Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › H01H 71 - Details of the protective switches or relays covered by groups
Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450)
08/2003
08/20/2003EP1336186A1 Drive train for a displaceable contact on an electrical power breaker
08/20/2003EP1336185A1 Electrical breaker device for current leakage, current overload and short-circuit protection
08/20/2003EP1090404B1 Multi-pole low voltage circuit breaker with high electrodynamic strength, whereby the shaft of the poles is arranged within the pole container compartment
08/20/2003CN1437754A Connector rail made of profiled semifinished products for electrical devices and appliances for various nominal currents
08/20/2003CN1118840C Combined lead wire and inter spacer for power switches
08/14/2003US20030151478 Protection device with lockout test
08/12/2003US6606239 Circuit breaker
08/12/2003US6606229 Handle operating mechanism in circuit breaker
08/12/2003CA2122296C Circuit breaker housing
08/12/2003CA2059936C Molded case circuit breaker field-installable accessories
08/07/2003WO2003065398A1 Electrical switching device
08/07/2003WO2001016987A9 Circuit interrupter with cradle having an improved pivot pin connnection
08/07/2003US20030148658 Circuit breaker jumper assembly with cover assembly access knockouts
08/07/2003US20030148657 Circuit breaker jumper assembly with snap-fit bus mounting
08/06/2003EP1332507A1 Circuit interrupter with thermal trip adjustability
08/06/2003EP1185997B1 Circuit breaker for three-phase networks
08/06/2003EP0897605B1 Modular circuit breaker interconnection system
08/06/2003CN2565139Y Automatic switching-on device for leakage circuit breaker
08/06/2003CN2565138Y Disconnecting release for electrical apparatus
08/06/2003CN2565137Y Handle shifting device for plastic case circuit breaker
08/06/2003CN2565136Y Light display auto-restoring circuit breaker
08/06/2003CN1434471A Electric switch unit with mechanical driving controller and operation method thereof
08/05/2003US6603648 Circuit breaker having an electronic tripping unit and parameterization locking
08/05/2003US6603381 Primary conductor for a transformer
08/05/2003CA2310444C Common trip bar and trip levers for electric circuit breaker
08/05/2003CA2085671C Handle connector for multi-pole circuit breaker
08/04/2003CA2418446A1 Circuit breaker jumper assembly with cover assembly access knockouts
08/04/2003CA2418426A1 Circuit breaker jumper assembly with snap-fit bus mounting
08/04/2003CA2418355A1 Circuit breaker jumper assembly with a snap-fit cover assembly
07/2003
07/30/2003EP1331711A2 Electricity supply assembly
07/30/2003EP1331658A1 Electrical switch apparatus with a motorised control and controlprocess of such an apparatus
07/30/2003EP1226598B1 Electric protective switching device
07/30/2003CN2563744Y Adjustable tripping device for breaker rated current
07/29/2003US6600640 Electromagnetic relay
07/29/2003US6600396 Signal accessory for a molded case circuit breaker
07/29/2003US6600116 Switch mounting structure
07/24/2003US20030137373 Electrical switchgear unit equipped with a motorized control and process for operating such a switchgear unit
07/24/2003US20030136657 Terminal
07/23/2003EP1329923A2 Circuit breaker with simplified structure
07/23/2003EP1329733A2 Arcing fault detection system
07/23/2003EP1328956A1 Current limiting low-voltage power circuit breaker
07/23/2003EP1328955A1 Low-voltage power breaker with a rating plug
07/23/2003CN2562348Y Minimum voltage releaser of circuit breaker
07/23/2003CN2562345Y Double safety switch structure
07/23/2003CN2562344Y Operational mechanism of leakage circuit breaker
07/23/2003CN2562343Y Connection structure between side plate and blind-flange of circuit breaker operational mechanism
07/23/2003CN2562333Y 安全开关结构 Safety switch structure
07/23/2003CN1431674A Actions of device for overcurrent and overvoltage protection as well as recovery device
