| Patents for H02H 3 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection (33,031) |
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| 03/04/1999 | WO1999010958A1 Residual current circuit-breaker |
| 03/04/1999 | WO1999010902A2 Circuit breakers with ptc (positive temperature coefficient resistivity) elements |
| 03/04/1999 | WO1999010753A1 Method for the location of a high-resistance earth fault in a power distribution system on the basis of current measurements |
| 03/04/1999 | DE19738699A1 Circuit breaker release magnet operating circuit |
| 03/04/1999 | DE19736356A1 Shore circuit protective circuitry for vehicle onboard supply voltage |
| 03/04/1999 | CA2266536A1 Circuit breakers with ptc (positive temperature coefficient resistivity) elements |
| 03/03/1999 | EP0899848A2 Protective relay arrangement for short-circuit and earth fault protection in an electricity distribution network |
| 03/03/1999 | EP0899845A2 Feeding circuit for a tripping magnet of a circuit breaker |
| 03/03/1999 | EP0777928B1 Earth-leakage circuit breaker with automatic monitoring facility |
| 03/03/1999 | EP0746890B1 Method and apparatus for rms current approximation |
| 03/03/1999 | EP0724790B1 Apparatus comprising transient voltage suppression means |
| 03/03/1999 | CN2309654Y Multi-functional safety electricity-using instrument |
| 03/03/1999 | CN2309653Y Domestic distribution safety monitoring and protecting device |
| 03/02/1999 | US5877929 Break display apparatus for semiconductor switching element incorporating overcurrent/overheating protection function |
| 03/02/1999 | US5877926 Common mode ground fault signal detection circuit |
| 03/02/1999 | US5877925 Ground fault-rating plug for molded case circuit breakers |
| 03/02/1999 | US5877691 Circuit breaker with a circuit breaker unit and processing, calibration and communication modules |
| 03/02/1999 | US5877604 Circuit for operating an electric motor |
| 02/25/1999 | WO1999009630A1 Fault-current protective switchgear |
| 02/25/1999 | WO1999009629A1 Fault-current protective switchgear |
| 02/25/1999 | WO1999009628A1 Fault-current protective switchgear |
| 02/25/1999 | WO1999009575A2 Fuse element for electric installations |
| 02/25/1999 | WO1999009574A1 Fuse element for electrical systems and a method and circuit for operating a fuse element |
| 02/25/1999 | WO1999009573A1 Protective switchgear |
| 02/25/1999 | DE19810044A1 Verfahren zur Überwachung eines Schutzgerätes Method for monitoring a protective device |
| 02/25/1999 | DE19736656A1 Leakage current protective switch |
| 02/25/1999 | DE19736220A1 Fault-current protection device e.g. for protecting against electrocution from touching electrical equipment |
| 02/25/1999 | DE19735743A1 Fault-current protection device e.g. for protecting against dangerous fault-currents in electrical equipment and installations |
| 02/25/1999 | CA2301256A1 Residual current device |
| 02/25/1999 | CA2300905A1 Residual current device |
| 02/25/1999 | CA2300063A1 Residual current device |
| 02/24/1999 | EP0898350A1 Circuit for detecting an earthed metallic element |
| 02/24/1999 | EP0898349A1 Current monitoring appliance and process |
| 02/24/1999 | CN2309005Y Power energy saving safety device |
| 02/24/1999 | CN2309004Y Overcurrent protector |
| 02/23/1999 | US5875087 Circuit breaker with integrated control features |
| 02/18/1999 | WO1999008356A1 Method for monitoring a protective gear |
| 02/18/1999 | DE19736181A1 Data transmission device e.g. for switch cabinet or power switch |
| 02/18/1999 | DE19735552A1 Fuse element for automobile current circuit |
| 02/18/1999 | DE19735546A1 Fuse element for automobile current circuit |
| 02/18/1999 | DE19735416A1 Fault-current protection unit especially circuit-breaker for electrical equipment |
| 02/18/1999 | DE19735412A1 Fault-current protection device e.g. for protecting personnel against dangerous fault currents in electrical equipment |
| 02/17/1999 | EP0896757A1 Device including a thermally protected switching transistor |
| 02/17/1999 | CN2308194Y Voltage early warning type multifunction protector |
| 02/17/1999 | CN2308191Y Over voltage automtic power-off protection circuit |
| 02/17/1999 | CN2308190Y Voltage type automatic protective device for earth leakage |
| 02/17/1999 | CN2308189Y Magnetoelectric instrument with current foldback circuit |
