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Patent Searching and Data


Matches 751 - 800 out of 5,283

Document Document Title
JP2012155924A
To provide an operating handle tool for an isolator capable of mounting an operating handle and a torque handle regardless of a kind of an isolator.A dedicated operating handle 20 has height H and width W of a fitting part 22 with a pred...  
JP2012156108A
To provide a power circuit interrupting device provided with a necessary time lag between signal circuit interruption and main circuit interruption and configured at low cost.In a power circuit interrupting device, a first lock mechanism...  
JP4990376B2  
JP2012142149A
To provide an insulation barrier attachment structure which is improved so that one kind of the insulation barrier can satisfy all the requirements by commonly using components between an interphase insulation barrier and a lateral insul...  
JP4969280B2  
JP4965360B2  
JP2012119292A
To provide a power source circuit cutoff device reducing a workspace and simplifying a structure including a mold, and further capable of preventing defects due to a residual power amount after a signal circuit switch is turned off.The p...  
JP4959027B1
Braid type movable contact 26 which carries out both-way operation so that it may extend in a radial direction from rotation center P and a free end may draw rotation locus L, Fixed contact child 20 who has energization member 31 which a...  
JP4951597B2  
JP4950270B2  
JP4942355B2  
JP2012511798A
The present invention relates to contactors for unidirectional DC operation with permanent magnetic arc extinguishing. In addition to the blow magnets, the contactors are equipped with compensatory permanent magnets for compensating the ...  
JP4938774B2  
JP2012079644A
To provide a power supply circuit breaker capable of preventing the electrical shock on a worker.A power supply circuit breaker 10 has a plug 1 having a terminal fitting 3 and a housing 4 to which the terminal fitting 3 is attached, and ...  
JP2012064581A
To provide a device having an adjustable electrode assembly.A circuit protection device applied to a circuit which includes at least one conductor comprises at least one phase electrode assembly 300 electrically connected to at least one...  
JP4906892B2  
JP2012055135A
To provide an opening and closing device and a grounding method of an electric circuit capable of preventing accident occurrence while a large current is kept from flowing into a grounding switch even in the case where a grounding switch...  
JP4891495B2
PURPOSE: To provide an actuator for a switch wherein operations to attain respectively prescribed positions can be made surely regarding 'off', 'on' or 'ground' positions of the switch. CONSTITUTION: Recesses formed at parts correspondin...  
JP4889796B2  
JP2012043540A
To provide an air circuit breaker that is further reduced in size and cost without being increased in size and complexity of an electromagnet and a booster mechanism as an operation unit.The air circuit breaker includes: a switch part ha...  
JP2010098776A5  
JP4879272B2  
JP2012021948A
To enable bearing diagnosis simply in a short time.A predetermined power supply is connected between an inner lace and an outer lace in a bearing via a predetermined resistance, a current value or a voltage value between the inner lace a...  
JP4864568B2  
JP4869043B2  
JP2012019650A
To easily realize a disconnecting of a breaker and a grounding of a load side despite the enclosed structure of a housing thereof.The power receiving-transforming equipment has in a housing 24: a breaker 21 for disconnecting a power supp...  
JP4860015B1
Fixed contact child 3 fixed in the container in which it filled up with insulating gas, and movable contact 4 which are provided to a fixed contact child so that both-way movement is possible, and attaches and detaches a fixed contact ch...  
JP2012015009A
To provide a high voltage switchgear miniaturized by reducing an electric field in a blade end and a stator end and improving a voltage resistance property without using a larger shield.A high voltage switchgear has a switchgear includin...  
JP4856904B2  
JP4856126B2  
JP4849973B2  
JP4846516B2  
JP2011238547A
To provide a horizontal one point disconnector that can unfailingly bring blade tips into contact even when blades are stopped just before the blades are connected or just after the blades are opened or when a relative angle between the ...  
JP2011229198A
To provide a high-voltage power receiving facility capable of performing a switching operation of a high voltage switchgear without requiring work such as detaching or winding up a protecting cover provided for the high-voltage switchgea...  
JP4812977B2  
JP4804234B2  
JP4801001B2  
JP4796533B2  
JP2011204689A
To provide a movable contact of a circuit breaker, capable of minimizing the manufacturing cost thereof, and to provide a method of manufacturing a finger constituting the movable contact.The movable contact includes: a cage angularly ro...  
JP2011192553A
To convert a rotating angle of a manual handle side operation shaft into a rotating angle of a disconnector side operation shaft, with a simple configuration.An operation mechanism of the switch includes the manually turning manual handl...  
JP2011187382A
To provide a disconnector operation detection mechanism easily resetting a lever of a limit switch fixed in a shifted state interlocking with an operation of a disconnector and correctly detecting an operating state of the disconnector, ...  
JP2011187889A
To provide a tap selector of an on-load tap changer such that connection structures of input lines are simplified to improve operability and an assembly state is confirmed directly from outside.An insulating shaft 4 has one end and the o...  
JP4772052B2  
JP2011171239A
To provide a switch which can prevent a shortage of grease at a slide contact part formed on a support part of a movable contact.The switch includes: a fixed contact; and the movable contact 4 which is rotatably supported by a support co...  
JP2011159396A
To provide a circuit breaker which ensures safety of an operator with a simple structure and configuration, and can select either turning on of current to a circuit or interruption of current of the circuit, in a situation when a body in...  
JP2011160637A
To provide a gas insulated switchgear reduced in the entire size and improved in economic efficiency and reliability due to a composite insulation structure between electrodes.The gas insulated switchgear includes a DS (disconnect switch...  
JP4749143B2  
JP4738266B2  
JP2011146199A
To provide an operating device for a switch with easy control of three positions even when the operating angle or operating amount is different between a disconnector and a grounding switch.The operating device for the switch has a motor...  
JP4731427B2  

Matches 751 - 800 out of 5,283