| Patents for H01H 83 - Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current (5,042) |
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| 04/08/2008 | US7355497 Reset lockout and trip for circuit interrupting device |
| 04/08/2008 | CA2327344C Ground fault circuit breaker |
| 04/08/2008 | CA2245420C High current ground fault circuit interrupter |
| 04/02/2008 | CN201044232Y Device for extinguishing arc, extinguishing harmony, selecting line and over-voltage protection |
| 04/01/2008 | US7352552 Device for protection against voltage surges with mobile electrode |
| 03/27/2008 | WO2008035322A1 A retrofitting power distribution device and uses thereof |
| 03/27/2008 | WO2008034972A2 Protection unit |
| 03/27/2008 | WO2008034398A1 Auxiliary release for a circuit breaker |
| 03/26/2008 | CN201041795Y Breaker with indication, reset, alarm and buckle release device |
| 03/19/2008 | EP1901328A1 Protection unit |
| 03/19/2008 | CN201038722Y Electrical switch quick breaking controller |
| 03/19/2008 | CN201038480Y Creepage protecting socket |
| 03/19/2008 | CN201038100Y Circuit breaker possessing residual current electric protection and liquid crystal display |
| 03/19/2008 | CN201038099Y Suction-assistant type under-voltage electrical apparatus release |
| 03/19/2008 | CN201038098Y Single-phase over-voltage safeguard electrical apparatus release |
| 03/19/2008 | CN201038093Y Under-voltage electrical apparatus release and shunt opening electrical apparatus release for sharing same unit box |
| 03/19/2008 | CN201038087Y Residual current operated protector dedicated switching device |
| 03/19/2008 | CN201038083Y High reliability electromotor current relay for initiating overload protection |
| 03/19/2008 | CN101145478A Circuit breaker with leakage, overloading and short circuit protector |
| 03/18/2008 | US7345383 Abnormality detection apparatus for a power feed circuit |
| 03/18/2008 | CA2156628C A compact coil assembly for transient voltage protection |
| 03/13/2008 | US20080062592 Aircraft applicable current imbalance detection and circuit interrupter and packaging therof |
| 03/12/2008 | CN101140840A Circuit breaker |
| 03/11/2008 | US7342474 Circuit breaker configured to be remotely operated |
| 03/05/2008 | CN100373517C Permanent-magnet grounding fault breaker plug and its permanent-magnet movement mechanism |
| 03/04/2008 | US7339774 Automatic battery disconnect system |
| 02/28/2008 | US20080049366 Protection circuit |
| 02/27/2008 | CN201029089Y Permanent magnet type under-voltage releaser |
| 02/20/2008 | CN201025650Y Multi-function fireproof overload protection jack |
| 02/20/2008 | CN201025608Y Multi-function current leakage breaker |
| 02/20/2008 | CN201025607Y An overload protection switch |
| 02/20/2008 | CN201025597Y Plug type over voltage protector |
| 02/20/2008 | CN100370570C Intellight earth-fault circuit breaker with reverse connection protection |
| 02/20/2008 | CN100370569C Actuating mechanism of reverse-connection protection earth-fault circuit breaker with static pressure balance |
| 02/20/2008 | CN100370568C Actuating mechanism of earth-fault circuit breaker for reducing energy consumption and its realizing method |
| 02/20/2008 | CN100370567C Device and method for avoiding pressure responsive resistor failure and earth-fault circuit breaker |
| 02/14/2008 | US20080036559 Distance protection relay and method |
| 02/13/2008 | CN201022069Y Breaker with miss and under voltage buckle release and electronic over current buckle release |
| 02/13/2008 | CN201022068Y Device for blocking electrical connection between power supply input and output end |
| 02/13/2008 | CN201022067Y Buckle release device for residual current breaker |
| 02/13/2008 | CN201022066Y A current leakage protector |
| 02/13/2008 | CN101123157A Circuit breaker |
| 02/13/2008 | CN101123156A Circuit breaker |
| 02/12/2008 | US7329969 Electronic device including interface terminal and power supply cable connected thereto |
| 02/06/2008 | EP1883941A1 Device for housing and connection of accessories for switches |
| 02/06/2008 | EP1883828A1 Circuit protection device and test facility to simulate a fault condition |
| 02/06/2008 | CN201018126Y Creepage protecting socket with service life expiration detecting function |
| 02/06/2008 | CN101118820A display apparatus of novel earthing fault breaker |
| 02/06/2008 | CN100367439C Active part for a surge arrester |
| 02/06/2008 | CN100367438C Earth leakage breaker |
| 02/05/2008 | US7327053 Electronic power circuit |
| 02/05/2008 | US7327052 Modular connecting system for protecting an electrical load in a bus system |
| 02/05/2008 | CA2262199C Electrical switching apparatus employing interlocks for first and second trip functions |
