Patents
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)
02/2013
02/05/2013US8369057 Remote locking roof access hatch
02/05/2013US8369055 Method for setting free detection of out of step condition in electrical power system
02/05/2013US8369054 NMOS-based feedback power-clamp for on-chip ESD protection
02/05/2013US8369052 Modular circuit breaker
02/05/2013US8369050 Circuit for protecting a DC network with DC loads against overvoltage
02/05/2013US8368484 High-frequency module
01/2013
01/31/2013WO2013014251A2 Switching device
01/31/2013WO2013013415A1 Ground wire safe voltage control system
01/31/2013WO2012136336A3 Charging device for a high-voltage battery of a motor vehicle, charging assembly and method for operating a charging assembly
01/31/2013WO2012136335A3 Charging device for a high-voltage battery of a motor vehicle, charging assembly and method for operating a charging assembly
01/31/2013US20130027826 Circuit protection device and protection method thereof
01/31/2013US20130027817 Micro electro-mechanical switch (mems) based over current motor protection system
01/31/2013DE102008012605B4 Schutzschaltgerät zum Überwachen des elektrischen Stromflusses zu einem elektrischen Verbrauch Protective circuit breaker device for monitoring the electric current flow in electric consumption
01/30/2013EP2551980A1 Circuit protection device and protection method thereof
01/30/2013EP2550714A1 Fault detection circuits for switched mode power supplies and related methods of operation
01/30/2013EP2550713A1 A hybrid circuit breaker
01/30/2013CN202713642U Secondary protection electric blanket circuit
01/30/2013CN202713490U Short-circuit protective circuit at power supply end of liquid crystal display television control chip and liquid crystal display television
01/30/2013CN202713348U Communication module of breaker
01/30/2013CN202713164U Thickened oil electric thermal recovery heating power supply with fault diagnosing and warning functions
01/30/2013CN202713155U Power supply control system of detector of X-ray spectrometer
01/30/2013CN202712836U Grounded-neutral system
01/30/2013CN202712822U Protective warning device for output capacitor filtering branch of voltage source converter
01/30/2013CN202712818U Hall sensor short-circuit protection circuit, motor controller and electric car
01/30/2013CN202712815U Electronic circuit over-voltage protector
01/30/2013CN202712814U Shutdown output over-voltage and under-voltage protection circuit
01/30/2013CN202712813U Voltage overload protector possessing automatic recovery function
01/30/2013CN202712812U Current foldback circuit for automobile player and automobile player
01/30/2013CN202712811U Charger overcurrent protection circuit and charger
01/30/2013CN202711914U Oil exchange device
01/30/2013CN102906847A Electrical leakage detection apparatus with unexpected motion blocking function
01/30/2013CN102905931A Method and arrangement of electrical conductors for charging a vehicle battery
01/30/2013CN102904238A Overheat, overcurrent and overvoltage lightning protector
01/30/2013CN102904228A Protection method and protection device of power distribution network
01/30/2013CN102904210A Leakage protection method, leakage protection device and water heater
01/30/2013CN102904209A Digital signal processing (DSP)-based current separation motion type electric leakage protection device and method
01/30/2013CN102904208A Leakage breaker
01/30/2013CN102904207A Overvoltage protector
01/30/2013CN102904206A Precharging safety protection circuit and system thereof
01/30/2013CN102904205A Internal-opening device for geothermal power generation
01/30/2013CN102904204A Internal disconnecting device for solar power generation
01/30/2013CN102904203A Internal-opening device for geothermal power generation
01/30/2013CN102903582A Controller device of intelligent residual current circuit breaker
01/30/2013CN102903580A Normally-closed type power supply main switch device and automatic power off method of automatic short circuit
01/30/2013CN101944715B Load short-circuit protection circuit
01/30/2013CN101902026B Regulating method and regulating device of weakly mixed cranking motor brush
01/29/2013US8363372 Rapid discharging circuit upon detection of abnormality
01/29/2013US8363371 Safety switching device for setting a safety-related device to a safe state
01/29/2013US8363370 Over-voltage protection circuit
