| 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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| 06/25/1992 | DE4041672A1 Monitoring unit for DC circuit for photovoltaic prodn. plants - which with line interference occuring within monitored stretch, current flow through monitored line section is interrupted using two monitoring lines |
| 06/24/1992 | CN2108370U Integral low voltage electric appliance protector |
| 06/24/1992 | CN2108327U Electronic automatic temp.-controlled leakage of electricity protector |
| 06/24/1992 | CN2108304U Single phase kilowatt-hour meter capable of avoiding leak and fraudulent use of electricity |
| 06/24/1992 | CN2108303U Current limiting arrangement capable of avoiding fraudulent use of electricity |
| 06/23/1992 | US5124875 Overcurrent protection apparatus |
| 06/23/1992 | US5124566 Shutoff circuit for sensor controlled switch |
| 06/23/1992 | CA1304121C Control device for a dc motor intended for in particular driving opening elements on automobile vehicles |
| 06/23/1992 | CA1304112C Molded case circuit breaker actuator-accessory module |
| 06/20/1992 | WO1992011676A1 Addressable relay module for circuit breakers |
| 06/17/1992 | EP0490787A1 Protection circuit limiting overvoltages between selected limits and its monolithic integration |
| 06/17/1992 | EP0490786A1 Programmable protection circuit and monolithic manufacturing thereof |
| 06/17/1992 | EP0490123A2 Fault current sensor circuit |
| 06/17/1992 | EP0490079A2 Overvoltage protecting device |
| 06/17/1992 | CN2107725U Energy-saving leakage relay |
| 06/16/1992 | CA1303717C Add-on ground fault module |
| 06/16/1992 | CA1303716C Circuit interrupter apparatus with a selectable display means |
| 06/16/1992 | CA1303715C Circuit interrupter apparatus with a battery backup and reset circuit |
| 06/16/1992 | CA1303714C Circuit interrupter apparatus with a style saving override circuit |
| 06/14/1992 | WO1992010878A1 Circuit protection device |
| 06/14/1992 | CA2096641A1 Circuit protection device |
| 06/10/1992 | CN2107117U Electronic ballast |
| 06/10/1992 | CN2107115U Electronic circuit source of high-efficient neon lamp |
| 06/10/1992 | CN2107080U Multi-functional three-phase leakage protector |
| 06/10/1992 | CN2107079U Segmental power network load computing control terminal |
| 06/10/1992 | CN1017010B Dual-delay current limiter for reset after power-off |
| 06/09/1992 | US5121282 Arcing fault detector |
| 06/03/1992 | EP0488240A1 Inverter apparatus provided with electric discharge control circuit of DC smoothing capacitor and method of controlling the same |
| 06/03/1992 | EP0488123A2 Digital protective relay apparatus |
| 06/03/1992 | EP0487964A2 Circuit arrangement for protecting a field-effect-controlled semiconductor against overload |
| 06/03/1992 | EP0487920A1 PTC element |
| 06/03/1992 | CN2106432U High voltage combined protection relay device |
| 06/03/1992 | CN2106431U Phase interruption protector |
| 06/03/1992 | CN2106430U Protective device for rediffusion on wire network |
| 06/03/1992 | CN2106388U Microcomputer power energy-saving meter |
| 06/02/1992 | US5119289 Device for protecting an electric operating means |
| 06/02/1992 | US5119262 High-voltage transformer protection circuit |
| 06/02/1992 | CA1302480C Method to control stops of an intermittently operating electric motor |
| 05/31/1992 | WO1992009899A1 Display for a circuit breaker trip unit |
| 05/31/1992 | CA2074264A1 Display for a circuit breaker trip unit |
| 05/30/1992 | WO1992010018A1 Fail-resistant solid state interruption system |
| 05/30/1992 | WO1992009943A1 Solid state current controlled interruption system |
| 05/30/1992 | CA2074268A1 Fail-resistant solid state interruption system |
| 05/29/1992 | WO1992009129A1 Device for processing data provided by the contact potential, and cutoff device linked thereto |
| 05/27/1992 | CN2105825U Electronic ballast with startless protective device |
| 05/27/1992 | CN2105786U Protector for the water discharging electromagnet of washing machine |
| 05/27/1992 | CN2105785U Earthed leak-proof protector |
| 05/27/1992 | CN2105784U Phase shift composite relay |
| 05/27/1992 | CN2105783U High or low voltage phase-losing protector for electric distribution appliance |
| 05/27/1992 | CN2105782U Refrigerator protector |
