| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 01/30/2013 | CN202712845U Surge protection circuit and surge protector |
| 01/30/2013 | CN202712844U Device for suppressing transformer neutral point DC current by resistance method, with bypass protection function |
| 01/30/2013 | CN202712843U Safe and reliable lightening protection device |
| 01/30/2013 | CN202712842U Six-branch overvoltage limiter |
| 01/30/2013 | CN202712841U Tri-proof surge protective device |
| 01/30/2013 | CN202712840U Single-phase multi-stage protection compound type surge protective device |
| 01/30/2013 | CN202712839U Triple three-phase tandem type surge protective device |
| 01/30/2013 | CN202712838U Overvoltage protection device of power equipment |
| 01/30/2013 | CN202712837U Input DC anti-peak and overvoltage surge circuit |
| 01/30/2013 | CN202712836U Grounded-neutral system |
| 01/30/2013 | CN202712835U Anti-interference circuit for signal transmission |
| 01/30/2013 | CN202712834U Multispectral remote sensing camera electronic equipment multichannel gating control circuit |
| 01/30/2013 | CN202712833U Grounding protective device applicable to isolated neutral system |
| 01/30/2013 | CN202712832U Multifunctional surge protective device applied to electronic information system |
| 01/30/2013 | CN202712831U Electric discharge protection circuit of explosion-proof electric equipment and interlocking device thereof |
| 01/30/2013 | CN202712830U Ldo保护电路 Ldo protection circuit |
| 01/30/2013 | CN102904272A Energy conversion system with improved transient event ride through and method |
| 01/30/2013 | CN102904241A Protection circuitry for reversible connectors |
| 01/30/2013 | CN102904240A Suppression circuit and suppression method for secondary arc of super/ultra high voltage transmission line |
| 01/30/2013 | CN102904239A Reactive compensation discharge device |
| 01/30/2013 | CN102904238A Overheat, overcurrent and overvoltage lightning protector |
| 01/30/2013 | CN102904237A Surge protecting box |
| 01/30/2013 | CN102904236A Electric apparatus with ESD protection effect |
| 01/30/2013 | CN102904235A Power over Ethernet powered device circuit and electrostatic discharge protection circuit thereof |
| 01/30/2013 | CN102904234A Lightning protection system |
| 01/30/2013 | CN102904233A Lightning protection method for remote interconnected signal converter |
| 01/30/2013 | CN102904232A Circuit compensating controller |
| 01/30/2013 | CN102904231A Insulation protection device for preventing high-voltage counterattack of ground potential |
| 01/30/2013 | CN102904213A Lightning protection structure for counterattack shunting of transformer |
| 01/30/2013 | CN102904208A Leakage breaker |
| 01/30/2013 | CN102903716A Combined output buffer and ESD diode device |
| 01/30/2013 | CN101944715B Load short-circuit protection circuit |
| 01/29/2013 | US8363371 Safety switching device for setting a safety-related device to a safe state |
| 01/29/2013 | US8363370 Over-voltage protection circuit |
| 01/29/2013 | US8363369 Short circuit and open circuit protection for a boost converter |
| 01/29/2013 | US8363368 Power supply shunt |
| 01/29/2013 | US8363367 Electrical overstress protection circuit |
| 01/29/2013 | US8363366 Electrostatic discharge protection circuit |
| 01/29/2013 | US8363365 Semiconductor device |
| 01/29/2013 | US8363363 DC-DC converters having improved current sensing and related methods |
| 01/25/2013 | DE202012012472U1 Überspannungsableiter Surge |
| 01/24/2013 | WO2013011913A1 Switching device |
| 01/24/2013 | WO2012130477A3 Surge protection device |
| 01/24/2013 | US20130021707 Protection coordination system |
| 01/24/2013 | US20130021706 Fault current limiter |
| 01/24/2013 | US20130021705 Fault current limiter |
| 01/24/2013 | US20130021702 Input control apparatus and method with inrush current, under and over voltage handling |
| 01/24/2013 | US20130021700 Active clamped transistor circuit |
| 01/24/2013 | DE102011079326A1 Verfahren und Vorrichtung zum Überwachen einer Masseverbindung Method and apparatus for monitoring a ground connection |
| 01/23/2013 | EP2549613A1 Overvoltage protection method and device |
