US 12,255,001 B2
Deadfront arrester with disconnector device
Bastiaan Hubertus van Besouw, Strongsville, OH (US); and David Charles Hughes, Aiken, SC (US)
Assigned to Hubbell Incorporated, Shelton, CT (US)
Filed by Hubbell Incorporated, Shelton, CT (US)
Filed on Aug. 7, 2023, as Appl. No. 18/366,143.
Application 18/366,143 is a continuation of application No. 17/824,401, filed on May 25, 2022, granted, now 11,721,457.
Application 17/824,401 is a continuation of application No. 17/127,820, filed on Dec. 18, 2020, granted, now 11,367,547, issued on Jun. 1, 2022.
Claims priority of provisional application 62/951,590, filed on Dec. 20, 2019.
Prior Publication US 2023/0377782 A1, Nov. 23, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H01C 7/12 (2006.01); H01C 1/02 (2006.01); H01H 39/00 (2006.01)
CPC H01C 7/12 (2013.01) [H01C 1/02 (2013.01); H01H 39/006 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A surge arrester comprising:
a housing;
a connecting interface configured to connect to an electrical power grid;
a metal oxide varistor stack situated within the housing and configured to connect to a system ground; and
a disconnector device coupled between the connecting interface and the metal oxide varistor stack;
wherein the disconnector device is configured to partially eject the metal oxide varistor stack from the housing based on a predetermined disconnection condition.