| 05/27/1992 | CN2105781U Communication car power source protector |
| 05/27/1992 | CN2105780U Powerless automatic electricity limiter |
| 05/27/1992 | CN2105779U Infrared monitor for electricity fraudulent use proof |
| 05/27/1992 | CN2105717U Domestic multi-function ac voltage regulator |
| 05/26/1992 | US5117325 Controllable recloser for power line |
| 05/26/1992 | US5117323 Electrode line protection |
| 05/26/1992 | CA1301904C Solid-state trip device comprising a zero sequence current detection circuit |
| 05/26/1992 | CA1301826C Solid state protector unit |
| 05/20/1992 | CN2105128U Energy-saving voltage-stabilizing refrigerator protector |
| 05/19/1992 | US5115371 Circuit breaker comprising an electronic trip device |
| 05/19/1992 | US5115226 Relay for detecting a current disturbance and asserting an output |
| 05/19/1992 | CA1301298C Full automatic electric shock protector apparatus |
| 05/14/1992 | WO1992008267A1 Servomotor-control circuit |
| 05/14/1992 | WO1992008266A1 Line voltage monitor and controller with low voltage stabilization |
| 05/14/1992 | DE4035067A1 Schaltungsanordnung zur steuerung eines stellmotors Circuit arrangement for the control of an alternate engine |
| 05/13/1992 | EP0484759A2 A power controlling apparatus with a power failure detecting function |
| 05/13/1992 | EP0484698A1 Differential-type electronic safety device for household appliances |
| 05/13/1992 | EP0484341A1 A power supply. |
| 05/13/1992 | CN2104520U 自保式全自动过压保护器 Automatic self-protection overvoltage protection |
| 05/13/1992 | CN1061114A Circuit protection arrangement |
| 05/12/1992 | US5113304 Digital protective circuit breaker |
| 05/07/1992 | DE4106681C1 Load current control circuit for electric load - has end stage controlling switching relay for main and auxiliary load circuits |
| 05/06/1992 | EP0483591A2 Low tension switch device |
| 05/06/1992 | EP0483450A1 Component circuit with at least one semiconductor switch for switching a load |
| 05/06/1992 | EP0483165A1 A ground fault circuit interrupter having loss of neutral or loss of ground protection. |
| 05/06/1992 | EP0483164A1 A ground fault circuit interrupter. |
| 05/06/1992 | CN2103879U Electronic ballast possessing lamp non-starting protection function |
| 05/06/1992 | CN2103878U Electronic ballast with balance detecting protection circuit |
| 05/06/1992 | CN2103867U Self-protective type contactless protector |
| 05/06/1992 | CN2103865U Multifunctional safety power plug |
| 05/06/1992 | CN1060932A Multifunctional circuit-protecting device |
| 05/06/1992 | CN1060909A Multifunctional self-controlling watt-hour meter |
| 05/05/1992 | US5111189 Fault indicator with timing control |
| 04/30/1992 | DE4127457A1 Diverter isolating switch between mains conductors and earth - is activated by excessive temp. detected by sensors in close thermal contact with supporting circuit board |
| 04/29/1992 | EP0482767A2 Fault detection arrangement |
| 04/29/1992 | CN2103212U A. c. open-phase overload protector |
| 04/29/1992 | CN2103196U Self-brake energy-saving pullswitch for power cut |
| 04/29/1992 | CN1060744A Overcurrent protection device |
| 04/28/1992 | CA1299723C Electric safety supply apparatus and connector device combination |
| 04/28/1992 | CA1299698C Shorted-coaxial-cable detector for local-area networks |
| 04/28/1992 | CA1299643C Digital circuit interrupter with electric motor trip parameters |
| 04/23/1992 | DE4033444A1 Overcurrent protection for network fed from emergency supply - has shunt for measuring current through fuse link, and breaks circuit by controlled semiconductor switch operation |
| 04/22/1992 | EP0480937A1 Loss of neutral or ground protection circuit. |
| 04/21/1992 | CA1299225C Polyphase circuit fuse condition indicating device |
| 04/16/1992 | DE4032689A1 Monitoring circuit for semiconductor operating voltage - uses two opto-couplers with their logic output signals combined |
| 04/15/1992 | CN2101958U Dynamic voltage comparative type selective high voltage leaky protector |
| 04/15/1992 | CN2101947U Multifunctional safety socket |
| 04/15/1992 | CN1060359A Arrangement on watt-hour meter for avoiding fraudulent use |
| 04/14/1992 | US5105328 Semiconductor circuit having an excess voltage protection circuit |
| 04/14/1992 | US5105327 Ac power conditioning circuit |