| 01/23/2013 | EP2549611A2 Fault current limiter |
| 01/23/2013 | EP2549501A1 Fault current limiter |
| 01/23/2013 | CN202696463U Power supply filter capable of inhibiting overvoltage surge |
| 01/23/2013 | CN202696169U Boosting reactive power compensation filter device for low voltage side of submerged-arc furnace |
| 01/23/2013 | CN202696151U Anti-harmonic capacitance switching contactor |
| 01/23/2013 | CN202696146U Overvoltage protection device of single-phase electric energy meter calibration station communication module |
| 01/23/2013 | CN202696145U Multipath lightning protection device of video camera |
| 01/23/2013 | CN202696144U I/O (Input/Output) port protection circuit of MCU (Microprogrammed Control Unit) |
| 01/23/2013 | CN202696143U Mixed type grounding device for interrupting introducing of lightening in cable of distributed base station |
| 01/23/2013 | CN202696142U Jacket protector |
| 01/23/2013 | CN202696141U Arc-extinction resonance-elimination device |
| 01/23/2013 | CN202696140U Power protection circuit with functions of soft boot and discharging |
| 01/23/2013 | CN202696139U Surge protection device |
| 01/23/2013 | CN202696138U Excess voltage absorption protection circuit capable of accurately presetting protection value |
| 01/23/2013 | CN202696137U Protective circuit for RS485 interface of computer |
| 01/23/2013 | CN202696136U Multifunctional signal lightning arrester |
| 01/23/2013 | CN202696135U Dual-loop current limiting protection circuit |
| 01/23/2013 | CN202696134U Power supply |
| 01/23/2013 | CN202696133U Lightning prevention ring of electrified railway traction substation |
| 01/23/2013 | CN202696106U Quick power electronic circuit breaker device |
| 01/23/2013 | CN202695117U Three-phase integrated current transformer with short-circuit protection function |
| 01/23/2013 | CN202694564U Relay equipment of remote meter reading network system |
| 01/23/2013 | CN102891481A Lightning protection module and method of grounding-free single-phase power supply |
| 01/23/2013 | CN102891480A Protection coordination system with current limiter |
| 01/23/2013 | CN102891469A Fault current limiter |
| 01/23/2013 | CN102891468A Fault current limiter |
| 01/23/2013 | CN101932158B Led circuit |
| 01/22/2013 | US8358490 Transistor with EOS protection and ESD protection circuit including the same |
| 01/17/2013 | WO2013008152A1 Surge protection device |
| 01/17/2013 | WO2013007134A1 Short-circuit current limiting and protection device for electrical circuit |
| 01/17/2013 | US20130016448 Transient voltage blocking for power converter |
| 01/17/2013 | US20130016447 Electrostatic discharge (esd) protection device |
| 01/17/2013 | US20130016446 Circuit configurations to reduce snapback of a transient voltage suppressor |
| 01/17/2013 | US20130016445 RC Triggered ESD Protection Device |
| 01/17/2013 | US20130015833 Automatic power converter bypass |
| 01/16/2013 | EP2546944A1 Gradually reducing resistive clamp |
| 01/16/2013 | EP2546842A2 Coil for limiting energy |
| 01/16/2013 | CN202679349U Voltage amplitude limit module for antenna in radio frequency identification system |
| 01/16/2013 | CN202679342U A clock signal expansion unit device containing a lightning protection function |
| 01/16/2013 | CN202679297U Current limiting starting protection circuit for DC brushless motor |
| 01/16/2013 | CN202679286U A pumping unit well group control system based on a DC bus |
| 01/16/2013 | CN202679058U Double power supply and input direct-current surge protection module |
| 01/16/2013 | CN202678968U Communication protecting circuit and air conditioner adopting the communication protecting circuit |
| 01/16/2013 | CN202678965U Automatic tuning arc suppression coil grounding device |
| 01/16/2013 | CN202678964U AC (alternating current) side surge overvoltage absorber |
| 01/16/2013 | CN202678963U Mobile lightning protection unit for power strips |
| 01/16/2013 | CN202678962U Overhead insulation line lightning protection apparatus |
| 01/16/2013 | CN202678961U High-capacity over-voltage absorption device |
| 01/16/2013 | CN202678960U Peak overvoltage absorber |
| 01/16/2013 | CN202678959U Surge protector |