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)
07/1998
07/22/1998EP0854490A2 Locking device for an electrical switch
07/22/1998EP0854489A1 Electromagnetic switching apparatus
07/21/1998US5784243 Industrial-rated circuit breaker for high level overcurrent protection
07/21/1998US5783987 Pyrotechnic high-current safety fuse element
07/15/1998CN2286347Y Plastic shell type breaker with high performance for button control
07/15/1998CN1187681A Separable circuit breaker
07/09/1998CA2246599A1 Method of calibrating the trip point of an overload relay
07/08/1998EP0795187B1 Lock mechanisme for a low voltage switch
07/08/1998CN2285932Y Safety unit for distribution frame
07/08/1998CN2285931Y Safety unit for distribution frame
07/07/1998US5777536 Sealed electric switch assembly
07/07/1998US5777286 Electric device having separable contacts with arc switching
07/02/1998WO1998028765A1 Knob connection for a multipolar switching device
07/01/1998EP0851450A2 Fault current circuit breaker
07/01/1998EP0851449A1 Switchgear for an electric installation
07/01/1998EP0764337B1 Drive arrangement for vacuum power circuit breakers, in particular in a tri-polar configuration
07/01/1998CN1186320A Electrical circuit breaker with safety shield
06/1998
06/30/1998US5774320 Modular current transformer for electronic circuit interrupters
06/30/1998US5774031 Low-voltage power switch with relative auxiliary switch
06/30/1998US5773778 Modular isolation block for circuit breaker contact arms
06/30/1998US5772479 Circuit breaker with terminal nut retainer
06/25/1998WO1998027633A1 Ground fault-rating plug for molded case circuit breakers
06/25/1998DE19713659C1 Vertical structure electromagnetic relay
06/24/1998EP0849763A2 Overcurrent trip device for an electric circuit breaker
06/24/1998EP0849762A2 Electric installation switch
06/24/1998EP0849761A2 Overcurrent and short circuit trip device for an electric circuit breaker
06/24/1998EP0849760A2 Mechanical coupling for operating levers of a multiphase interrrupting device
06/24/1998EP0849759A1 Switchgear for an electric installation
06/24/1998EP0849758A2 Installation switch
06/24/1998EP0849757A2 Housing for an electrical installation device, in particular for a fault-current protective switch or a circuit breaker or the like
06/24/1998EP0849756A2 Method for making a circuit breaker and circuit breaker
06/24/1998EP0849748A2 Electrical installation switch
06/24/1998CN2285003Y Hand-operated and leakage external control switch structure
06/24/1998CN2285002Y Hand-operated switch with external control structure
06/24/1998CN2285001Y Combined pole vacuum circuit breaker
06/24/1998CN1185643A Low-voltage circuit breaker
06/19/1998CA2225079A1 Thermal sensing bi-metal trip actuator for a circuit breaker
06/19/1998CA2225010A1 Circuit breaker combination thermal and magnetic trip actuator
06/19/1998CA2225009A1 Circuit breaker with improved trip mechanism
06/17/1998EP0848404A1 Selective tripping block for multipole circuit breaker
06/17/1998EP0848403A2 Automatic thermo-magnetic switch for domestic and similar applications
06/17/1998EP0847587A1 Power circuit-breaker with current transformers and data store
06/17/1998CN1185015A Automatic thermo-magnetic switch for domestic and similar applications
06/17/1998CN1185014A Selective trip unit for multipole circuit breaker
06/16/1998US5767762 Overcurrent relay having a bimetal a resetting member and an accelerating mechanism
06/10/1998EP0847070A2 Over current circuit breaker, particularly motor circuit breaker
06/10/1998CN2283921Y Safety electric commuatator
06/10/1998CN1184552A 电路断路器 Circuit breaker
06/09/1998US5762182 Circuit interrupter
06/09/1998US5762181 Means to control the operating cycle of an electric motor operator for high ampere-rated circuit breakers
06/09/1998US5762180 Retrofit switch actuator
06/04/1998WO1998024162A1 Overcurrent protection systems
