Terminal assembly for vented circuit breaker and circuit...

Details Terminal assembly for vented circuit breaker and circuit... Terminal assembly for vented circuit breaker and circuit...

2006-03-07

2006-03-07

Enad, Elvin (Department: 2832)

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Housing structure

C218S035000, C218S157000

Reexamination Certificate

active

07009132

ABSTRACT:
A circuit breaker vents at least some of the arc gases generated during current interruption from an internal cavity containing separable contacts through a terminal recess vent in a wall in the housing into an external terminal recess. The line side main conductor extends through the same wall into the external terminal recess adjacent the vent and into the collar of a terminal assembly. An electrically conductive stand seated on the main conductor electrically connects to the main conductor an external conductor clamped against the stand by a terminal screw threaded through the collar. The stand has a through opening aligned with the terminal recess vent to pass the arc gases through the external terminal recess to atmosphere.

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