Patents
Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450)
02/2008
02/20/2008CN201025607Y An overload protection switch
02/20/2008CN201025606Y A dual slice over-current protective part
02/20/2008CN101128900A Electrical circuit breaker having a protective function
02/20/2008CN101128899A Differential thermomagnetic switch
02/20/2008CN101127286A Permanent magnetic machine controller based on pulse modulation technology
02/20/2008CN101127285A A plastic shell breaker with over heat alarming function
02/20/2008CN101127284A Control method for magnetic holding force of permanent magnetic instrument and permanent magnetic instrument with this control device
02/20/2008CN100370664C Arc and leakage protector
02/20/2008CN100370569C Actuating mechanism of reverse-connection protection earth-fault circuit breaker with static pressure balance
02/20/2008CN100370568C Actuating mechanism of earth-fault circuit breaker for reducing energy consumption and its realizing method
02/20/2008CN100370567C Device and method for avoiding pressure responsive resistor failure and earth-fault circuit breaker
02/19/2008US7333345 Combination current sensor and relay
02/19/2008CA2271336C Electrical switching apparatus with operating condition indicators mounted in face plate
02/14/2008WO2008017612A1 Switching unit
02/14/2008WO2008017611A1 Switching device for selectively switching off with a thermal trigger element
02/14/2008US20080036562 Method and Device for the Secure Operation of a Switching Device
02/14/2008DE10356271B4 Schaltgerät Switchgear
02/14/2008DE102006037233A1 Protective switch for selective switching of excess current has two line connections and magnetic release device with excitation coil, armature, anchor and release element
02/14/2008DE102006037230A1 Selective electromagnetic switch cutting power supply to consumers on overload, includes solenoids with differing current responses and delay section
02/14/2008DE102006037229A1 Schalteinrichtung zum selektiven Abschalten mit einem Thermoauslöseelement Switching means for selectively switching off with a thermal tripping element
02/14/2008DE102006037227B3 Safety switch for selective current disconnection, on a current overload, has a current overload path which is dead on normal working and triggers the selective switch on a short circuit
02/14/2008DE102006037225A1 Schalt-Einheit Switching unit
02/13/2008CN201022145Y Over current protection system for breaker
02/13/2008CN201022067Y Buckle release device for residual current breaker
02/13/2008CN201022066Y A current leakage protector
02/13/2008CN101123155A Outside operation handle for shutter
02/13/2008CN101123154A 电路断路器 Circuit breaker
02/13/2008CN101123153A Electrical switching apparatus contact assembly and movable contact arm therefor
02/13/2008CN101123150A Quick electromagnetic push driven machine
02/13/2008CN101123142A General purpose operation and action machine for electric switch
02/12/2008CA2255397C Fault interrupter and operating mechanism therefor
02/07/2008US20080030930 Supply System for Low-Voltage Switchgear
02/07/2008DE102006036194A1 Contactor for switching gear i.e. line safety switch, has actuator fixed for instantaneous and prolonged opening of switching points, where actuator for prolonged opening of point acts on switching mechanism
02/07/2008DE102006036191A1 Schaltvorrichtung Switching device
02/06/2008EP1884976A1 Switching device with actuating component
02/06/2008EP1884975A1 Switching device
02/06/2008EP1883945A1 Device for the remote activation of a manual activation means for a protective switch
02/06/2008EP1883944A1 Switch adaptable to different operating configurations and improved axial support
02/06/2008EP1883943A1 Circuitbreaker with interchangeable operating mechanism and suspended mobile contact assembly
02/06/2008EP1883942A1 Circuitbreaker with suspended mobile contact assembly
02/06/2008EP1883941A1 Device for housing and connection of accessories for switches
02/06/2008EP1776710B1 Safety switch system
02/06/2008CN201018127Y Novel leakage protection socket
02/06/2008CN201018126Y Creepage protecting socket with service life expiration detecting function
02/06/2008CN201017832Y Magnetic flux converter
02/06/2008CN201017831Y Undertension shunt opening integrated electrical apparatus release of plastic shell
02/06/2008CN201017830Y Extensible guide installation apparatus
02/06/2008CN201017779Y Permanent magnetism driving low pressure air switch
02/06/2008CN101118822A Maglatch mechanism for use in lighting control pod
