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)
12/2012
12/05/2012CN102810436A Delay-adjustable breaker
12/05/2012CN102810435A Energy storing handle for breaker
12/05/2012CN102810434A Circuit breaker and thermal trip device thereof
12/05/2012CN102005344B Tripping gear of frame-type breaker
12/05/2012CN101794689B Small-sized plastic-shell combined switch
12/05/2012CN101685727B Quick releasing device for miniaturized circuit breaker
12/05/2012CN101617380B Switching apparatus with rotary handle
12/05/2012CN101355240B Withdrawing device
12/04/2012CA2521291C Trip indicative rocker switch
11/2012
11/29/2012WO2012161830A1 Overcurrent protection system
11/29/2012DE102011076550A1 Schaltvorrichtung Switching device
11/29/2012DE102011076290A1 Stern-Dreieck-Verdrahtung, insbesondere für eine Schützschaltung auf einer Montageplatte Star-delta wiring, especially for a contactor circuit on a mounting plate
11/28/2012EP2528081A1 Indicating element for a pushbutton
11/28/2012CN202564920U Intelligent electronic tripping device and circuit breaker including same
11/28/2012CN202564158U Leakage protector and driving device thereof
11/28/2012CN202564157U Three-phase mechanical linked 252kV pot-type breaker
11/28/2012CN202564156U Slow separation preventing device for hydraulic operating mechanism of high-voltage circuit breaker
11/28/2012CN202564155U Position restorating device for electromagnetic tripper and electromagnetic tripper with the same
11/28/2012CN202564154U Anti-tripping circuit device for imported circuit breaker body
11/28/2012CN202564153U Zero-sequence mutual inductor through-hole connecting conductive device special for earth leakage circuit breaker
11/28/2012CN102804321A Switching unit for a circuit breaker having a toggle lever
11/28/2012CN102804320A Improved tie -down accessory for circuit breaker
11/28/2012CN102804319A Electronic Circuit Breaker
11/28/2012CN102800538A Automatic switching-on device of circuit breaker
11/28/2012CN102800537A Signal transmission mechanism of overcurrent tripper
11/28/2012CN102800536A Wire clamp device for electronic release and wire clamp method
11/28/2012CN101882539B Locking device of under-voltage relay and tripping device
11/28/2012CN101728052B Release electromagnet device
11/28/2012CN101656177B Thermal relay
11/28/2012CN101617381B Switching apparatus and wiring switching apparatus
11/28/2012CN101552127B Mutual inductor unit with twice through electronic tripping device
11/28/2012CN101355199B Screw connecting terminal and method for its production
11/28/2012CN101252062B Self-disengaging circuit breaker motor operator and operation method
11/28/2012CN101170029B Electrical switching apparatus, and housing and integral pole shaft bearing assembly therefor
11/28/2012CN101170027B Automatic reset and self-test device particularly for residual current operated circuit breakers and the like
11/28/2012CN101162667B Low-voltage device with reinforced rotating element
11/28/2012CN101159203B A low-voltage circuit breaker, method for assembling low-voltage circuit breaker and changing pole thereof
11/27/2012CA2411238C Circuit breaker for detecting an excessive voltage and tripping responsive thereto
11/22/2012WO2012156207A1 Control device and method for operating such a control device
11/21/2012EP2525453A1 Parameter adjustment of an insertion module of an electric low voltage switching assembly
11/21/2012EP2525382A1 Combined function circuit protection and control device actuator
11/21/2012CN202549759U Residual-current high-breaking-capacity circuit breaker with controller reclosure
11/21/2012CN202549752U Mechanism for regulating rate current of breaker
11/21/2012CN202549751U Oil buffer of circuit breaker
11/21/2012CN202549750U Spring operation mechanism and breaker
11/21/2012CN202549749U Copper sheet flexible connecting device
11/21/2012CN202549748U Circuit breaker and contact piece assembly for same
11/21/2012CN202549747U 断电开关 Off switch
11/21/2012CN202549746U Outdoor breaker
11/21/2012CN202549745U Protection switch
11/21/2012CN202549744U Circuit breaker fast voltage-buildup emergency device
11/21/2012CN202549656U Sliding rod device
