Importance

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Abstract

A switching device which can be changed into a lock type switching device, or a non-lock type switching device with the least number of replacement components is disclosed. The switching device includes: first and second fixed contacts mounted in parallel on the bottom of a base; first and second contact pieces which are pivotally arranged on the first and second fixed contacts, and which can be in contact with the first and second fixed contacts, respectively; a lever pivotally supported by the base; two driving rods which are elastically held in the lever in a removable manner, and whose tips slide on the first and second movable contact pieces, respectively, while being in contact therewith; and a locking member which is replaceable with the first movable contact piece (or the second movable contact piece 21), and having a convex cam surface formed on the upper surface thereof with which one of the driving rods slidably comes into contact.

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First Claim