02/06/2008CN101118821A Switching device with actuating component
02/06/2008CN101118820A display apparatus of novel earthing fault breaker
02/06/2008CN100367438C Earth leakage breaker
02/06/2008CN100367436C Blocking apparatus for circuit breaker contact structure
01/2008
01/30/2008CN201015109Y Small circuit breaker
01/30/2008CN201015108Y Electromechanical tripping gear for creepage protector
01/30/2008CN201015107Y Rotating handle controlling mechanism of plastic case breakers
01/30/2008CN101114557A Safety circuit breaker
01/30/2008CN101114556A Circuit breaker rotating dual-breakpoint contact system and spring protection structure
01/30/2008CN101114555A Circuit interrupter including point-on-wave controller and voltage sensors
01/30/2008CN101114554A Circuit interrupter including manual selector selecting different point-on-wave switching characteristics
01/30/2008CN100365752C Drive mechanism of duplicate supply automatic changeover switch
01/29/2008US7323958 Multipole circuit breaker with single-pole breaking units
01/29/2008US7323650 Protection mechanism for switch
01/24/2008WO2008009594A1 Adjustable short-circuit release
01/24/2008US20080018422 Switching Device Having an Electromagnetic Release
01/23/2008CN201011649Y Three-phase compressor built-in protector
01/22/2008CA2142249C Single solenoid actuator for two-pole ground fault circuit interrupter
01/17/2008US20080012670 Switch-to-trip point translation
01/16/2008EP1878037A2 Electromagnetic trip device for an electrical installation device
01/16/2008EP1878036A1 Circuit breaker-contactor with a piezo-electric controlled locking
01/16/2008CN201007979Y Casing integrated type spring hydraulic pressure control mechanism for high-voltage circuit breaker
01/16/2008CN201007978Y Circuit breaker on-off switch operating mechanism
01/16/2008CN201007977Y Operating mechanism of circuit-breaking switch
01/16/2008CN201007976Y Small circuit breaker
01/16/2008CN101106262A Dual core intelligent communication control for plastic shell low voltage breaker
01/16/2008CN101106046A An operation machine for small residual current action breaker
01/16/2008CN101106045A Position limit structure for motive contact module of breaker operation machine
01/16/2008CN101106044A Shunt release capable of detecting working state of circuit breaker
01/16/2008CN101106043A Control mechanism for high-voltage circuit-breakers make time
01/16/2008CN101106042A Movable contact of circuit breaker
01/13/2008CA2593456A1 Design and method for keeping electrical contacts closed during short circuits
01/13/2008CA2593284A1 Maglatch mechanism for use in lighting control pod
01/10/2008WO2008004087A1 Circuit interrupter and method modulating configurable processor clock to provide reduced current consumption
01/10/2008DE102006031408A1 Switching device with on and off switching main contact, has release mechanics is provided for interruption of flow path, belonging to welded main contact as well as device displays welded main contact
01/10/2008DE102006030672A1 Elektrischer Schutzschalter An electrical circuit breaker
01/10/2008DE102006030671A1 Schutzschalter-Kurzschließer-Kombination Circuit breaker short contact combination
01/10/2008CA2656358A1 Circuit interrupter and method modulating configurable processor clock to provide reduced current consumption
01/09/2008EP1876674A1 Insulated jumper in particular for terminal blocks of switchboards
01/09/2008EP1876627A2 Circuit breaker-short circuit combination
01/09/2008EP1876626A2 Circuit breaker and short-circuiter combination
01/09/2008CN201004439Y An external mechanical manual close device for permanent magnetic machine
01/09/2008CN201004437Y A magnetic holding relay with over-current protection
01/09/2008CN101101836A Shunt opening release capable of being controlled by external electricity-breaking protection signal
01/09/2008CN101101834A Circuit breaker actuating mechanism and its lever anti-slip structure
01/09/2008CN100361257C Overcurrent release device for circuit breaker
01/09/2008CN100361256C Automatic low-voltage breaker with reduced element amount
01/09/2008CN100361255C Contact finger for a high-power switchgear
01/09/2008CN100361254C Electromechanical switching device
01/06/2008CA2593138A1 Electrical switching apparatus contact assembly and movable contact arm therefor
01/03/2008WO2007130322A3 Devices, systems, and methods for shunting a circuit breaker
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