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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05/29/2001 | US6239962 ARC fault circuit breaker |
05/23/2001 | CN2431667Y Multifunctional electric leakage circuit breaker |
05/23/2001 | CN2431641Y Split electric leakage breaker |
05/17/2001 | DE10032748A1 Device for activating/deactivating switching devices in block, has devices for removing supporting parts from supporting position actuated to connect switching devices via coupling |
05/16/2001 | EP1100104A1 Housing for electrical apparatus |
05/16/2001 | CN2430783Y Multifunction automatic protective electric switch |
05/16/2001 | CN2430781Y AC three phase full digit setting breaker |
05/15/2001 | US6232857 Arc fault circuit breaker |
05/15/2001 | US6232855 Circuit interrupter with covered accessory case, adjustable under voltage relay, self-retaining collar and one-piece rail attachment |
05/09/2001 | EP1098344A2 Shunt trip device for a molded case circuit breaker |
05/09/2001 | EP1098341A1 Housing for electrical apparatus |
05/09/2001 | EP1098332A2 Rapid current-limiting switch |
05/08/2001 | CA2325008A1 High-speed current-limiting switch |
05/01/2001 | US6225883 Circuit breaker with latch and toggle mechanism operating in perpendicular planes |
05/01/2001 | US6225881 Thermal magnetic circuit breaker |
04/25/2001 | CN2427915Y Single phase leakage protective device |
04/25/2001 | CN1065071C 电路断路器 Circuit breaker |
04/24/2001 | US6222713 Electrical protective equipment switch with overcurrent and undervoltage function and overcurrent sensor for it |
04/19/2001 | WO2001027960A1 Tripping slide device for a thermal overload relay or a motor protection switch |
04/19/2001 | WO2001027958A1 Reverse current relay |
04/19/2001 | WO2000036623A9 Circuit breaker with multiple test switch assembly |
04/19/2001 | DE19949530A1 Guide element for triggering slider in thermal overcurrent relay, comprises slider held by cover plate which is secured on housing of overcurrent relay |
04/19/2001 | DE19949229A1 Auslöseschieberanordnung für ein thermisches Überstromrelais oder einen Motorschutzschalter Release slide assembly for a thermal overload relay or a circuit breaker |
04/17/2001 | US6218921 Adjustable flux transfer shunt trip actuator and electric power switch incorporating same |
04/12/2001 | WO2000063935A3 Low voltage switchgear with bimetallic actuator |
04/11/2001 | CN1290949A Electromagnet breaker |
04/10/2001 | US6215378 Circuit breaker with dual function test button remote from test circuit |
04/04/2001 | CN2426209Y Push-buttom switch with leackage and short-circuit protection |
04/03/2001 | US6211758 Circuit breaker accessory gap control mechanism |
04/03/2001 | US6211757 Fast acting high force trip actuator |
03/27/2001 | US6208228 Circuit interrupter with improved trip bar assembly accomodating internal space constraints |
03/22/2001 | WO2001020634A2 Arc fault circuit breaker |
03/20/2001 | US6204747 Safety devices for electrical circuits and systems |
03/20/2001 | US6204612 Discharge device |
03/20/2001 | US6204449 Projections on face electrical receptacle for preventing inadvertent tripping of test switch by oversized electrical plug |
03/13/2001 | US6201460 Undervoltage release device for a molded case circuit breaker |
03/13/2001 | US6199264 Method of assembling a ground fault interrupter wiring device |
03/08/2001 | WO2001016988A1 Molded case circuit breaker with current flow indicating handle mechanism |
03/08/2001 | WO2001016984A1 Circuit breaker with two piece bell accessory lever with overtravel |
03/08/2001 | WO2001016983A1 Circuit interrupter with accessory trip interface and break-away access thereto |
03/08/2001 | CA2382854A1 Circuit breaker with two piece bell accessory lever with overtravel |
03/07/2001 | EP1081726A2 Multipole switching device |
03/06/2001 | US6198268 Dual-rated current transformer circuit having at least two input circuits |
03/01/2001 | WO2001015183A2 Circuit breaker with independent trip and reset lockout |
03/01/2001 | CA2382407A1 Circuit breaker with independent trip and reset lockout |
02/28/2001 | EP1078384A1 Contact mechanism for electronic overload relays |
02/28/2001 | EP1078383A1 Contact mechanism for electronic overload relays |
02/27/2001 | US6194983 Molded case circuit breaker with current flow indicating handle mechanism |
