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Patent Searching and Data


Matches 801 - 850 out of 3,673

Document Document Title
JP5166730B2  
JP5167698B2  
JP5163473B2  
JP2013048122A
To provide a wiring instrument with a leakage detection function that can prevent an entire power failure due to breaking of a master earth leakage breaker from occurring, and a system.The wiring instrument includes: a zero-phase-sequenc...  
JP5155687B2  
JP5150432B2  
JP5137242B2  
JP5140012B2
An earth leakage tester (300) generates a test signal for detecting an operation of an earth leakage detector (200) that detects an earth leakage current resulting from insulation resistance to earth from an output of a residual current ...  
JP5137226B2  
JP5134640B2  
JP5131900B2  
JP5117908B2  
JP5120982B2
The present invention comprises a micro-electromechanical system (MEMS) micro-switch array based current limiting enabled circuit interrupting apparatus. The apparatus comprising an over-current protective component, wherein the over-cur...  
JP5119063B2
In a wiring device which detects a leakage current in an electrical path connecting a commercial power supply and a load to interrupt the electrical path, the electrical leakage can reliably be interrupted even when the leakage current h...  
JP5121541B2  
JP5113798B2  
JP5115955B2  
JP5116582B2  
JP5115957B2  
JP5112196B2  
JP5108122B2
A circuit breaker comprises a magnetic trip mechanism (34) configured to provide a first mechanical driving force, a low voltage trip mechanism (36) configured to provide a second mechanical driving force, a first micro switch (32) confi...  
JP5109908B2  
JP5093642B2  
JP5094778B2
Disclosed herein is a breaker interlock system. The system includes, a trip unit for a breaker, and a breaker receptive of the trip unit. The breaker is closable when the trip unit is assembled thereto and the breaker is non-closable whe...  
JP2012243666A
To provide a circuit breaker capable of preventing overheat of a plurality of terminals on a power supply side and a load side.In a power supply side terminal unit 2, detection circuits 24 for detecting contact failure of terminal compon...  
JP5091766B2  
JP5091800B2  
JP5091799B2  
JP2012234652A
To obtain an electronic circuit breaker for protecting a lead wire while keeping flexibility of the lead wire.The electric circuit breaker comprises: a flexibility protective plate 10 held near a lead-out port 9 of plural lead wires 8 of...  
JP5081466B2  
JP5081467B2  
JP5073472B2
A circuit interrupter for interrupting current on a line conductor is provided. The circuit interrupter includes separable contacts, a trip mechanism, a bimetal, a microprocessor, a series arc detection sequence, a low-pass filter circui...  
JP5070949B2
The circuit breaker has an alarm switch (12) to emit a leakage alarm by free activation of a triggering unit (16) when default current circulates along an electric path. A cam type manipulating lever (20) connects a manipulating end elem...  
JP5072086B2
To provide an apparatus which can easily determine whether the state of the normal leak current of an electric path is in a range of being able to guarantee the detection accuracy of a requested grounding current for a resistor and also ...  
JP2012209063A
To provide a plug-in connection device for preventing an effect of an accident in a very simple configuration, which does not affect other electric lines even if a ground fault occurs, without changing electric installation in the conven...  
JP5055387B2
A residual current device comprises a circuit (CT, 10, 12) for detecting a current imbalance in an AC supply to a load indicative of a residual current and providing a corresponding output. A relay RLA has contacts SW1 in the AC supply t...  
JP5052405B2  
JP5042895B2  
JP3178681U
To provide an earth leakage breaker with a test button by a fire smoke alarm, which can be used automatically and stably without human intervention and can be easily and easily realized. An earth leakage breaker with a test button by a f...  
JP5030733B2  
JP5026853B2  
JP5026852B2  
JP5030894B2  
JP5021789B2
Disposed herein is an abnormal current detection circuit for circuit breaker, comprising a full-wave amplifier 202, a positive wave-period comparator 203 for comparing a positive wave-period amplification voltage signal with a positive w...  
JP5021420B2  
JP5021399B2  
JP5021439B2  
JP5014717B2  
JP5014716B2  
JP5014699B2
The device has a rectifying circuit to rectify a secondary current supplied by current sensors (T1-T3) and to supply a supply current (la). An electric power supply circuit has a storage capacitor (16) to electrically supply an actuator,...  

Matches 801 - 850 out of 3,673