High- and medium-voltage gas blast circuit breaker
High- and medium-voltage gas circuit breakers
High-current vacuum switch with reduced contact erosion
High-density high-conductivity electrical contact material for v
High-or medium-tension compressed-gas circuit breaker taking cir
High-potential testing of vacuum-type circuit interrupters
High-power gas switch with hydride electrodes
High-tension circuit-breaker having arc-extinguishing gas under
High-voltage circuit breaker
High-voltage circuit breaker
High-voltage circuit breaker
High-voltage circuit breaker
High-voltage circuit breaker
High-voltage circuit breaker including cut-on resistor
High-voltage circuit breaker with improved puffer means
High-voltage circuit-breaker
High-voltage circuit-interrupter having a closing resistance and
High-voltage circuit-interrupters
High-voltage compressed-gas circuit breaker
High-voltage device