Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › H01H 83 - Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
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)
11/2012
11/08/2012DE102011075456A1 Core-balance current transformer for use in earth leakage circuit breaker e.g. relay, for detecting alternating current sensitive residual current in conductor circuit, has partitioning part with wall that is arranged in inner area of core
11/07/2012CN102290292B Aftercurrent protection circuit breaker
11/01/2012WO2012111936A3 Leaking current shut-off device for preventing malfunction due to a surge
10/2012
10/31/2012EP2517222A1 Electronic miniature circuit breaker with trip indication using the breaker tripping function as the feedback mechanism
10/31/2012CN202513112U Leakage current test and reset button integrated device of residual current circuit breaker
10/31/2012CN202513111U Automatic pole-mounted load switch
10/31/2012CN102763187A Assembly for protecting against power surges
10/31/2012CN102760622A Un-lengthened 18mm-width multifunctional residual current circuit breaker
10/31/2012CN102760620A Auxiliary tripper for circuit breaker and circuit breaker adopting auxiliary tripper
10/30/2012CA2504525C Ground fault circuit interrupter with enhanced radio frequency interference suppression
10/24/2012EP2513942A1 Assembly for protecting against power surges
10/24/2012CN202502967U Residual current breaker
10/24/2012CN202502966U Circuit breaker
10/24/2012CN202502964U Over-/under-voltage tripping device of miniature circuit breaker
10/23/2012US8294305 Modular charge close trip device
10/23/2012US8294304 Charge device with solenoid on frame
10/17/2012EP2511932A2 Trip button mechanism of external handle for circuit breaker
10/10/2012EP2509092A1 Electric switching device
10/10/2012CN202487512U Undervoltage tripper
10/03/2012EP2506283A1 Compact residual current breaker with overcurrent protection
10/03/2012EP2504883A1 Lightning protection device for an antenna receiver, and aircraft comprising same
10/03/2012CN102709131A Double-mechanism super-small 1P plus N electric leakage circuit breaker
10/03/2012CN101950713B Small intelligent circuit breaker convenient for adjusting
10/03/2012CN101499591B Electric lever type leakage preventing socket
10/02/2012US8278782 Active parasite power circuit
10/02/2012US8278781 Discharger and discharger control method
09/2012
09/26/2012EP2502251A1 Switching unit for switching high dc voltages
09/26/2012CN101707165B Built-in A type intelligent circuit breaker with automatic closing function
09/19/2012CN102687229A Ground-fault circuit interrupter
09/19/2012CN102683131A Circuit breaker for optimizing space allocation
09/19/2012CN102683130A Circuit breaker capable of optimizing space distribution
09/19/2012CN101572364B Novel earth leakage protection socket
09/19/2012CN101552412B Novel electric leakage protecting socket
09/19/2012CN101483297B Electric power plug with leakage protection function
09/19/2012CN101399418B Novel leakage protection socket
09/18/2012US8269584 Incorrect-circuit deactivation device of magnetic GFCI outlet
09/13/2012WO2012119555A1 Circuit breaker for optimizing space allocation
09/12/2012CN202434448U Small-volume 1P+N electric-leakage circuit breaker
09/11/2012US8264306 Movable contactor assembly for current limiting type molded case circuit breaker
09/05/2012CN202423188U Electric leakage circuit breaker
09/05/2012CN202423187U Testing button with indicator lamp
09/05/2012CN202423186U Novel control and protection switch electrical appliance
09/05/2012CN202423185U Control and protecting switch electric appliance
09/05/2012CN202423173U Tripping mechanism of surge protector and surge protector
09/05/2012CN202423163U Modularization packaged structure
09/05/2012CN101689433B Electrical cut-off device having a complementary electrical function
09/05/2012CN101563819B Pluggable surge arrester
09/05/2012CN101291081B Data sampling and transmission module for power distribution system
08/2012
08/30/2012WO2012114185A1 Fail-safe ground fault circuit interrupter
08/30/2012US20120217928 Electric vehicle charging interface
