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Patent Searching and Data


Matches 601 - 650 out of 4,486

Document Document Title
JP2012142106A
To provide a reversely-connectable earth leakage circuit breaker which has no malfunction and can be easily supplied in low cost for a photovoltaic power generation system or the like.In an earth leakage circuit breaker having a main cir...  
JP4981550B2  
JP2012138263A
To provide a circuit breaker in which a determination can be made easily whether the circuit breaker is opened by a tripping device for confirming operation that is operated by an external signal, or opened by the intended circuit protec...  
JP4977003B2  
JP4977002B2  
JP2012134003A
To prevent a burnout accident on an electrical path with a switch connected by protecting the switch and devices on the electrical path with the switch connected against arcing and overheating.The switch having a power supply side termin...  
JP2012134002A
To suppress a burnout accident on an electrical path with a switch connected by protecting the switch and devices on the electrical path with the switch connected against arcing and overheating.The switch having a power supply side termi...  
JP2012134152A
To provide a trip device of a breaker capable of implementing both of undervoltage trip and remote trip with one circuit.The trip device includes: a rectification section for converting an AC voltage applied to the breaker into a DC volt...  
JP4972998B2  
JP4966111B2  
JP4967602B2  
JP4967453B2  
JP2012125053A
To provide a leakage detection breaker which detects a leakage occurred in a path connected to an AC power source as well as a leakage occurred in a path connected to a DC power source and cuts off power supply from the power source on t...  
JP4960800B2  
JP4960170B2  
JP2012119104A
To provide a breaker for performing a cut-off at a moment when a direct current of an allowed value or more flows through, and an electric power monitoring controller using such a breaker.A breaker 20a comprises: an electronic open/close...  
JP2012119268A
To provide a method of establishing operational environment of an earth leakage circuit breaker which allows for easy determination and establishment of a normal operating environment of an earth leakage circuit breaker.A confirmation is...  
JP4950869B2  
JP4949927B2  
JP4948316B2  
JP4939954B2  
JP4939869B2  
JP4938435B2  
JP4937826B2  
JP4935455B2  
JP4938434B2  
JP4931754B2  
JP4933208B2  
JP2012089517A
To provide a circuit breaker having a current limiting function in which it is hard to illegally use and modify, and when regularly changing a contract current, an operation current according to the contract current can be changed easily...  
JP2012089516A
To provide a home distribution board capable of unifying the size of a distribution board regardless of requirement for current limiter, and capable of cutting off a load current according to a specified contract current, with a wiring b...  
JP2012089518A
To provide a controller for setting an operation reference current value of a circuit breaker, which enables an easy confirmation of whether a contact current value is correctly set while the workability is excellent without an entry int...  
JP2012089519A
To provide a circuit breaker which can prioritize set values determined by an operation reference current value setting section to perform setting of operation reference current values with flexibility in the cases where a work is carrie...  
JP4926015B2  
JP2012084494A
To resolve a problem that, although electricity is conventionally used as energy and recently used for information communication by a computer or the like and becomes important more than ever due to IT development, since generation of a ...  
JP2012084470A
To provide an earth leakage breaker for distribution board megger test of which can be carried out easily by changing the power supply of a leakage detection circuit from a main circuit in a breaker to an external power supply.The earth ...  
JP4921931B2  
JP4921934B2  
JP2012079465A
To realize an automatically restoring overcurrent circuit breaker which is built in a compact body by adopting simple means for detecting surge currents.The automatically restoring overcurrent circuit breaker includes a cutoff circuit 10...  
JP3174963U  
JP4920890B2  
JP4914297B2  
JP4910663B2  
JP4908245B2  
JP4908118B2  
JP4910913B2  
JP4906517B2  
JP4895191B2  
JP4896970B2  
JP4893450B2  
JP4893358B2  

Matches 601 - 650 out of 4,486