHONE.

Additional Information for Telephone Protector Block Additional Information for Telephone Protector Block

Telephone Protector Blocks are devices used to protect telephone lines from electrical surges and voltage spikes. They are part of the supply class Fuses, Arrestors, Absorbers, and Protectors in the supply group Electrical and Electronic Equipment Components.

Telephone Protector Blocks are typically installed at the point where the telephone line enters a building or facility. They are designed to divert excessive voltage and current away from sensitive telephone equipment, preventing damage and ensuring reliable communication.

These protector blocks usually consist of a series of gas discharge tubes or metal oxide varistors (MOVs) that provide surge protection. When a surge or spike occurs, the protector block activates and redirects the excess energy to the ground, protecting the connected telephone equipment.

In addition to surge protection, some telephone protector blocks also include features such as overvoltage protection, overcurrent protection, and lightning protection. These additional features further enhance the safety and reliability of the telephone line.

Overall, Telephone Protector Blocks play a crucial role in safeguarding telephone lines and equipment from electrical disturbances, ensuring uninterrupted communication and preventing costly damage.

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