snap-action switch

snap-action switch

[′snap ¦ak·shən ‚swich]
(electricity)
A switch that responds to very small movements of its actuating button or lever and changes rapidly and positively from one contact position to the other; the trademark of one version is Micro Switch. Also known as sensitive switch.
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References in periodicals archive ?
The most common type of electro-mechanical switches used is a snap-action switch, in which an internal spring-loaded pole initiates the changeover movement.
The current DK sets an international standard in miniature snap-action switch technology because it is waterproof as well as smaller, lighter, of higher quality and more reliable than earlier versions that were first introduced in 1993.