| 02/17/1999 | CN2308188Y Two-wire delay cut-off controller |
| 02/17/1999 | CN2308187Y Nonlinear zener safety barrier |
| 02/17/1999 | CN1208508A Connection in particular a plug-in connector for TT and TN networks |
| 02/17/1999 | CN1208254A Semiconductor integrated circuit reducing undesired current |
| 02/16/1999 | US5872722 Apparatus and method for adjustment and coordination of circuit breaker trip curves through graphical manipulation |
| 02/11/1999 | WO1998047324A3 Safety-enhanced transformer circuit |
| 02/10/1999 | EP0896410A2 Overcurrent detection circuit |
| 02/10/1999 | CN2307363Y Electronic leakage protective circuit-breaker |
| 02/10/1999 | CN1207831A Circuit protection arrangements |
| 02/10/1999 | CN1207600A Telephone line overvoltage protection apparatus |
| 02/09/1999 | US5870035 Instrument panel |
| 02/04/1999 | WO1999005790A1 Apparatus and method for extending the supply of reserved power during a line power interruption |
| 02/04/1999 | WO1999005761A1 Surge protectors that indicate failure to a remote location |
| 02/04/1999 | DE19733268A1 Method of detecting overcurrents in switching system |
| 02/04/1999 | DE19729599C1 Verfahren und Anordnung zur Erkennung von Kurzschlüssen in Niederspannungsnetzen Method and apparatus for detecting short circuits in low voltage distribution systems |
| 02/03/1999 | EP0895330A1 Test method and apparatus for testing a protective relay system |
| 02/03/1999 | CN2306601Y Entrance distribution multifunction protector |
| 02/03/1999 | CN1207211A Socket |
| 02/03/1999 | CN1207176A Method of detecting and locating a high-resistance earth fault in an electric power network |
| 02/03/1999 | CN1206927A High-effciency energy-saving multi-function ac contactor |
| 02/02/1999 | US5867356 Current limiting system and method |
| 02/02/1999 | US5866957 Switching device |
| 02/02/1999 | CA2180187C Anti-snag latch assembly for a connector |
| 01/28/1999 | WO1999004474A1 Electric installation protecting means |
| 01/28/1999 | WO1999004473A1 Monitoring device for electrical safety fuses |
| 01/28/1999 | CA2295668A1 Electric installation protecting means |
| 01/27/1999 | EP0893867A2 Resettable overcurrent protective circuit |
| 01/27/1999 | CN2305799Y Protector for interruption of electric appliance |
| 01/27/1999 | CN2305750Y AC contactor phase-defect protector |
| 01/26/1999 | US5864458 Overcurrent protection circuits comprising combinations of PTC devices and switches |
| 01/26/1999 | US5864456 Clock line over-current protector and industrial control system employing same |
| 01/26/1999 | US5864455 In-line cord ground fault circuit interrupter |
| 01/21/1999 | WO1999003185A1 Solid state overload relay |
| 01/21/1999 | WO1999003184A1 Solid state overload relay |
| 01/21/1999 | WO1999003183A1 Method and system for detecting short-circuits in low-voltage mains |
| 01/21/1999 | DE19727825A1 Überwachungsverfahren für einen Stromkreis Monitoring method for a circuit |
| 01/20/1999 | EP0793868B1 Fault current breaker with a cumulative current converter |
| 01/20/1999 | CN2305015Y Electric appliance protector with recording and displaying functions |
| 01/20/1999 | CN2304997Y Automatic phase-off protective knife-blade switch |
| 01/20/1999 | CN2304936Y Multifunctional wide range constant voltage protector |
| 01/19/1999 | US5862312 Loosely coupled mass storage computer cluster |
| 01/19/1999 | US5861787 Reverse power protection circuit and relay |
| 01/14/1999 | WO1999001916A1 Method for monitoring an electric circuit |
| 01/14/1999 | DE19728783A1 Overvoltage protection circuit for inputs to integrated circuits |
| 01/13/1999 | EP0890846A2 The monitoring of earth leakage faults |
| 01/13/1999 | EP0890220A1 Electronic branch switching device |
| 01/13/1999 | EP0890211A1 Process for detecting abutment and blocking in an electric motor |
| 01/13/1999 | EP0890210A1 Safety adapter for ungrounded electrical socket |
| 01/13/1999 | EP0890112A1 Testing electrical installations |
| 01/13/1999 | EP0889804A1 Device for interrupting the flow of current in a cable |
| 01/13/1999 | CN2304213Y Safety protective switch for electric-heating blanket |
| 01/13/1999 | CN1205126A Digital current differential system |
| 01/13/1999 | CN1204773A Method and apparatus for detecting out-of-step in electric power system |