Adolf Schmid

Method for treating and fixing quartz sand through activation, fixed quartz sand body and excess voltage protection device

Switching device for indirectly switching on or off switch position

Fuse holder for use with electrical relays has fuse engaging contacts in housing and coupled to LED indicator

Plug-in type hinge for swiveling lid, has spring arranged at one of walls and projecting over projection surface of support part such that locking unit compensates operating force acting on swiveling and support parts

Elektrisches Schaltgerät mit Schaltstellungsanzeige

Messwiderstand und Verfahren zur Messung des elektrischen Stromes

Contactor for closing or separating contacts of movable and fixed contact carriers, has coupling element with guide rail for retaining guiding element of carrier, and switching rod hinged at coupling and operating elements

Electrical switch device with position indication

Switching device with terminal locking

Fuse insert for semiconductor protection fuse, has cylindrical ceramic rod including high porosity than that of ceramic body such that force arising with fusion conductors affects ceramic rod, where fusion conductors are arranged around rod