06/04/1998DE19649700A1 Memory element drive device for working current or over-voltage release
06/03/1998EP0546166B1 Remote control circuit breaker
06/03/1998CN2283308Y Multi-purpose single phase protector
06/02/1998US5760672 Safety switch built-in with protecting circuit
05/1998
05/28/1998DE19703975C1 Switching device e.g. for circuit breaker
05/27/1998CN2282730Y 熔断器 Fuses
05/27/1998CN1182968A Breaker with breaker unit and processing, calibration and communication module
05/26/1998US5757602 Overcurrent protective switch, specifically a motor protective switch
05/26/1998US5757261 Temperature controller having a Bimetallic element and plural heating components
05/26/1998US5757254 Earth leakage breaker
05/20/1998EP0843332A1 Circuit breaker having a breaker block and modules for processing, calibration and indication
05/20/1998EP0842525A1 Single-pole circuit breaker
05/20/1998EP0777907B1 Electromechanical switching device and arrangement with several such devices
05/20/1998DE19703973C1 Switching device with under-voltage auxiliary trip e.g. for circuit breaker
05/20/1998CN2282269Y Fixed temperature reset R type pressure type temperature controller
05/20/1998CN2282268Y Closing tripping device for leak-proof plug and socket
05/20/1998CN2282267Y Flame-proof type breaker
05/19/1998US5754113 Circuit monitor for plural electrical switching apparatus
05/14/1998DE19703977C1 Rapid switching circuit breaker e.g. for motor protection
05/14/1998DE19703972C1 Latching/breaker mechanism e.g. for circuit-breaker
05/13/1998EP0841675A1 Adjustable electromagnetic trip device and circuit breaker with such a trip device
05/13/1998EP0841670A1 Current transformer, trip device and circuit breaker comprising such a transformer
05/13/1998EP0841669A1 Electromagnetic differential current trip device
05/06/1998EP0840343A1 Control unit for an electric switch and method for the manufacture thereof
05/06/1998CN1180911A Plug-in lock mechanism
04/1998
04/29/1998EP0838830A1 Electromagnetic trip with amorphous carbon film and his method of manufacturing
04/29/1998EP0838079A1 Circuit breaker with terminal nut retainer
04/29/1998EP0691031B1 Double break circuit breaker having improved secondary section
04/28/1998US5745338 Device for assembly and electrical connection of modular apparatuses such as circuit breakers or similar
04/28/1998US5745022 Bimetallic temperature controller having a resistor for self-locking function and a resistor for excess current protection
04/28/1998US5744768 For securing a circuit breaker to a module
04/28/1998US5743385 Drive device with a locking device to prevent switch shaft rebound
04/23/1998DE19713857C1 Starter combination e.g. for remote control switching of electric motors
04/23/1998DE19703959C1 Switching device e.g. circuit breaker or contactor
04/22/1998EP0836743A1 Circuit breaker accessory module actuators
04/21/1998US5742219 Switchable circuit breaker
04/15/1998CN2278993Y High voltage combined drop-down fuse
04/08/1998EP0834975A1 Electrical distribution terminal with hybrid limiter block
04/08/1998EP0834895A1 An electromagnetic trip for an electrical apparatus for protection
04/08/1998CN1178385A Method and device for regulating hot overload circuit breaker
04/07/1998US5737161 Overcurrent protection device and arrangement
04/01/1998EP0833357A2 Method for adjusting thermal overload trip device
03/1998
03/31/1998US5734207 Voltage polarity memory system and fuse-switch assembly usable therewith
03/26/1998DE19741173A1 Automatic switch e.g. for LV power distribution circuits
03/26/1998DE19639408A1 Bus contact connection for data processing input
03/26/1998DE19639400A1 Current rail system for installation device
03/25/1998EP0831510A1 Bimetallic thermal triggering apparatus for a protection device
03/25/1998EP0830715A1 Circuit breaker accessory module terminal plug
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