08/30/2012CA2825459A1 Fail-safe ground fault circuit interrupter
08/29/2012EP2492946A2 Digital sensitivity control for electrical power leakage
08/29/2012EP2492945A1 Circuit breaker
08/28/2012CA2552088C Ground fault circuit interrupter (gfci) end-of-life (eol) status indicator
08/23/2012WO2012111936A2 Leaking current shut-off device for preventing malfunction due to a surge
08/23/2012WO2012110279A1 Electromechanical relay circuit
08/23/2012WO2012109684A1 Residual-current-operated circuit breaker
08/23/2012DE10211687B4 Überlast-und Leitungsbruch-Auslöseeinrichtung für einen Leitungsschutzschalter Overload and open-circuit tripping device for a circuit breaker
08/22/2012EP2490244A1 Ground-fault circuit interrupter
08/22/2012CN102646556A Under-voltage tripper
08/22/2012CN102646555A High voltage relief switch
08/22/2012CN102025086B Power plug with leakage protection function
08/22/2012CN101950895B Leakage protection socket with reverse wiring and end of life detection function
08/22/2012CN101656180B Electromagnetic short circuit protection breaker
08/22/2012CN101615539B Release sampling circuit
08/21/2012US8248192 Pulse activated magnetic trip/reset mechanism for a ground fault circuit interrupter
08/15/2012EP2486578A1 3 phase rcbo
08/15/2012CN102637559A Overvoltage and undervoltage tripper of small-sized breaker
08/15/2012CN101097817B Electric protection device controlled by an auxiliary control device
08/09/2012WO2012105913A1 Electromagnetic relay, in particular for interruption of an electric circuit in the cases of differential circuit, and a switch comprising such relay
08/08/2012EP2485237A1 Residual current protection switch
08/08/2012EP2345056B1 Electrical overcurrent relay having a rocker which is borne such that it can pivot
08/08/2012CN202373541U Electric leakage protection calibration device for explosion-proof switch
08/08/2012CN102629524A Anti-misoperation knife switch
08/02/2012WO2012100793A1 Switching unit for switching high dc voltages
08/02/2012WO2012056287A3 A protection relay for sensitive earth fault prtection
08/02/2012CA2785605A1 Switchgear unit for switching high dc voltages
08/01/2012EP2481066A1 Common structure for producing n-phase protection units, and neutrals
08/01/2012CN202363395U High-breaking residual current operated circuit breaker
08/01/2012CN202363388U Undervoltage tripping device used for breaker
08/01/2012CN102623267A Three-phase change-over-switch type leakage protector
07/2012
07/25/2012CN202352598U Self-attracting undervoltage release
07/25/2012CN102610457A Device of leakage breaker for combining leakage testing with leakage reset button
07/25/2012CN102610453A Series cut-out switches
07/25/2012CN102610452A Leakage circuit breaker
07/25/2012CN102610450A Socket-type grounded faulty line breaker
07/25/2012CN101661850B Protector for preventing interception over-voltage and arc reignition over-voltage of vacuum circuit breaker
07/20/2012CA2763517A1 Low profile electrical device assembly
07/20/2012CA2763516A1 Rocker contact switch for electrical device
07/18/2012CN202339892U Leakage circuit breaker with power interruption time delay function
07/18/2012CN101295610B Circuit breaker and SPD protection system employing the circuit breaker
07/17/2012US8222978 Incorrect-circuit deactivation device of magnetic GFCI outlet
07/11/2012CN202332758U 一种漏电脱扣器 One kind of leakage release
07/11/2012CN202332745U 具有欠压脱扣和分闸锁定功能的塑料外壳式断路器附件 Molded case circuit breaker with undervoltage trip attachment opening and locking function
07/11/2012CN102568967A Electric switching device
07/11/2012CN102568966A Back-up surge protection breaker
07/11/2012CN102568965A Combined type SPD (surge protection device) for OCP (over-current protection)
07/11/2012CN102568954A Residual current protection tripping mechanism and tripper
07/11/2012CN102568952A Intelligent operation device capable of closing and separating brake automatically according to front voltage and miniature circuit breaker of same
07/11/2012CN101770909B Back-up protection tripping device of electronic type molded case circuit breaker
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