Patents
Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450)
01/2003
01/22/2003CN1392577A Self protective distribution transformer when secondary coil short circuit, break tripping
01/22/2003CN1099746C Pullout electrical switch equipment and initializing method and operation method
01/21/2003US6509817 Multipolar circuit breaker
01/16/2003WO2003005395A1 Adjusting device for a thermal trip
01/16/2003WO2001065584A9 Circuit interrupter operating mechanism
01/15/2003CN2531521Y Auxiliary contact of circuit breaker
01/15/2003CN2531520Y Locking device for leakage circuit breaker
01/15/2003CN1391700A Improved low-voltage power circuit breaker
01/14/2003US6507256 Auxiliary magnetic trip system
01/14/2003US6507255 Remotely controllable circuit breaker
01/09/2003US20030007302 Fast acting, re-settable circuit breaker without moving parts
01/08/2003EP1274109A1 Circuit breaker and it's opperating mechanism
01/08/2003EP1273022A1 Low-voltage circuit breaker comprising a data memory
01/08/2003EP1273021A1 Terminal
01/08/2003CN2530346Y Release link in heat overload relay
01/08/2003CN2530345Y Spring executor of breaker
01/08/2003CN2530344Y Ground leakage breaker
01/08/2003CN1389887A Operating mechanism for small single phase line and netral line breaker
01/08/2003CN1389886A Joint structure between side plate and cover plate of breaker operating mechanism
01/07/2003US6504698 Standard control device of a circuit breaker opening or closing electromagnet
01/07/2003US6504695 Combination current sensor and relay
01/07/2003US6504460 Actuator mechanism for an external circuit breaker operating device
01/03/2003WO2003001545A2 Circuit breaker
01/02/2003US20030001702 Multi-pole low voltage circuit breaker with one current measuring device per line
01/02/2003EP1269597A1 Switching method for an electromagnetic switching device and an electromagnetic switching device corresponding thereto
01/02/2003DE10144588C1 Switch lock lever shaft fixing method uses pressure tool for deforming edge of lever bore after insertion of stepped diameter shaft
01/01/2003CN2529376Y Electromagnetic leakage switch
01/01/2003CN2529375Y Double-pole leakage circuit breaker
01/01/2003CN1388550A Electromagnetic tripping apparatus in circuit breaker
01/01/2003CN1388548A Release device of protective switch and protective switch system
01/01/2003CN1388545A Additional terminal block of circuit breaker
01/01/2003CN1388544A Dustproof structure of circuit breaker
01/01/2003CN1388543A 断路器 Breaker
12/2002
12/31/2002US6501039 Remote trip mechanism of a switch device
12/26/2002US20020196109 Circuit interrupting device with reverse wiring protection
12/26/2002US20020196108 Circuit breaker
12/25/2002CN2528127Y Display device mounted on earth leakage protective plug or leakage breaker
12/25/2002CN2528098Y Tripping mechanism for earth leakage protective plug
12/25/2002CN2528097Y Earth leakage protective plug
12/25/2002CN1387671A Electric safety switch device
12/25/2002CN1387670A Electric safety switch device
12/25/2002CN1387669A Electric safety switch device
12/25/2002CN1387212A Circuit breaker with shunt
12/25/2002CN1387210A 电磁继电器 Electromagnetic relays
12/25/2002CN1097277C Defferential electric protective device
12/25/2002CN1097274C Electric applianc with suddenly cut-off function
12/24/2002US6498310 Reverse alarm switch circuit breaker
12/19/2002WO2002101902A2 Low-voltage circuit-breaker with an electronic overload trip and trip magnets
12/19/2002US20020191363 Electrical circuit-breaker with an information memory
12/19/2002US20020190030 Multi-pole circuit breaker with parallel current
12/19/2002DE10126854A1 Magnetic yoke for electromagnetic trip of switching device has magnetic core cooperating with trip coil formed in one piece with base body of magnetic yoke
12/19/2002DE10126851C1 Switching device with electromagnetic release having components supported by bearings provided by parts of housing of switching device
