Patents
Patents for H01H 77 - Protective overload circuit-breaking switches operated by excess current and requiring separate action for resetting (1,434)
07/2007
07/25/2007CN1328743C Circuit control protector
06/2007
06/27/2007CN2917016Y Safety reset device of power socket
06/20/2007EP1346385B1 Automatic current limiting circuit breaker
06/20/2007CN1983493A Safety double-brake switch structure
06/05/2007US7227279 Phase deficiency display device for thermal magnetic type molded case circuit breaker
05/2007
05/30/2007CN1319100C Protector of circuit control
05/16/2007EP1266389B1 Combined tripping device for a circuit-breaker
05/03/2007DE102005050044A1 Vorrichtung zur Strombegrenzung A device for current limitation
04/2007
04/26/2007DE102005050980A1 Contact system for use with a low voltage electrical switch has a contact a carrier arm with leaf spring providing secure location
04/19/2007DE102005050705A1 Kontaktsystem für einen Niederspannungsschalter Contact system for a low voltage switch
04/19/2007DE102005049181A1 Dreipoliger Leistungsschalter und Verfahren zu seiner Herstellung Three-pole circuit breaker and process for its preparation
04/11/2007EP1772885A1 Contact system for a low voltage switch
04/05/2007WO2007036282A1 Electrical service device
03/2007
03/27/2007US7196434 Modular contactor assembly having independently controllable contractors
03/15/2007US20070057752 Heat actuated magnetic latching microswitch
03/08/2007WO2006075232A3 Blow open moving contact assembly for electric power switching apparatus with a very high current interruption rating
02/2007
02/28/2007EP1671344B1 Method for increasing current load capacity and for accelerating dynamic contact opening of power switches and associated switching device
02/22/2007US20070041138 Process and device for current limiting with an automatic current limiter
02/08/2007DE19743468B4 Strombegrenzendes Kontaktsystem mit selektiver Wirkung Current-limiting contact system with selective action
02/01/2007WO2007012569A1 Selective main line breaker switch
01/2007
01/17/2007CN1897201A Circuit-controllable protector
01/10/2007CN1892959A Circuit control protector
12/2006
12/27/2006CN1885472A Circuit control protector
12/20/2006CN1881511A Circuit control protector
12/20/2006CN1881510A Circuit control protector
12/13/2006CN1877772A Circuit control protector
12/13/2006CN1290137C Low-voltage circuit breaker
11/2006
11/29/2006CN2842717Y Open-circuit self-resetting type security unit
11/22/2006CN2840312Y 热过载继电器 Thermal overload relay
11/21/2006US7139158 Method and apparatus for current limiting by means of a liquid metal current limiter
11/21/2006US7138892 Method and apparatus for soft-fault tolerant circuit interruption
11/16/2006DE102004038112B4 Elektrisches Schaltgerät Electrical switching apparatus
11/15/2006CN2838033Y Short-circuit protector for miner's lamp
10/2006
10/31/2006CA2200041C Roller latching and release mechanism for electrical switching apparatus
10/25/2006EP1208576B1 Trip override for a rotary breaker
10/25/2006CN2831410Y Non-fuse security switch
10/19/2006DE10320681B4 Schaltschloss zum Verklinken einer Schaltwelle und elektrischer Schalter mit einem derartigen Schaltschloss Latching mechanism for latching a shift shaft and electrical switch having such a switching mechanism
10/18/2006CN1849686A Method for increasing current load capacity and for accelerating dynamic contact opening of power switches and associated switching device
10/18/2006CN1280861C Overvoltage protection device
10/18/2006CN1280860C Positive temperature coefficient terminal
10/11/2006CN2826678Y Safety head for electrical equipment
10/11/2006CN1279561C Release device of protective switch and protective switch system
10/04/2006EP1708223A2 Fault current tolerable contactor
09/2006
09/27/2006CN2821853Y Double knife overload protective switch
09/27/2006CN2821852Y Thn double knife overload protective switch
09/20/2006CN1276447C Solderless contact system for electromagnetic contactor
09/13/2006CN1275276C Low-voltage circuit breaker
09/05/2006US7102471 Electrical power breaker with a switching contact arrangement having a current loop
08/2006
08/30/2006EP1695365A1 Electrodynamically tilting contact system for power circuit breakers
08/30/2006CN2812276Y Position-adjustable split-type three-phase interlocked drop-off sectionalizer
08/30/2006CN2812275Y Drop-off sectionalizer with automatic resetting of on-column mechanism
