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) |
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03/13/2012 | US8134428 Circuit breaker with electronic sensing and de-latch activation |
03/13/2012 | CA2434294C Electrical switching apparatus including glowing contact protection |
03/08/2012 | US20120056698 Current sensing load demand apparatus and methods |
03/08/2012 | US20120056697 Incorrect-circuit deactivation device of magnetic gfci outlet |
03/08/2012 | US20120056495 Current sensing load demand apparatus and methods |
03/08/2012 | US20120056494 Current sensing load demand apparatus and methods |
03/08/2012 | US20120056492 Current sensing load demand apparatus and methods |
03/07/2012 | EP2426691A1 Mechanical override device |
03/06/2012 | US8130480 Circuit interrupting device with reset lockout |
03/01/2012 | WO2012025803A1 Electrical operating mechanism for molded case circuit breaker using two plungers |
03/01/2012 | WO2011001190A3 Current passage indicator |
02/23/2012 | WO2012021909A1 Switching device |
02/23/2012 | WO2010076403A8 Remote control device and remote-controlled circuit breaker including such a device |
02/22/2012 | CN202150369U 墙壁开关 Wall Switch |
02/15/2012 | EP2417615A1 Remote de-energizing of an installation switching device |
02/15/2012 | CN102354638A Dual-power automatic transfer switch and overload and short-circuit protection method thereof |
02/14/2012 | USRE43177 Apparatus and method for preventing an electrical backfeed |
02/14/2012 | US8116919 Circuit breaker configuration |
02/09/2012 | US20120032762 High voltage direct current circuit breaker arrangement and method |
02/09/2012 | DE19741173B4 Selbstschalter Auto Switch |
02/09/2012 | DE102009016737B4 Auslöseeinheit zum Anbau an ein Installationsschaltgerät sowie Anordnung bestehend aus einem Installationsschaltgerät und einer daran angereihten Auslöseeinheit Trip unit for mounting on a service switching device and arrangement consisting of a service switching device and bayed it trip unit |
02/09/2012 | DE102009016736B4 Auslöseeinheit zum Anbau an ein Installationsgerät sowie Anordnung bestehend aus einem Installationsgerät und einer daran angereihten Auslöseeinheit Trip unit for mounting on a device installation and configuration consisting of an installation device and bayed mind trip unit |
02/08/2012 | CN202142482U 漏电脱扣机构 Leakage tripping mechanism |
02/08/2012 | CN202142436U 开关柜过压保护机构 Switchgear overvoltage protection agency |
02/01/2012 | CN202134480U 户外智能断路器 Outdoor Intelligent Circuit Breaker |
02/01/2012 | CN101789584B 突变量采样值差动保护方法和差动继电器 Mutation sampled value differential protection method and differential relay |
02/01/2012 | CN101540249B 漏电断路器 Leakage circuit breakers |
01/26/2012 | WO2012010672A1 Electric switching device |
01/26/2012 | DE102010032031A1 Low voltage power switch for electrical switchgear, has armature that is wound around aperture of iron core for conduction of test current which corresponds to differential current based on output of magnetic sensor of transformer |
01/25/2012 | EP2410554A1 Electric Switching Device |
01/25/2012 | EP2409311A1 Device for overvoltage protection |
01/25/2012 | CN102332370A Small-sized earth leakage circuit breaker |
01/24/2012 | US8102226 Protection device with a sandwiched cantilever breaker mechanism |
01/19/2012 | WO2012008088A1 Leakage breaker |
01/17/2012 | US8097985 Current sensing load demand apparatus and methods |
01/12/2012 | DE102010036327A1 Device for performing secure shutdown of power supply from solar cell of solar module, has separating device that is arranged in close proximity of connection pole for disconnecting connection pole from power supply of solar cell |
01/11/2012 | EP2153453B1 An electric motor |
01/11/2012 | CN202111032U Under-voltage release and shunt release |
01/11/2012 | CN202111031U Electronic type circuit breaker for solar battery pack string |
01/11/2012 | CN101222100B Creepage protecting socket with life end checking function |
01/10/2012 | US8093965 Add-on trip module for multi-pole circuit breaker |
01/10/2012 | US8093964 Add-on trip module for multi-pole circuit breaker |
01/10/2012 | US8093763 System and method for limiting current oscillation |
01/05/2012 | DE102010037714B3 Not-Aus-Modul-Anordnung Emergency-module structure |
01/04/2012 | EP2402971A1 Medium- or high-voltage electrical device including an insulating enclosure |
01/04/2012 | CN202102998U Circuit breaker with optimized space distribution |
01/04/2012 | CN202102997U Intelligent circuit breaker for solar cell module string |
