Patents
Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450)
06/2003
06/11/2003EP1171935B1 Active material low power electrical switching mechanism and drive circuit therefor
06/11/2003CN1423295A Current-limiting device with repulsive force mechanism
06/11/2003CN1423294A Multipolar low-voltage circuit breaker with plastic shell
06/10/2003US6577217 Optimized magnetic sub-assembly
06/10/2003US6577216 Fast acting transfer switch with confronting power switches oppositely actuated by single coil solenoid
06/10/2003US6577215 Instantaneous-tripping circuit breaker
06/10/2003US6577214 Adjustment screw cover for motor operators
06/05/2003US20030102944 Electrical circuit interrupter
06/04/2003EP1226600B1 Electric protective switching device
06/04/2003EP1218899B1 Electric pole for low-voltage power circuit breaker
06/04/2003CN2554791Y Leakag switch handle, test and reset push-button electric operator
06/04/2003CN1421890A Automatic checker for overload protection characteristics of circuit breaker
06/04/2003CN1421889A 正温度系数端子 Positive temperature coefficient terminal
06/04/2003CN1421884A Switch equipment with adapted multi-phase bus bar system
06/04/2003CN1110831C Single-phase circuit breaker
06/04/2003CN1110830C Molded outer case circuit breaker
06/03/2003US6573815 Circuit breaker
05/2003
05/30/2003WO2003044818A1 Circuit breaker
05/29/2003US20030098224 Circuit breaker mechanism
05/28/2003EP1315190A2 Test device with short circuit indicator
05/28/2003DE20305183U1 Rocker switch for controlling two circuits has frame with two terminals and includes bimetallic plates pushed against internal contact by projection on one side of rocker
05/28/2003DE20303897U1 Protective switch for low-voltage electrical equipment has projecting central portion with rotary switch on vertical axis and there are retaining screws above and below switch
05/28/2003CN2553506Y Double-contact circuit breaker
05/28/2003CN1109945C Method of monitoring functional capability of tap selector
05/27/2003US6570749 Over-current and thermal protection device
05/27/2003US6570481 Circuit breaker
05/27/2003US6570269 Method and apparatus for supplying power to a load circuit from alternate electric power sources
05/22/2003US20030094439 Arc quenching configuration for an electrical switching device
05/22/2003DE10137497C1 Schaltgerät mit einheitlichem Schalterbaustein Switching device with uniform contact module
05/21/2003EP1313121A1 Circuit breaker
05/21/2003EP1313117A2 Arc quenching device for an electronic switch device
05/21/2003EP1226599B1 Electric safety switch device
05/21/2003EP1210720B1 Manual operating device equipped with a turning handle and provided for electrical switchgears
05/20/2003US6567250 Arc fault protected device
05/20/2003US6566618 Circuit breaker
05/20/2003CA2058322C Circuit breaker comprising a card interfacing with a trip device
05/15/2003US20030090849 Transfer switch including a circuit breaker housing
05/15/2003US20030090848 Circuit interrupter employing a mechanism to open a power circuit in response to a resistor body burning open
05/15/2003US20030090349 Method of operating remote operated circuit breaker panel
05/15/2003CA2411707A1 Transfer switch including a circuit breaker housing
05/14/2003EP1310971A2 Adjustable circuit breaker mechanism
05/14/2003EP1232509B1 Low-voltage circuit-breaker with a housing having a front panel and a back panel
05/14/2003EP1232508B1 Electrical switchgear comprising several housing parts
05/14/2003EP1212769B1 A pressure switch provided with a thermal cut-out
05/14/2003CN2550896Y Electromagnetic actuating mechanism for breaker
05/14/2003CN2550895Y Viewable closeable state indicator of breaker operation mechanism
05/14/2003CN1418369A Release device for power circuit breaker
05/13/2003US6563414 Switch having a bimetal plate with two legs
05/13/2003US6563407 Pivot joint for a movable contact arm in a molded case circuit breaker
05/13/2003US6563406 Multi-pole circuit breaker with parallel current