07/22/2003US6597266 External actuator interlock mechanism for circuit breaker
07/17/2003WO2003058788A1 Miniaturized motor overload protector
07/17/2003US20030134544 Electrical connection element
07/17/2003US20030132753 Circuit breaker with integral testing unit
07/16/2003CN2561086Y Outdoor high-tension injection drop-off fuse
07/16/2003CN1430236A Equipment for motor protecting and controlling
07/16/2003CN1430234A Circuit breaker remote-controller
07/16/2003CN1114974C Device for assembly and electrical connection of modular apparatus such as circuit breakers or similar
07/15/2003US6591482 Assembly methods for miniature circuit breakers with electronics
07/10/2003WO2003056594A1 Circuit breakers with integrated current and/or voltage sensors
07/10/2003US20030128035 Fault locator and selectivity sensor
07/09/2003CN2560124Y Leakage protection socket
07/09/2003CN2560090Y Three-phase magnetic-keeping relay
07/09/2003CN1429396A Circuit breaker thermal-magnetic automatic trip unit
07/08/2003US6590489 Circuit breaker for protecting electric circuits in road vehicles
07/08/2003US6590482 Circuit breaker mechanism tripping cam
07/08/2003US6590481 Fast acting, electrically powered operator for transfer switch and transfer switch incorporating same
07/08/2003US6589071 Circuit breaker jumper assembly with a snap-fit cover assembly
07/03/2003WO2003054898A1 Electromagnetic relay for low-voltage circuit breaker
07/03/2003US20030123209 Remote controller of circuit breaker
07/03/2003US20030123202 Apparatus for motor protection and control
07/02/2003EP1324365A1 Electromagnetic trip device
07/02/2003CN2559092Y 熔断器装置 Fusegear
07/02/2003CN2559091Y Integrated tripper of automatic air-blast circuit breaker
07/02/2003CN1427436A Trip device with testing circuit for electric leakage to land
07/02/2003CN1427435A Trip relay
07/02/2003CN1427434A Structure of auxiliary cover for mounting circuit beaker
07/01/2003US6586693 Self compensating latch arrangement
06/2003
06/26/2003WO2003052784A1 Current-limiting low-voltage circuit breaker
06/26/2003US20030119355 Umbilical cable assembly
06/26/2003US20030117246 Power switch with a double breaking contact arrangement
06/26/2003DE20220326U1 Electric power switch has latching device comprising sprung latching blade and opening for receiving catch, for connecting secondary part of current transformer to power switch
06/25/2003EP1221171B1 Reverse current relay
06/25/2003EP1173865B1 Circuit breaker
06/25/2003CN2558072Y Overvoltage fuse
06/25/2003CN2558071Y Overcurrent and overvoltage protector
06/25/2003CN2558070Y Low-voltage small size plastic shell residual current acted circuit breaker
06/25/2003CN1426592A 断路器 Breaker
06/19/2003WO2003050835A1 Electric pole for a low-voltage power circuit breaker, and associated circuit breaker
06/19/2003US20030112104 Pressure sensitive trip mechanism for a rotary breaker
06/19/2003US20030110620 Arc fault circuit breaker
06/18/2003EP1320164A1 Differential trip device with a test circuit
06/18/2003CN2556780Y 40.5 KV outdoor high-pressure spray drop-off fuse
06/18/2003CN1111888C Molded case circuit breaker and moving conductor assembly therefor
06/18/2003CN1111887C Circuit breaker with moulded casing
06/12/2003US20030107854 Circuit breaker with single test button mechanism
06/12/2003US20030106876 Connector rail made of profiled semfinished products for electrical devices and appliances for various nominal currrents
06/12/2003US20030106785 Connecting bars for electrical devices and apparatus for different nominal currents having a cavity
06/12/2003DE10152347C1 Schaltgerät mit adaptiertem mehrphasigem Sammelschienensystem Switching device with adapted multi-phase busbar system
06/11/2003EP1318537A1 Set of electrical units for controlling power units
06/11/2003EP1318529A2 Surface hardened soft magnetic actuator part and fabrication process
06/11/2003EP1317761A1 Overload protection unit
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