01/04/2012 | CN101477927B Electricity exception protection circuit applied to circuit breaker |
01/03/2012 | US8089738 GFCI that cannot be reset until wired correctly on line side and power is applied |
12/28/2011 | CN202094062U 具有反时限保护特性的漏电控制器 Leakage control with inverse time protection features |
12/28/2011 | CN202094058U 断路器的欠压保护装置 Undervoltage protection circuit breaker |
12/28/2011 | CN101453114B 漏电继电器 Leakage relay |
12/27/2011 | US8084892 Power supply device and method |
12/27/2011 | US8084891 Method and apparatus for optimizing synchronous switching operations in power systems |
12/27/2011 | US8084890 Apparatus and method for fire protection of electrical installations |
12/21/2011 | EP2398034A1 Auxiliary trip device for a breaker block |
12/21/2011 | CN202084495U 漏电断路器的简便型控制电路装置 Simple type control circuit device leakage circuit breakers |
12/21/2011 | CN102290292A 剩余电流保护断路器 Residual current circuit breakers |
12/20/2011 | US8080905 Control system |
12/20/2011 | CA2515054C Gfci receptacle having blocking means |
12/14/2011 | EP2394287A2 Residual current switching device |
12/14/2011 | CN202076778U 电机保护用智能交流接触器系统 Motor protection system with intelligent AC contactor |
12/14/2011 | CN202076202U Over/under-voltage protective device of miniature breaker |
12/14/2011 | CN102280325A 分界负荷开关 Boundaries load switch |
12/14/2011 | CN101345375B 漏电保护插座 Leakage protection socket |
12/14/2011 | CN101170026B 剩余电流动作断路器 RCBO |
12/08/2011 | WO2011151668A1 Method of overvoltage protection of direct-current electrical circuits with currents even in tens of amperes, especially of photovoltaic sources of electric current, and a device for overvoltage protection of direct-current electrical circuits with currents even in tens of amperes, especially of photovoltaic sources of electric current |
12/07/2011 | EP2393088A1 Method and device for overvoltage protection of direct-current electrical circuits with currents even in tens of amperes, especially of photovoltaic sources of electric current |
12/07/2011 | CN202067738U 具有翘板结构的插座式接地故障线路断路器 Socket with a ground fault circuit breaker rocker structure |
12/07/2011 | CN101477926B A型漏电断路器 A type leakage circuit breaker |
12/06/2011 | US8072718 Protective device |
12/01/2011 | WO2011148749A1 Electrical leakage detection apparatus with unexpected motion blocking function |
11/29/2011 | US8068937 Power distribution system with fault protection using energy packet confirmation |
11/29/2011 | CA2427366C Reset lockout and trip for circuit interrupting device |
11/24/2011 | DE102010021068A1 Circuit breaker for wiring system, has electrical arc detection unit connected with trip coil for opening switching contact for neutral line when electrical arc is detected at predetermined criterion |
11/23/2011 | CN101699683B Undervoltage release |
11/23/2011 | CN101183627B Earth leakage circuit breaker |
11/22/2011 | CA2636175C Incoming current suppression device |
11/17/2011 | US20110279933 Circuit interrupting device with reset lockout |
11/16/2011 | CN102243957A Moulded case circuit breaker with residual current protection |
11/16/2011 | CN102243956A Protective switch of motor |
11/16/2011 | CN102243955A Line terminal load control device |
11/16/2011 | CN102243946A High-disjunction residual current operation circuit breaker |
11/16/2011 | CN101206976B 电路断开器 Circuit disconnect |
11/16/2011 | CN101140840B Circuit breaker |
11/15/2011 | US8058750 Discharge cycle communication |
11/09/2011 | CN202034327U Intelligent circuit breaker for 0.4kV below distribution automatic system |
11/09/2011 | CN202034326U Anti-misoperation breaker for distribution automatic system below 0.4kV |
11/09/2011 | CN102237228A Over-voltage/under-voltage protection device of miniature circuit breaker |
11/08/2011 | US8054595 Circuit interrupting device with reset lockout |
11/03/2011 | US20110266890 Single-Channel Safety Output |
11/02/2011 | EP2020014B1 Switching device |
11/02/2011 | EP1108260B1 Dual-rated current transformer circuit |
11/02/2011 | CN102232236A Circuit breaker |
11/01/2011 | US8049584 Switching device |
11/01/2011 | CA2512182C Circuit interrupting device with single throw, double mode button for test-reset function |
10/26/2011 | CN202018931U Miniature circuit breaker with under-voltage and over-voltage protection |
10/26/2011 | CN101427339B Switching device |
10/25/2011 | USRE42866 Ground fault circuit interrupter with enhanced radio frequency interference suppression |
10/25/2011 | CA2466574C Gfci that cannot be reset until wired correctly on line side and power is applied |