Patents
Patents for H01H 71 - Details of the protective switches or relays covered by groups (18,450)
09/2005
09/21/2005CN1670881A Circuit control protector
09/21/2005CN1220235C 断路器 Breaker
09/21/2005CN1220234C Multipolar low-voltage breaker with double breaks and plastic case
09/21/2005CN1220233C Automatic checker for overload protection characteristics of circuit breaker
09/20/2005CA2328536C Arc fault receptacle with a feed-through connection
09/15/2005WO2005086309A1 Method and circuit arrangement for activating low-voltage power switches
09/15/2005WO2005086308A1 Three or four pole low-voltage power switch provided with rogowski coils operating as current sensors
09/15/2005WO2005069333A8 Switching device module
09/15/2005DE102004011027A1 Triggering method for low-voltage circuit breaker, has trigger magnets which are driven in time-staggered manner
09/15/2005DE102004011023A1 Three or four-pole low-voltage circuit breaker, has output signals from Rogowski coils fed via low-pass filters to measuring amplifier and via resistances to integrating capacitor
09/15/2005DE10137497C5 Schaltgerät Switchgear
09/14/2005EP1573877A1 Protective switch
09/14/2005CN2726104Y Thunder-proof electronic releasing device
09/14/2005CN2726102Y Contact system for electric leakage circuit breaker
09/14/2005CN2726101Y Connecting system for electric leakage circuit breaker
09/14/2005CN2726098Y Permanent magnetic pulse electric operating mechanism with emergent switching-off device
09/14/2005CN1667905A Current sampling and effective value determination method for circuit breaker release
09/14/2005CN1667779A 电路断路器 Circuit breaker
09/14/2005CN1219309C 断路器 Breaker
09/13/2005US6943652 Signal accessory for a molded case circuit breaker
09/13/2005US6943313 Rotating arc fault-current interrupter
09/13/2005US6942527 Dual function terminal assembly and electric power apparatus incorporating the same
09/08/2005US20050195055 Enhanced solenoid-armature interface
09/08/2005DE10232661B4 Tauchanker-Vorrichtung Plunger device
09/08/2005DE102004005983A1 Installationsgerät mit optimierten Drehmomenten und entsprechendes Auslöseverfahren bei Vorliegen eines Fehlerstroms Installation device with optimized torque and corresponding triggering method in the presence of a fault current
09/07/2005EP1570505A1 Low-voltage circuit breaker
09/07/2005CN1664971A Circuit breaker mechanism tripping cam
09/07/2005CN1218454C Multi-pole low voltage circuit breaker with one current measuring device per line
09/07/2005CN1218438C Connection clip, connection clip socket and connection device
09/07/2005CN1218347C Electrical switchgear comprising several housing parts
09/06/2005US6940389 Mechanism for ensuring bimetallic plate to be deformed without barrier
09/06/2005CA2327713C Arc fault circuit interrupter
09/06/2005CA2134513C Molded case circuit breaker thermal-magnetic trip unit
09/04/2005CA2499238A1 Enhanced solenoid-armature interface
09/01/2005WO2005081277A1 Identifying element for an installation device which is used to detect dismounting and corresponding method
09/01/2005WO2005081276A1 Safety device and overcurrent cut-off system using same
09/01/2005US20050190521 Overload protection switch
09/01/2005DE102004004958A1 Schutzschalter mit elektronischen Auslösemitteln Breakers with electronic trip means
08/2005
08/31/2005CN2722426Y Concave releasing automatic converting switch
08/31/2005CN2722425Y Contact linkage device of small breaker
08/31/2005CN2722266Y Digital leakage protective switch tester
08/31/2005CN1661750A Circuit interrupter
08/31/2005CN1661749A Attatchment of loop breaker
08/31/2005CN1661743A Terminal device of switching device
08/31/2005CN1217370C 回路断路器 Circuit breaker
08/31/2005CN1217369C Electric operation mechanism for intelligent breaker
08/31/2005CN1217368C Circuit breaker handle operation mechanism
08/31/2005CN1217366C Circuit breaker and accessory switch thereof
08/25/2005US20050186859 Dual function terminal assembly and electric power apparatus incorporating the same
