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