Patents
Patents for H01H 73 - Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism (6,696)
05/2013
05/28/2013CA2358721C Ground fault circuit interrupter
05/23/2013DE102011089204A1 Switch designed as low-voltage circuit breaker, has converter comprising non-magnetic core whose dimensions are equal, so that number of layers and/or windings per layer is increased with increase in switch size
05/22/2013CN202948892U Electronic-electromagnetic type intelligent switch used for high-voltage electric power system
05/22/2013CN103119683A Switchgear
05/22/2013CN103119682A 断路器 Breaker
05/22/2013CN103117197A Arcing chamber device for electromagnetic switching devices
05/22/2013CN103117194A Circuit breaker with optimised housing stabilisation, in particular at high switching capacities
05/22/2013CN103117180A Contact assembly and breaker comprising the same
05/21/2013US8446234 Protection device with a sandwiched cantilever breaker mechanism
05/16/2013WO2013070047A1 Molded-case circuit breaker
05/16/2013WO2013070046A1 Molded-case circuit breaker
05/16/2013US20130120879 Triggered arc flash arrester and switchgear system including the same
05/16/2013DE102011118418A1 Schaltsystem Switching system
05/16/2013DE102011056577B3 Schaltungsanordnung zur Unterdrückung eines bei einem Schaltvorgang auftretenden Lichtbogens Circuit arrangement for the suppression of an electric arc occurring during a switching operation
05/15/2013CN202940204U Silver contact structure of contact system
05/15/2013CN103109341A Compound opening and closing device and opening and closing device module used for compound opening and closing device
05/15/2013CN103107051A Circuit breaker
05/15/2013CN101908445B Connection structure for circuit breaker operation mechanism and contact support member
05/14/2013CA2526359C Arc chute and circuit interrupter employing the same
05/14/2013CA2478695C Circuit breaker employing illuminating indicators for open and closed positions
05/10/2013WO2013064635A1 Electromagnetic circuit breaker
05/10/2013WO2013064631A1 Circuit breaker comprising at least one contact for tapping a voltage
05/08/2013EP2590202A1 Electromagnetic circuit breaker
05/08/2013EP2590199A1 Circuit breaker with at least one voltage tap contact
05/08/2013CN103093977A Rotor housing of an electrical switching device and electrical switching device
05/08/2013CN101976642B Earth leakage circuit breaker with extended line
05/07/2013US8436264 Power transmission mechanism for four poles circuit breaker
05/02/2013DE102011085606A1 Rotorgehäuse eines elektrischen Schaltgerätes sowie elektrisches Schaltgerät Rotor housing of an electrical switching device, as well as electrical switching device
05/01/2013CN202917419U Direct current breaker with double arc-isolating plates
05/01/2013CN202917418U Air-sweeping type low voltage arc extinguishing device and breaker
05/01/2013CN202917417U Arc extinguishing structure of circuit breaker
05/01/2013CN202917416U Arc extinguishing grid sheet device on circuit breaker
05/01/2013CN202917415U Circuit breaker
05/01/2013CN103077856A Asymmetric double-contact breaker
05/01/2013CN102013365B Arc control device of circuit breaker
04/2013
04/24/2013CN202905641U Arc extinguish chamber of circuit breaker
04/24/2013CN202905448U Master loop fixing structure for zero sequence current transformers
04/24/2013CN103069532A Circuit breaker
04/24/2013CN103065898A Pressure sealing device used for circuit breaker contact system
04/24/2013CN103065897A Arc-control device of breaker
04/24/2013CN103065896A Arc-extinction device of low voltage intelligent universal circuit beaker
04/24/2013CN103065895A Contact and arc extinguishing system for universal type low-voltage circuit breaker
04/24/2013CN103065894A Contact system of breaker
04/24/2013CN103065892A Handle of breaker
04/24/2013CN102184812B Movable static contact structure for plastic-shell circuit breaker
04/23/2013US8427793 Switching power supply, control circuit for controlling switching power supply, control method of switching power supply and module substrate
04/18/2013WO2013053283A1 Rotation double-breakpoint movable contact module
04/17/2013CN202888106U Current limiting thin type hydraulic electro-magnetic circuit breaker of double-arc-extinguishing chamber
04/17/2013CN202888105U Direct current (DC) circuit breaker
04/17/2013CN202888104U Rotary two-breakpoint moving-contact of circuit breaker
04/17/2013CN103050344A Rotation double-breakpoint movable contact module
04/17/2013CN103050342A Circuit breaker operation mechanism and circuit breaker
04/17/2013CN101410926B Latch mechanism with movable pivoting axis
04/10/2013EP2579290A1 An auxiliary contact device for mv switching apparatuses.
