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Matches 601 - 650 out of 4,438

Document Document Title
JP4896970B2  
JP4893450B2  
JP4893358B2  
JP4885594B2  
JP4873763B2  
JP4856518B2  
JP4852381B2  
JP4852380B2  
JP2012005193A
To provide a leakage cutoff unit and a leakage detector capable of detecting leak current resulting from ground resistance by easy and inexpensive configuration, and maintaining an operation sensitivity actual value between rating sensit...  
JP4845910B2  
JP4846149B2  
JP2011258587A
To perform program check by a simple configuration in a short time at a low cost by using check data for checking whether a monitoring program is normal or not when various types of monitoring data of a circuit breaker is monitored by th...  
JP4839772B2  
JP2011253744A
To provide a circuit breaker which can detect poor contact of a power supply side terminal and a load side terminal with one sensor circuit.A feeder line 7 and a detection line 8 are wired in parallel between a power supply side terminal...  
JP2011250486A
To reduce the quantity of magnetic shield disposition for the core of a zero-phase sequence current transformer having circular form or non-circular form and restrict the number of components as a whole.An earth leakage breaker comprises...  
JP2011249042A
To provide a leakage detection device for preventing an adopting operation without disturbing a leakage detecting operation in a high sensitivity operating area since a power failure or an unnecessary caution caused by an unnecessary ado...  
JP2011243319A
To provide more secure overcurrent protection by operating an interruption mechanism timely according to heat evolution situation of a wire.In a circuit breaker 1, a CPU 7 counts the duration time of an overcurrent flowing through a wiri...  
JP2011243773A
To provide a zero-phase-sequence current transformer which can improve the screening effect of a shield member and reduce unnecessary output.A zero-phase-sequence current transformer comprises: a core 11 made up of annular magnetic mater...  
JP2011243699A
To provide a zero-phase current transformer which can prevent a penetration of magnetism from a pull-out position of a secondary winding, ensures a high detection accuracy of an occurrence of a leakage, and is compatible with a large cur...  
JP2011233417A
To provide an electronic breaker that trips a main contact using an electronic overcurrent tripping device instead of using a mechanical overcurrent trapping device when a short circuit occurs in a high-impedance circuit.A diode 15 recti...  
JP4816246B2  
JP2011228095A
To provide an electronic breaker with an electrical leak detection function capable of detecting electrical leak without the necessity of providing a separate space for the detection and without considerably changing the constitution of ...  
JP4812012B2  
JP4811231B2  
JP2011222210A
To provide a breaker capable of reporting an erroneous operation if an opening/closing mechanism part is transitioned to an open state when a protective shutdown detection circuit fails to report an alarm signal, and not reporting an err...  
JP4799371B2  
JP4789661B2  
JP2011198545A
To solve a problem that an overcurrent tripping mechanism of an electronic circuit breaker is of a complex latch structure needing more housing spaces for related components in the breaker due to increase of the number of components, and...  
JP2011192589A
To provide a leak tripping mechanism which is easy for assembling in a simple structure, and a plug for a vehicular charge cable capable of performing a reset action by utilizing the leak tripping mechanism without using a handle.The lea...  
JP2011192607A
To provide an electronic circuit breaker capable of detecting occurrence of a leakage without using a zero-phase current transformer and suppressing large-sizing of a circuit breaker case or the like.Each of current transformers 10 is pr...  
JP2011182536A
To provide a DC ground fault detecting relay having a function of identifying a ground fault line.The DC ground fault detecting relay 10: includes a ground fault power supply 11, a coupling capacitor 12, an N-pole selecting switch 13N, a...  
JP4774326B2  
JP4769275B2  
JP2011171244A
To provide a circuit breaker including a cord short circuit detection circuit for detecting only cord short circuit.The circuit breaker includes: sensor wiring 9 detecting one circuit voltage of an outlet 4; a peak value detection circui...  
JP4763759B2  
JP4760428B2  
JP2011155006A
To provide a circuit breaker in which trip display signals are output by distinguishing them according to trip causes.The circuit breaker 100 includes: a magnetic trip mechanism 34 to give a first mechanical power for which a switching m...  
JP4742232B2  
JP2011150845A
To provide an accessory device of a breaker for wiring which allows easy and reliable internal connection without soldering operation in the connection of a terminal to a printed wiring board.The accessory device 100 of the breaker for w...  
JP2011150811A
To provide an electronic circuit breaker, configured so that not only assembling and replacement of components but also specification change of rated current are facilitated.A current transformer 11 converts and outputs the current carri...  
JP2011150810A
To solve the following problems: contact between a connection sheet and a fixed contact is destabilized to invite possibility of causing poor contact; and the connection arrangement space of the connection sheet is enlarged.The connectio...  
JP2011150899A
To provide an electric leakage detection device capable of improving detection accuracy by restraining incorrect detection.The electric leakage detection device includes: a plurality of primary conductors 11a, 11b, 11c; a core 22 made of...  
JP2011150898A
To provide an electric leakage detection device to improve detection accuracy by restraining incorrect detection.The electric leakage detection device includes a plurality of primary conductors 11a, 11b, and 11c, a core 12 made of a ring...  
JP4740232B2  
JP2011146196A
To provide a circuit breaker which can operate certainly by supplying a voltage necessary for a trip coil, even when a very large current such as a short circuit current flows in an AC electric path.A trip coil 4 is driven by a logical p...  
JP4736949B2  
JP4716809B2  
JP4715537B2  
JP2011124217A
To provide a ground-fault interrupter which can simplify electrical connection between a main circuit current conduction section and a leakage detection circuit and facilitates its assembly.In the ground-fault interrupter, both ends of a...  
JP4696665B2  

Matches 601 - 650 out of 4,438