Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 601 - 650 out of 4,561

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  
JP2013507006A  
JP2013038047A
To provide an earth leakage circuit breaker capable of avoiding an unnecessary breaking operation while securing human body protection against earth leakage.An earth leakage circuit breaker comprises: a current transformer 12 having a ma...  
JP5150432B2  
JP5137242B2  
JP5140012B2  
JP5137226B2  
JP5134640B2  
JP5131900B2  
JP2013013270A
To solve such a problem that when a plurality of power conversion circuits (inverters 30, 34, 38, 42 and 46) are connected to a high voltage battery 10, the time needed to specify the insulation failure part is elongated or specifying th...  
JP5117908B2  
JP5120982B2  
JP5119063B2  
JP5121541B2  
JP2013008698A
To break both poles of a DC power supply or an AC power supply reliably over the entire overcurrent region.The invention is applied to a circuit breaker arranged in a power supply circuit which supplies power from a power supply 10 to a ...  
JP5113798B2  
JP5115955B2  
JP5116582B2  
JP5115957B2  
JP5112196B2  
JP5108122B2  
JP5109908B2  
JP2012253042A
To break the connection between both poles of a power supply with certainty in all overcurrent regions.A circuit breaker is arranged to a feeder circuit feeding a power from a power supply 10 to a load 20. The circuit breaker has: a fuse...  
JP5093642B2  
JP5094778B2  
JP2012243736A
To provide an earth-leakage circuit breaker which requires only one zero-phase-sequence current transformer, and performs shutdown operation by satisfactorily detecting pulsating current leakage containing a DC component besides a conven...  
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...  
JP2012243642A
To provide an earth leakage breaker for performing breaking operation by surely detecting leakage if a leakage current having a predetermined magnitude is produced, even if the leakage current is a pulsating leakage current produced by s...  
JP2012238566A
To provide a power supply circuit in which compaction and power saving can be attained by reducing power consumption during unsteady time thereby limiting the maximum power supply capacity, and to provide an earth leakage circuit breaker...  
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  
JP5070949B2  
JP5072086B2  
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  
JP2012202705A
To provide a leak detection device capable of performing a leak block and a leak display at the same time with a simple and low-cost constitution.The present leak detection device comprises: a zero-phase current transformer 10 through wh...  
JP2012204007A
To compulsorily open a main contact according to a reason such that the main contact is compulsorily opened by displaying the reason with a simple constitution.An earth ground breaker for opening a main circuit including an alternating-c...  
JP2012199196A
To provide a blocking device with small variation, a small temperature characteristic, good electric leakage detection accuracy, and a small malfunction.The blocking device according to the present invention comprises an electric leakage...  
JP5052405B2  
JP5042895B2  
JP3178681U  

Matches 601 - 650 out of 4,561