04/10/2013CN202871728U Arc guiding and extinguishing device and direct current circuit breaker using same
04/10/2013CN202871727U Arc blow-out apparatus of direct-current breaker
04/10/2013CN202871726U Contact structure of air circuit breaker
04/10/2013CN103035454A Circuit breaker
04/10/2013CN102074427B Fast circuit breaker with longer service life
04/10/2013CN102024634B Miniature circuit breaker
04/09/2013US8416541 Disconnect switch arc eliminator
04/04/2013WO2013045856A1 Enhancement of the isolating mechanism of a multimodular electrical apparatus of the circuit breaker type
04/04/2013DE102011083680A1 Power switch, has regulation unit that regulates voltage tapped at tap at rectifier, and regulation unit tapping point provided between diode and resistor-capacitor combination and coupled with capacitor
04/03/2013EP2575151A1 Reinforcement of the sectioning mechanism of a multi-modular electrical appliance such as a circuit breaker
04/03/2013CN202855680U Circuit breaker
04/03/2013CN202855679U Electrical contact structure
04/03/2013CN202855678U Double breakpoint breaker
04/03/2013CN103021756A Circuit breaker capable of preventing electric arc from being ejected reversely and provided with arc way
04/03/2013CN103021755A Molded case circuit breaker with short flashover device and high arc extinction effect
04/03/2013CN103021754A Arc extinguishing system of molded case circuit breaker
04/03/2013CN103021750A Low-voltage circuit breaker with pneumatic tripping device
04/03/2013CN103021749A Circuit breaker capable of quickly releasing
04/03/2013CN103021748A Large-fracture circuit breaker
04/03/2013CN101996827B Leakage protection circuit breaker with arc extinguishing chamber at both poles
04/02/2013US8410876 Electronic overload relay switch actuation
04/02/2013US8410875 Overload relay switch without springs
03/2013
03/28/2013WO2013043535A1 Interrupter module with floating protection for drive pins
03/27/2013CN202839508U Circuit breaker
03/27/2013CN202839507U Arc-extinguishing chamber
03/27/2013CN202839506U Arc ignition device and static contact arc ignition device
03/27/2013CN202839505U Breaking unit for molded case circuit breaker
03/27/2013CN202839493U Operating mechanism and miniature breaker
03/27/2013CN202839487U Double-pole circuit breaker
03/27/2013CN103000467A Low-frequency circuit breaker used for three-frequency-division power transmission system
03/27/2013CN103000466A Breaker and breaker arc chamber component
03/27/2013CN103000465A Contact system of novel high-capacity medium-voltage direct current breaker
03/27/2013CN102064057B Miniature circuit breaker current limiter
03/27/2013CN101536131B Medium-voltage circuit-breaker
03/21/2013DE102005007303B4 Elektrisches Installationsgerät mit Lichtbogen-Vorkammerraum, Lichtbogenleitschienen und strombegrenzender Lichtbogenlöscheinrichtung Electrical installation device with arc chamber area, arc guide rails and current-limiting arc quenching device
03/20/2013CN202816839U Breaker with U-shaped contact structure
03/20/2013CN202816838U Movable contact of low-voltage circuit breaker
03/20/2013CN202816837U A movable contact bridge and an electric switch device
03/20/2013CN202816829U High-stability miniature circuit breaker
03/20/2013CN102983045A Moving contact for circuit breaker
03/20/2013CN102983015A Contact material comprising BN/TiB2 comprising multiphase ceramic materials and purpose thereof and breaker comprising the same
03/20/2013CN101625940B Double-break micro breaker
03/13/2013CN202796812U Breaker
03/13/2013CN202796811U Arc extinguishing system of breaker
03/13/2013CN202796810U Moulded case circuit breaker arc extinguishing system convenient for assembly and disassembly
03/13/2013CN202796809U Arc guiding sheet
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