| 01/30/2008 | CN201015154Y Electromagnetic creepage protecting socket |
| 01/30/2008 | CN201015153Y Creepage protecting socket with service life expiration detecting function |
| 01/30/2008 | CN201015108Y Electromechanical tripping gear for creepage protector |
| 01/30/2008 | CN101114557A Safety circuit breaker |
| 01/24/2008 | US20080018177 Power management apparatus having an extended safe operation region and operation method thereof |
| 01/22/2008 | CA2142249C Single solenoid actuator for two-pole ground fault circuit interrupter |
| 01/17/2008 | US20080012668 Redundant trip activation |
| 01/17/2008 | US20080012667 Method and system for time synchronized trip algorithms for breaker self protection |
| 01/17/2008 | US20080012429 Fan and switch control device thereof |
| 01/16/2008 | CN101106262A Dual core intelligent communication control for plastic shell low voltage breaker |
| 01/16/2008 | CN101106047A A single phase grounding failure relay protection method based on negative electrical impedance relay |
| 01/16/2008 | CN101106044A Shunt release capable of detecting working state of circuit breaker |
| 01/10/2008 | DE202007013333U1 Verteilervorrichtung Distribution device |
| 01/09/2008 | CN101103427A Blow open moving contact assembly for electric power switching apparatus with a very high current interruption rating |
| 01/09/2008 | CN101101836A Shunt opening release capable of being controlled by external electricity-breaking protection signal |
| 01/03/2008 | US20080002326 Load drive controller and control system |
| 01/02/2008 | EP1873808A1 Modular electrical device providing at least two electrical functions, such as a differential circuit breaker |
| 01/02/2008 | EP1873807A1 Electric protection device controlled by an auxiliary control device |
| 01/02/2008 | CN201001022Y Test device for aftercurrent simulation |
| 01/02/2008 | CN101097819A Modular electrical device providing at least two electrical functions, such as a differential circuit breaker |
| 01/02/2008 | CN101097818A Distance protection relay and method |
| 01/02/2008 | CN101097817A Electric protection device controlled by an auxiliary control device |
| 12/28/2007 | CA2589956A1 Ground fault circuit interruptor (gfci) device having safe contact end-of-life condition and method of detecting same in gfci device |
| 12/27/2007 | DE102004045937B4 Blockiervorrichtung und Verfahren für einen Schutzschalter Blocking device and method for a circuit breaker |
| 12/26/2007 | CN200997378Y Inleakage releasing mechanism of circuit breaker |
| 12/26/2007 | CN200997375Y Inleakage circuit breaker with inleakage action indicating function |
| 12/25/2007 | US7312965 Aircraft applicable current imbalance detection and circuit interrupter and packaging thereof |
| 12/23/2007 | CA2593646A1 Circuit interrupter including nonvolatile memory storing cause-of-trip information |
| 12/21/2007 | WO2007143891A1 Ground fault circuit interrupter with reverse wiring and end-of-life protection |
| 12/20/2007 | DE10123942B4 Überwachungseinrichtung Monitoring device |
| 12/19/2007 | CN200994025Y Leakage protection socket |
| 12/19/2007 | CN200993948Y Safety earth fault circuit breaker |
| 12/19/2007 | CN200993947Y Fault release device for overvoltage protection device |
| 12/19/2007 | CN101090052A Creepage breaker |
| 12/19/2007 | CN101090051A Integratedblock safety unit |
| 12/12/2007 | CN200990496Y Automatic overvoltage overcurrent electrical shock and leakage protector |
| 12/12/2007 | CN200990455Y Electricity leakage protection socket with service life terminal detection function |
| 12/12/2007 | CN101086938A Mixed drive motorcar power control device and its protection method |
| 12/12/2007 | CN101086937A Intelligent AC vacuum contactor |
| 12/12/2007 | CN100354777C Integrated protection, monitoring and control system |
| 12/05/2007 | CN101083188A Improved structure for electric leakage circuit breaker |
| 12/04/2007 | CA2181491C Ground fault circuit interrupt system including auxiliary surge suppression ability |
| 11/30/2007 | CA2589949A1 Self testing ground fault circuit interrupter (gfci) with end of life (eol) indicator, secondary power supply for eol and self test circuitry, and device for opening line hot wheneol occurs |
| 11/29/2007 | US20070273461 Electro-Magnetic Force Driving Actuator and Circuit Breaker Using the Same |
| 11/29/2007 | US20070272531 Leading Auxiliary Switch for Circuit Breaker |
| 11/29/2007 | DE102006038005A1 Anschluss- und Basisteil zur Aufnahme eines steckbaren Überspannungsableiters Connection and base part for accommodating a pluggable surge arrester, |
| 11/29/2007 | CA2652771A1 Bi-directional ground fault circuit interrupter |