05/08/2003WO2003038963A2 Electric power circuit breaker comprising a connection device for auxiliary current circuits
05/08/2003US20030086233 Circuit breaker
05/08/2003US20030086228 Compact low AMP electronic circuit breaker or residential load center
05/08/2003US20030085783 Method for locking out a reset mechanism on electrical protective device
05/08/2003DE10214890C1 Remotely-operated breaker with switch setting indicator, protection function has transfer rod linked to indication lever and to switch rod of auxiliary switch for tapping shaft position
05/07/2003EP1309059A2 Automatic voltage source selector for circuit breakers utilizing electronics
05/07/2003EP0963595B1 Element for connecting individual contactors to a contactor combination
05/07/2003CN2549638Y High voltage and large current safety device on wire distributor
05/07/2003CN2549584Y Multifunctional security device of power supply for electrical appliance
05/07/2003CN2549583Y Electric actuator for small circuit breaker handle
05/07/2003CN1416151A Permanent magnet executor
05/07/2003CN1416150A Multipolar low-voltage breaker with double breaks and plastic case
05/07/2003CN1416149A Exploding breaker of current carrying object
05/06/2003US6560085 Circuit breaker including positive temperature coefficient resistivity element and current limiting element
05/06/2003US6559745 Circuit breaker, and accessory switches thereof
05/06/2003US6559743 Stored energy system for breaker operating mechanism
05/06/2003US6559394 Air circuit breaker
05/02/2003EP1306866A2 Method of electrically grounding a circuit breaker and circuit breaker panel employing a grounding member
05/02/2003EP1305809A1 Switching device with a component consisting of a shape memory alloy and with means for heating the same; and corresponding joining technique
05/01/2003US20030081360 Automatic voltage source selector for circuit breakers utilizing electronics
05/01/2003US20030080838 Adjustable circuit breaker mechanism
05/01/2003US20030080837 Lockout for reset mechanism of electrical protective device
04/2003
04/30/2003CN2548257Y Modular multifunctional dipolar vertical combined air switch
04/30/2003CN2548256Y High pressure measurement reset mechanism
04/29/2003US6556111 Selective release unit for circuit breaker
04/29/2003CA2409477A1 Method of electrically grounding a circuit breaker and circuit breaker panel employing a grounding member
04/29/2003CA2109260C Overcurrent protection device with programmable communications and inactivity
04/23/2003EP1149400B1 Electric device with a connection clip and a receiving fixture for a second electric device
04/23/2003EP1012611B1 Arcing fault detection system
04/23/2003CN2546998Y Driving device in circuit breaker electric drive mechanism
04/23/2003CN2546990Y High-voltage double-power shifting load switch
04/22/2003US6552637 Circuit breaker mechanism
04/22/2003US6552286 Handle operating mechanism of circuit breaker
04/17/2003WO2002080328A8 An electrical circuit device with compact terminal configuration
04/17/2003US20030071709 Circuit breaker flower
04/17/2003US20030071702 Precision location system between actuator accessory and mechanism
04/17/2003US20030071701 One piece air-core coil mounting bracket
04/16/2003CN2545697Y Electromagnetic circuit breaker
04/16/2003CN2545696Y Sheath type DC circuit breaker
04/15/2003US6548769 Circuit breaker
04/15/2003CA2216434C Arcing fault detection system
04/15/2003CA2056499C Molded case circuit breaker operating mechanism assembly
04/11/2003CA2406296A1 One-piece air-core coil mounting bracket
04/10/2003US20030066744 Switch actuator mechanism
04/09/2003CN1409451A Panel mounting device for breaking surface
04/09/2003CN1409346A Switching mechanism of protective switch
04/09/2003CN1409345A Trip and reset device for electric equipments
04/09/2003CN1409344A Improvement for trip cross rod and trip armature assembly of circuit breaker
04/08/2003US6545584 Circuit breaker with inertia device to prevent shockout
04/08/2003US6545574 Arc fault circuit breaker