08/30/2006CN1825518A Adjustable switch structure
08/16/2006CN1820341A Method and device for limiting the current in a liquid metal current limiter
08/16/2006CN1820340A Method and device for current limitation with an automatic current limiter
08/09/2006CN2805067Y Switch linkage structure
08/09/2006CN2805065Y Water-proof type automatic protection switch with indicating automobile circuit
08/03/2006US20060171089 Method and apparatus for current limiting by means of a liquid metal current limiter
07/2006
07/26/2006CN2800566Y Overcurrent protection plug with British standard
07/20/2006WO2006075232A2 Blow open moving contact assembly for electric power switching apparatus with a very high current interruption rating
07/20/2006CA2594392A1 Blow open moving contact assembly for electric power switching apparatus with a very high current interruption rating
07/19/2006EP1681700A1 Circuit breaker
07/19/2006EP1681693A2 Monolithic stationary conductor and current limiting power switch incorporating same
07/13/2006US20060152308 Split rotor system and method with springs
07/12/2006EP1679728A2 Circuit breaker with independent trip and reset lockout
07/06/2006DE19910172B4 Leistungsschalter mit strombegrenzender Öffnung von Schaltkontakten Breaker with current limiting opening of switch contacts
07/06/2006DE10013160B4 Schaltwelleneinheit für einen Schalter Switch shaft unit for a switch
07/05/2006CN2793910Y Adjustable switching structure
06/2006
06/21/2006EP1671344A1 Method for increasing current load capacity and for accelerating dynamic contact opening of power switches and associated switching device
06/21/2006CN2789925Y Electric source switch protector
06/21/2006CN2789924Y Electric power switch protector
06/07/2006EP1665317A1 Electrical switch having latching surfaces that can be pivoted under the influence of electrodynamic force
06/07/2006EP1212766B1 Circuit breaker with independent trip and reset lockout
05/2006
05/26/2006WO2006053619A1 Automatic circuit breaker with tripping device activated by a movable contact
05/03/2006EP1000431B1 Rotary contact assembly for high ampere-rated circuit breakers
04/2006
04/27/2006DE10235650B4 Thermischer Überlastschutz Thermal overload protection
04/26/2006CN1763884A Electromechanical trigger and an electronical safety appliance with the same
04/25/2006US7034642 Blow open moving contact assembly for electric power switching apparatus with a very high current interruption rating
04/12/2006EP1644952A1 Method and device for current limitation with an automatic current limiter
04/12/2006EP1644951A2 Method and device for limiting the current in a liquid metal current limiter
04/11/2006US7024753 Method of manufacturing an inductor
02/2006
02/28/2006US7005594 Movable contactor assembly of circuit breaker
02/23/2006DE102004038112A1 Elektrisches Schaltgerät Electrical switching apparatus
02/15/2006CN1242445C Current limiting low-voltage power circuit breaker
02/08/2006CN2757317Y Overload protection switch structure
02/08/2006CN2757316Y Double loop switch with overload protective device
02/08/2006CN1241226C Circuit breaker and method for breaking off the current therein
02/07/2006US6995640 Pressure sensitive trip mechanism for circuit breakers
02/02/2006DE10343338B4 Schaltvorrichtung mit Kurzschlussstromauslösung und entsprechendes Verfahren Switching device with short-circuit current release and corresponding method
01/2006
01/17/2006US6987657 Voltage surge protection device
01/11/2006CN1236546C Electric control device
01/05/2006DE19845800B4 Niederspannungs-Leistungsschalter mit einer Einrichtung zur Rückstellung eines Haftmagnetauslösers Low-voltage circuit breaker with a means of returning an adhesive magnetic release
12/2005
12/22/2005US20050279734 Arc runner clinch assembly for electrical switching apparatus
12/20/2005US6977568 Blow open moving contact assembly for electric power switching apparatus with a very high current interruption rating
12/15/2005US20050275995 Switching device and electric apparatus
12/14/2005CN1707721A Circuit control protector
12/14/2005CN1231942C Moulded box-type circuit breaker
12/13/2005US6975190 Contactor device of circuit breaker
12/07/2005CN1705058A Circuit control protector
12/07/2005CN1705057A Circuit control protector
11/2005
11/30/2005EP1600988A2 Circuit breaker
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