11/21/2012CN202549597U Current induction mechanism hung outside circuit breaker
11/21/2012CN102792403A Circuit breaker trip unit support
11/21/2012CN102790376A Electric leakage, overload and short circuit protection module
11/21/2012CN102789931A Arc extinguishing device of circuit breaker with reverse current protection
11/21/2012CN102789929A Breaker capacity-increasing rebuilding method
11/21/2012CN102789928A 驱动机构 Drive mechanism
11/21/2012CN102446665B Rotating shaft structure of circuit breaker release
11/21/2012CN101976640B Low-voltage breaker tripper
11/21/2012CN101937812B Earth fault breaker having functions of over-current protection, end-of-life automatic trip and caution
11/21/2012CN101923995B Tripping electromagnet device of low voltage electrical appliance
11/21/2012CN101770908B Elastic pressing unit and molded case circuit breaker having the same
11/21/2012CN101770903B Position indicating device for a circuit breaker
11/21/2012CN101354988B Residual current device for an electric circuit breaker
11/15/2012DE102011081893B3 Magnetischer Aktor und Verfahren zu dessen Betrieb Magnetic actuator and method of operating
11/15/2012DE102011075567A1 Switch i.e. low-voltage power switch, for protecting electrical switchgear against e.g. overload in electrical grid, has microcontroller for triggering disconnection of switching contacts when current value of switch exceeds threshold value
11/14/2012CN202534620U Drop-out fuse
11/14/2012CN202534612U Breaker switch-on system
11/14/2012CN202534611U Automatic local switching-off device of high-voltage switch
11/14/2012CN202534610U Improved drop-out fuse
11/14/2012CN202534609U High-power spring operating mechanism used for high-voltage circuit breaker
11/14/2012CN202534608U A breaker-used operating mechanism integrating electric and manual operations
11/14/2012CN202534607U Breaker visual switching-on ready indicating assembly
11/14/2012CN202534606U Breaker spring energy-storage motor circuit
11/14/2012CN102782794A Electrical line protection lock mechanism with a differential function
11/14/2012CN102779699A Manual switch-on/off button for circuit breaker energy storage mechanism
11/14/2012CN102779698A Electromagnetic trip mechanism for low-voltage circuit breaker
11/14/2012CN102779697A Electric operating mechanism with overcurrent safety device
11/14/2012CN102779696A Apparatus for tripping an electrical switch
11/14/2012CN102779695A Magnetostriction mechanical device for magnetic field sensing
11/14/2012CN102779694A Bidirectional overrunning clutch for dual-power switch
11/14/2012CN102779693A Interlocked circuit breakers
11/14/2012CN101807758B Test electric connector of low voltage breaker
11/13/2012US8310333 Modular fuse holder
11/08/2012DE102011106616A1 Verschiedene Varianten eines elektrischen Gerätes mit einer Sicherheitseinrichtung Different variants of an electrical device with a safety device
11/08/2012DE102011076064A1 Blow-open switching off device for circuit breaker, has spring that pushes contact pin to press on limiting projection boundary surface if excess current flows in circuit breaker, after contact jaw separation from fixed connecting portion
11/07/2012EP2521156A1 Disconnector for distribution tarnsformers with dielectric liquid
11/07/2012EP2521151A1 Interlocked circuit breakers
11/07/2012CN202523658U Manual and automatic closing device for direct pushing type residual current circuit breaker
11/07/2012CN202523657U Wrench assembly used for switch device
11/07/2012CN202523656U Plastic-housing breaker with time-delay shunt opening control
11/07/2012CN202523655U Control and protection switch
11/07/2012CN202523654U Electric and manual integrated breaker clutching device
11/07/2012CN202523653U Resetting device for trip actuator
11/07/2012CN202523652U After-leakage connecting plate for residual current circuit breaker
11/07/2012CN202523651U Trip actuating element and micro switch bracket
11/07/2012CN202523650U Leakage protection wall switch
11/07/2012CN102768924A Undervoltage tripper with low power consumption and applicable to three-phase supply
11/07/2012CN102768923A Undervoltage tripper and working method thereof
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