203000 ⎘
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 the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas
Sub-classes:HIGH VOLTAGE CIRCUIT-BREAKER
#2HIGH VOLTAGE CIRCUIT-BREAKER
#3HIGH VOLTAGE ENGINE-MOUNTED ELECTRONICS PRESSURIZATION BLEED SYSTEM
#4FAST EARTHING SWITCH FOR INTERRUPTING NON-SHORT-CIRCUIT CURRENTS
#5GAS CIRCUIT BREAKER
#6GAS CIRCUIT BREAKER
#7ELECTRICAL SWITCHING DEVICE
#8Switch, gas insulated switchgear, and method for controlling switch
#9Electric arc-blast nozzle with improved mechanical strength and a circuit breaker including such a nozzle
#10Electrical switching arrangement
#11Gas circuit breaker
#12Gas circuit breaker
#13Switching device for fast disconnection of short-circuit currents
#14Device for interrupting non-short circuit currents only, in particular disconnector or earthing switch
#15High speed earthing switch of gas insulated switchgear
#16Gas-insulated switch
#17Switch device
#18Gas circuit breaker
#19Gas circuit breaker
#20Gas Circuit Breaker
#21Switchgear
#22Gas circuit breaker
#23Gas circuit breaker
#24Gas circuit breaker
#25Electric high-voltage circuit breaker
#26Electric switch provided with an arc-blasting unit
#27Device for interrupting non-short circuit currents only, in particular disconnector or earthing switch
#28Gas-insulated load break switch and switchgear comprising a gas-insulated load break switch
#29Gas-blast circuit breaker
#30Electric arc-blast nozzle and a circuit breaker including such a nozzle
#31Interrupter unit for a circuit breaker
#32Gas-insulated high-voltage switching device with improved main nozzle
#33Gas-insulated low- or medium-voltage load break switch
#34Gas circuit breaker
#35Electrical circuit breaker device with particle trap
#36Gas circuit breaker
#37Gas blast switch comprising an optimized gas storage chamber
#38Circuit breaker comprising an improved compression chamber
#39Switchgear with a gas-tight insulating space
#40Electric arc-blast nozzle and a circuit breaker including such a nozzle
#41Gas circuit breaker
#42Circuit breaker equipped with an extensible exhaust cover
#43Gas circuit breaker
#44Circuit breakers, arc expansion chambers, and operating methods
#45High voltage puffer breaker and a circuit breaker unit comprising such a puffer breaker
#46Gas circuit breaker
#47Gas circuit breaker
#48Circuit breaker
#49Gas circuit breaker
#50Switch assembly, a switching device comprising a switch assembly, a switchgear comprising a switching device and a method for cooling
#51DISCONNECTING SWITCH UNIT
#52Gas circuit breaker
#53Arc-extinguishing insulation material molded product and gas circuit breaker including the same
#54Gas-insulated circuit breaker
#55Electrical switching device with a triple motion contact arrangement
#56Pressure switch for oil supply
#57Gas circuit breaker
#58Gas circuit breaker
#59Bypass switch assembly
#60Wear-resistant material, method for producing the same, puffer cylinder and puffer-type gas circuit breaker
#61Switchgear arrangement
#62Circuit breaker
#63Switchgear arrangement
#64Gas circuit breaker
#65Circuit breaker with fluid injection
#66Circuit breaker with fluid injection
#67Circuit breaker unit
#68Gas insulated switchgear
#69Dual current path for high rated currents
#70Gas-insulated high-voltage power circuit breaker
#71Gas circuit breaker
#72Switchgear
#73Arc-control chamber gear for two confined contact electrodes
#74Gas circuit breaker
#75Gas circuit breaker
#76Gas blast circuit breaker
#77Gas blast interrupter
#78Gas insulation apparatus
#79GAS-INSULATED HIGH-VOLTAGE SWITCH
#80Gas insulated switchgear
#81Self-blowout circuit breaker having a filling and overpressure valve
#82Gas insulation circuit breaker with structure for decreasing friction
#83Relief valve for discharging a dielectric gas between two volumes of a high-voltage or medium-voltage interrupting chamber
#84Circuit breaker with two aligned breaker chambers, a common transmission, and reduced size
#85Gas-blast circuit breaker with a radial flow opening
#86Interrupting chamber having two compression chambers
#87Circuit breaker with a double acting circuit-breaking chamber and an inverted structure
#88Actuating the contacts of an interrupting chamber in opposite directions via an insulating tube
#89Puffer circuit breaker with an overpressure valve
#90Switch and disconnector apparatus for electric substations
#91Interrupter unit for a high-voltage power switch
#92Electrical switching device with a cooling device
#93Pressure-limiting valve for a puffer interrupter assembly