Switch

Electricity: circuit makers and breakers – Liquid contact – Time delay

Patent

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Details

200148R, H01H 3382

Patent

active

050456512

ABSTRACT:
A switch provided with a negative pressure chamber which is actuated in association with the separating operation of a movable contact. The negative pressure chamber is connected to a means for supplying a fluid to the negative pressure chamber so as to suppress the negative pressure in the negative pressure chamber during the initial stage of the separaating operation of the movable contact.

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