01/29/2013US8363369 Short circuit and open circuit protection for a boost converter
01/29/2013US8363366 Electrostatic discharge protection circuit
01/29/2013US8363364 Power feed control device
01/29/2013US8362789 Impedance-based arc fault determination device (IADD) and method
01/29/2013US8360117 System and method for monitoring a ground connection
01/24/2013WO2013011906A1 Battery-incorporating appliance and charging stand, and battery-incorporating appliance
01/24/2013WO2013010591A1 Fault identification and location in a power supply line which is fed from one side
01/24/2013US20130021712 Overvoltage protection method and device
01/24/2013US20130021709 Conductor arrangement for reducing impact of very fast transients
01/24/2013US20130021708 Hybrid Circuit Breaker
01/24/2013US20130021703 Over-current protection device
01/24/2013US20130021702 Input control apparatus and method with inrush current, under and over voltage handling
01/24/2013US20130021701 Overvoltage and overcurrent protection circuit
01/24/2013DE102011079461A1 Schalter mit einem prüfbaren Stromwandler und Verfahren zum Prüfen eines Stromwandlers eines Schalters Switch having a testable current transformer and method of testing a current transformer of a switch
01/23/2013EP2549612A2 Method for locking a switch
01/23/2013EP2549611A2 Fault current limiter
01/23/2013EP2549610A2 Circuit breaker trip notification systems and methods
01/23/2013EP2549609A2 Protection coordination system with current limiter
01/23/2013EP2549608A1 Protection relay device and protection relay method
01/23/2013EP2548273A1 Method and apparatus for supervisory circuit for ground fault circuit interrupt device
01/23/2013CN202696486U 5-volt (V) voltage-stabilized power supply with protecting function
01/23/2013CN202696482U Power supply circuit for leakage circuit breaker
01/23/2013CN202696128U Over-voltage protection module
01/23/2013CN202696115U Protective device for high voltage laboratory
01/23/2013CN202696113U A type electronic leakage circuit breaker with grounding function
01/23/2013CN202696112U Ground fault circuit interrupter system
01/23/2013CN202696111U Phase failure and phase unbalance protection circuit
01/23/2013CN202696110U Overvoltage and under-voltage protection circuit
01/23/2013CN202696109U Over-voltage and low-voltage protection device
01/23/2013CN202696108U Voltage type leakage protection power line overcurrent protection device used for electric water heater
01/23/2013CN202696107U Direct-current stabilized power supply protective device with time delay and audio feedback functions
01/23/2013CN202696106U Quick power electronic circuit breaker device
01/23/2013CN1714528B Disaster recovery port in a portable computer, recovering method and system
01/23/2013CN102893477A Residual current device
01/23/2013CN102893476A Protection relay apparatus
01/23/2013CN102892221A LED (light-emitted diode) lamp and open-circuit protective circuit thereof
01/23/2013CN102891471A Three-phase circuit breaker having zero offset, zero/fire wire reverse connection and fire wire disconnection protection functions
01/23/2013CN102891470A Vehicle circuit protection device and protection method of vehicle circuit
01/23/2013CN102891469A Fault current limiter
01/23/2013CN102891468A Fault current limiter
01/23/2013CN102891467A Led短路保护 Led short circuit protection
01/23/2013CN102891466A Overvoltage/overcurrent protection circuit
01/23/2013CN102891465A Interchanged additional circuit for split protector current transformer
01/23/2013CN102891464A Photovoltaic string protection device
01/23/2013CN102891048A Switch with a testable electricity converter and method for testing an electricity converter
01/23/2013CN102361317B Leakage protection test circuit
01/23/2013CN102354947B Leakage protection device with protection function in case of live grounding wire
01/23/2013CN102110555B Load variation tracking automatic rated value breaker
01/23/2013CN101710554B A-type intelligent circuit breaker with automatic switching-on function
01/23/2013CN101540550B Circuit device with full-voltage starting, partial-voltage work and power-off delay
01/23/2013CN101506668B Method for sampling a current or voltage profile and for forming sampling values, in particular for use in protection and control devices for energy transmission systems
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