Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement

Child Classifications

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• H01H 5/02 Energy stored by the attraction or repulsion of magnetic parts
• H01H 5/04 Energy stored by deformation of elastic members (by deformation of bimetallic element in thermally-actuated switches H01H37/54)