12/18/2002EP1267449A2 Ring tongue lug retainer molded case circuit breaker
12/18/2002EP1267375A1 Multi-pole circuit breaker with parallel current paths
12/18/2002EP1267368A1 Distribution transformer self-protected by a circuit breaker triggering on secondary short-cut
12/18/2002EP1266388A1 Selective tripping device for a circuit breaker
12/18/2002EP1266387A1 Release device for a power circuit breaker
12/17/2002US6496378 Housing suitable for interconnection to a junction box and a duplex housing
12/17/2002US6495781 Handle position indicator
12/12/2002WO2002099830A1 Switchgear comprising an electromagnetic tripping device
12/12/2002WO2002099829A1 Magnet yoke of an electromagnetic tripping device
12/12/2002WO2002099828A1 Release armature in an electromagnetic release device
12/12/2002WO2002099826A1 Electrical circuit interrupting device
12/12/2002DE10133702C1 Switching device for interrupting/connecting magnetic flux in a magnetic circuit slides two magnetic contact makers against each other each having a surface structure with recesses on surfaces opposite each other
12/12/2002DE10126852A1 Switching device with electromagnetic trigger has movable contact part that interacts with magnetic element whose magnetic field interacts with triggering coil magnetic field
12/12/2002DE10126849A1 Trigger armature for electromagnetic trigger for switching device has base body of ferromagnetic material in the form of flexible compressed, pressed or stamped part
12/12/2002DE10124985A1 Auslösevorrichtung eines Schutzschalters und Schutzschaltersystem Release mechanism of a circuit breaker and circuit breaker system
12/11/2002EP1265262A1 Switch with thermal circuit breaker
12/11/2002EP1157400B1 Magnetic trigger, especially for a circuit breaker, and circuit breaker having such a magnetic trigger
12/11/2002EP1110229B9 Electric installation device with shape-retaining axial support
12/11/2002CN2525672Y Magnetic control safety unit
12/11/2002CN2525671Y Current protective switch structure
12/11/2002CN2525667Y Overload protective switch
12/11/2002CN1384519A Undervoltage breaker unit with fast auxiliary switch for breaker
12/11/2002CN1384518A 断路器 Breaker
12/11/2002CN1384517A 断路器 Breaker
12/11/2002CN1384516A 断路器 Breaker
12/10/2002US6492888 Power circuit breaker with an actuating shaft
12/10/2002US6492607 Rapid closure mechanism for electrical contacts
12/10/2002CA2080063C Multipole circuit breaker with single-pole units
12/05/2002US20020179571 Electrical circuit interrupting device
12/05/2002DE10124353A1 Switch mechanism for protective switch has locking device and release lever integrated into switch handle
12/05/2002DE10120573A1 Release relay for circuit breaker has pressure spring which acts against force of permanent magnet upon magnetic armature
12/04/2002EP1263012A2 Circuit breaker
12/04/2002CN2524362Y Electromagnetic releaser
12/04/2002CN2524361Y Circuit breaker with plastic casing
12/04/2002CN2524360Y Leakage circuit breaker with plastic casing
12/03/2002US6490150 Method of electrically grounding a circuit breaker and circuit breaker panel employing a grounding member
12/03/2002US6489867 Separating pins for the shunt wires of a circuit breaker
12/03/2002US6489577 Electrically operating apparatus for circuit breaker
11/2002
11/28/2002US20020175786 Circuit breaker
11/28/2002US20020175785 Molded case circuit breaker
11/27/2002EP1261010A1 Auxiliary device for a magnetothermal circuit breaker
11/27/2002EP1261009A2 Circuit breaker tripping device and circuit breaker system
11/27/2002EP1261008A1 Enclosed magnetothermal electric circuit breaker
11/27/2002EP1261007A1 Safety release device for removable circuit breakers
11/27/2002EP1261006A2 Circuit breaker with shunt
11/27/2002EP1261005A1 Mechanism for an enclosed residual current-operated circuit breaker
11/27/2002EP1261004A1 Connection device for a residual-current module
11/27/2002EP1260999A1 Device for connecting conductors to electrical units such as circuit breakers and the like