Glazed ceramic article, metal and ceramic assembly having...
Grading ring insert assembly
Grounding switch gear device
Group operated circuit disconnect apparatus for overhead electri
Heat sink for contact stems of a vacuum interrupter and a vacuum
Heavy-duty circuit-breaker with sealing against hot gas
Hermetically sealed vacuum load interrupter switch with flashove
High amperage disconnect switch
High current switch and method of operation
High current switch and method of operation
High current switch and method of operation
High tension circuit breaker capable of interrupting fault curre
High voltage circuit breaker contact structure including ionizat
High voltage circuit breaker having a switch rod made of an...
High voltage circuit breaker with two arcing contacts which...
High voltage circuit breaker, especially a gas-blast circuit...
High voltage circuit interrupting device operating mechanism inc
High voltage circuit-breaker with a counter-contact which...
High voltage disconnector with fixed and locking members...
High voltage hybrid circuit-breaker