02/22/2001 | DE19959716A1 Capacitor discharge device for current supply system has discharge circuit providing discharge path for capacitive charge activated when current supply system is disconnected |
02/21/2001 | CN1284728A Method for fitting zero phase sequence converter in leakage circuit breaker |
02/20/2001 | US6190465 Soft magnetic alloy of the Fe-Ni-Cr-Ti type for a magnetic circuit of a high-sensitivity relay |
02/13/2001 | US6188302 Circuit breaker with two piece bell accessory lever with overtravel |
02/07/2001 | CN2418573Y Touch-type switch |
02/07/2001 | CN1061773C 漏电断路器 Leakage circuit breakers |
02/01/2001 | DE19936056A1 Fehlerstromgeschützte Steckvorrichtung Fault current protected plug device |
01/31/2001 | EP1073161A2 Plug with differential current protection |
01/24/2001 | CN1281583A Switchgear unit with leading auxiliary switch |
01/24/2001 | CN1281582A Switchgear unit consisting of switching device and coupled leading auxiliary switch |
01/18/2001 | DE19933166A1 Activating and deactivating device for mains protective switches arranged in block, has device for removing support parts from members which transfer closing force for switching contacts |
01/17/2001 | EP1069586A2 Tripping mechanism for automatic switches |
01/17/2001 | EP1069585A2 Electromagnetic switch mechanism with manual reset device |
01/17/2001 | CN1060880C Regulating method for heat overload discharger |
01/16/2001 | US6175289 Electronic trip device with a removable voltage switch module |
01/09/2001 | US6172584 Circuit breaker accessory reset system |
01/04/2001 | WO2001001536A1 Arc fault circuit breaker |
01/04/2001 | WO2001001426A1 Dual-rated current transformer circuit |
01/03/2001 | CN2413418Y Push-button overload current protector |
12/28/2000 | DE19911128C1 Electromechanical battery disconnection switch for automobile has fixed contact provided by one lead cooperating with movable contact carried by contact spring attached to other lead held closed by releasable catch |
12/28/2000 | DE10026813A1 Electromagnetic trip release kicked-out under fault current conditions, with simple construction enhancing reliability and automated assembly, has defined flux paths in each of two positions |
12/27/2000 | EP1063666A2 Electromagnetic trip device |
12/19/2000 | US6163444 Circuit breaker |
12/13/2000 | EP1059654A2 Thermal circuit breaker switch |
12/13/2000 | EP1059653A2 Thermal circuit breaker switch |
12/13/2000 | CN2410731Y Safety power supply controller |
12/13/2000 | CN1276640A Electronic trip unit with user-adjustable current spike sensitivity |
12/13/2000 | CN1276617A Thermal loop breaker switch |
12/13/2000 | CN1276616A Thermal loop breaker switch |
12/07/2000 | WO2000074192A1 Fail safe fault interrupter |
12/06/2000 | EP1058365A2 Electronic trip unit with user-adjustable sensitivity to current spikes |
12/06/2000 | CN1275786A Heat overload tripping device for circuit breaker |
12/05/2000 | US6157096 Neutral switched shunt trip emergency gas panel |
11/30/2000 | WO2000072349A1 Protection relay and protected control set with front wiring |
11/29/2000 | EP1055244A1 Circuit breaker with multiple test switch assembly |
11/28/2000 | US6154116 Thermal circuit breaker switch |
11/23/2000 | WO2000070636A1 Housing for electrical apparatus |
11/23/2000 | WO2000070635A1 Housing for electrical apparatus |
11/22/2000 | EP1054426A1 Modular auxiliary electrical device particularly of the shunt-trip type |
11/22/2000 | EP1054425A1 Modular auxiliary electrical device, particularly for minimum operating voltage control |
11/22/2000 | EP1053557A1 Remote controllable circuit breakers with positive temperature coefficient resistivity (ptc) elements |
11/22/2000 | CN2407491Y Large capacity high speed switch |
11/09/2000 | WO2000067280A1 Couplable circuit breaker |
11/09/2000 | WO2000067279A1 Undervoltage release |
11/02/2000 | DE19919421A1 Koppelbare Schutzschalteinrichtung Linkable protection switching device |
11/02/2000 | DE19919331A1 Unterspannungsauslöser Undervoltage release |
11/01/2000 | CN1058102C Aarm and/or protector for procedure parameter |
10/31/2000 | US6141197 Smart residential circuit breaker |
10/26/2000 | WO2000064022A1 Active material low power electrical switching mechanism and drive circuit therefor |
10/26/2000 | WO2000063939A1 Integrated electrically actuated mechanical release mechanism |
10/26/2000 | WO2000063935A2 Low voltage switchgear with bimetallic actuator |
10/24/2000 | US6137385 Circuit breaker with side wall opening for a separate auxiliary device actuation lever |