Line protector for communications circuit

Details Line protector for communications circuit Line protector for communications circuit

H - Electricity

02

H

317/25

H02H 3/22 (2006.01)

Patent

CA 1087679

LINE PROTECTOR FOR COMMUNICATIONS CIRCUIT Abstract of the Disclosure A line protector for communications circuits com- prises a gas tube having external contact surfaces for connections to communication lines and to ground. A conduc- tive member is proximate to the contact surfaces that are associated with the communication lines. A dielectric sub- stance interposed between the conductive member and the last- mentioned contact surfaces melts upon overheating of the protector resulting from the excessive line current. The conductive member, due to its resiliency, engages the subja- cent contact surface or surfaces thereby resulting in a direct short circuit between the protected line and ground. A shield over at least part of the gas tube in the region of the con- ductive member prevents potting compound or foreign matter from obstructing the function of the conductive member.

279004

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