08/25/2005DE19701311B4 Strombegrenzender Leistungsschalter Current limiting circuit breaker
08/25/2005DE10343348B4 Antriebsvorrichtung für einen Niederspannungs- Leistungsschalter Driving device for a low-voltage circuit breaker
08/24/2005CN2720613Y Inversion device of mixed soft-cut current-limited breaker
08/24/2005CN1659670A Overvoltage protection device
08/23/2005US6933814 Phase-to-phase isolation of cassette type circuit breakers
08/23/2005CA2179065C Solid state overload relay mechanism
08/19/2005CA2497490A1 Circuit breaker with a visual indication of a trip
08/19/2005CA2497488A1 A dual function terminal assembly and electric power apparatus incorporating the same
08/18/2005DE102004004840A1 Schutzschaltvorrichtung mit Differenzstromauslöser Circuit breaker with differential trip
08/17/2005EP1564773A1 Multi-pole circuit breaker with single pole switching units
08/17/2005CN2718767Y Open-circuit protector for main distributing frame integrated circuit protecting unit
08/17/2005CN2718766Y Open-circuit protector for main distributing frame integrated circuit protecting unit
08/17/2005CN1655306A Multi-pole circuit breaker with single pole switching units
08/17/2005CN1215516C Opposition wiring protector device for earth-fault circuit breaker
08/17/2005CN1215515C Mechanism for operating small circuit breaker
08/17/2005CN1215504C Contact using electric exclusion force to open and selflock
08/16/2005US6930577 Circuit breaker lug cover and gasket
08/16/2005US6930575 Electromagnetic relay for low-voltage circuit breaker
08/16/2005US6930573 Interlocking cassettes for dimensional stability
08/11/2005WO2005073997A1 Protective switch device comprising a differential current triggering device
08/11/2005US20050174716 Overvoltage protection device
08/11/2005US20050174711 Switching circuit, switching method, protective device and battery pack
08/11/2005US20050174203 Multipole circuit breaker with single-pole breaking units
08/11/2005DE102004061768A1 Anschlussklemmenanordnung einer Schaltvorrichtung Terminal arrangement of a switching device
08/10/2005EP1562211A2 An adjustable magnetic trip unit and a circuit breaker incorporating the same
08/10/2005EP1562210A2 Electrical installation apparatus with optimised torques and corresponding triggering methode in the precense of a fault current
08/10/2005EP1561230A1 Miniature switchgear devices
08/10/2005CN2716998Y Single coil permanent-magnet mechanism driver for vacuum circuit breaker
08/10/2005CN1653573A Circuit breaker having double pole interruption
08/10/2005CN1652280A Loop breaker
08/10/2005CN1214433C Circuit breaker and driving means thereof
08/10/2005CN1214432C Drive train for displaceable contact on electrical power breaker
08/10/2005CN1214431C Clapper armature system for circuit breaker
08/10/2005CN1214430C Circuit interrupter with secure base and terminal connection
08/10/2005CN1214429C Circuit breaker
08/10/2005CN1214417C Connector rail made of profiled semifinished products
08/04/2005US20050168308 Resettable switching device
08/03/2005EP1560244A2 Protective switch with electronic trippinig means
08/03/2005CN2715330Y 断路器 Breaker
08/03/2005CN2715329Y Moving contact coupling mechanism for circuit breaker
08/03/2005CN1649064A Hand operated mechanism of plastic casing breaker
08/03/2005CN1649063A Distable overload relay operation mechanism
08/03/2005CN1649062A Switching mechanism for a manual motor starter
08/03/2005CN1213519C Device for electric connection of two electric apparatuses and electric apparatus adapted for said device
08/03/2005CA2495605A1 An adjustable magnetic trip unit and a circuit breaker incorporating the same
08/02/2005US6924721 Gas segregator barrier for electrical switching apparatus
08/02/2005US6924720 Circuit breaker
08/02/2005US6924446 Circuit breaker including a latchable cradle and a cross bar adapted to move in an arcuate path away from primary and secondary latches
08/02/2005CA2320859C Electrical fault detection system
07/2005
07/28/2005WO2005069336A1 Electromechanical switch
07/28/2005WO2005069335A1 Electromechanical switch