202977 ⎘
High-tension or heavy-current switches with arc-extinguishing or arc-preventing means; Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid wherein arc-extinguishing gas is evolved from stationary parts; Selection of material therefor the gas-evolving material being incorporated in the contact material
Manufacturing method for foam fuse filler and cartridge fuse
#2Circuit breaker system with heating radiator and particle trap
#3Breaker facilitating rapid movement and elongation of arc
#4GAS-INSULATED DEVICE FOR ELECTRICAL POWER AND OPERATION METHOD THEREOF
#5Gas insulation apparatus
#6Arc Splitter for an Arcing Chamber
#7Heavy-duty circuit breaker with movement reversal
#8Electrical contact material and method for making same