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Matches 951 - 1,000 out of 5,283

Document Document Title
JP2009026617A
To provide an operation device for a disconnector which is in a simple structure and can be inexpensive at fewer components.One end of a driving lever 9 rotatably supported on a drive shaft 10 is connected with a plunger 8 of an electrom...  
JP2009021246A
To provide an apparatus for indicating a closing operable state for an air circuit breaker when a user is at a long distance from the air circuit breaker or when the air circuit breaker is embedded in a switch board.The apparatus include...  
JP2009021243A
To provide an air circuit breaker movable contact having a contact spring protecting mechanism for protecting contact springs from high-temperature and high-voltage arc to minimize the flow of foreign matter therein.The air circuit break...  
JP2009016078A
To provide a switch operation device in which switching operation of a switch can be carried out automatically while using operation cords.An on operation cord 15 and an off operation cord 16 are hung down respectively at both end parts ...  
JP2009501420A
It is a contact element (1) for carrying out electric contact to a contact member (2), in order to enable current to flow between a contact element (1) and a contact member (2), and is this contact element, It has a body (3) and at least...  
JP4205663B2  
JP4198337B2  
JP2008293832A
To obtain a terminal connection device capable of stabilizing the contact of a contact section without increasing pressure force of a pressure member even though there is a center gap between connected terminals caused by large current f...  
JP2008295259A
To provide a three-phase collective type circuit, the breaker of which the tank diameter is small and which requires only a small space for installation.Three phases of a disconnector 4 are provided adjacent to a conversion part 5, and a...  
JP4188812B2  
JP2008288605A
To provide an operation device including a permanent magnet arranged on a magnetic circuit other than the magnetic circuit generated by an exciting coil, thereby reducing the occurrence of eddy current, so as to solve the problem associa...  
JP4184835B2  
JP2008277138A
To solve problems of requiring another elevating device and a maintenance space in order to disconnect between an instrument and main circuits, providing a risk of an instrument in a housing coming out therefrom due to a gas pressure dif...  
JP2008277027A
To provide a contact device high in work efficiency and reliability, allowing a contact shoe to be easily mounted to a contact pressure spring without using an assembly adjustment tool.This contact device is provided with: a pair of cont...  
JP4180817B2  
JP2008271636A
To solve the problem that heat generation (conduction loss) is large at the time of conduction and problems that contact pieces are divided into a plurality of pieces so that it is necessary to chamfer end surfaces in order to ease elect...  
JP4173006B2  
JP4172615B2  
JP4162902B2  
JP2008235223A
To provide a disconnector capable of preventing such a wrong operation that an electric locked state is released without releasing a mechanical locked state to drive an operation device.A lock-out device 300 includes a mechanical lock de...  
JP4155927B2  
JP4153735B2  
JP4155385B2  
JP4153397B2  
JP4152569B2  
JP4149116B2  
JP2008198358A
To restrain occurrence of spark at a manual breaking unit of a current breaking device for breaking current between a power source and a load in accordance with a mechanical operation of a user.A service plug device 50 as a manual breaki...  
JP4139870B2  
JP4135870B2  
JP4134987B2  
JP2008532303A
[Subject] In the case of the operation possibility of an insulated change axis, offer a tap changer realizable by the only tap changer head. [Solution means] This invention has the upper part closed by the tap changer head which has the ...  
JP4130735B2  
JP2007012343A5  
JP2008524815A
The present invention relates to the electric point-of-contact system (1) for the switching device which has mating contact (2) and the second contact (3). According to the present invention, the second contact (3) of the above has a con...  
JP2008140587A
To provide an earthing switch capable of functioning as an earthing terminal and shortening a current carrying path, by simplifying a routing structure to electrically connect a movable contact to an earthing conductor in a tank.This ear...  
JP2008123803A
To provide a contact for a switching device of reduced cost and excellent assembling workability.A movable contact 3 of the contact for switching device has its cross-section shape on a face vertical to its axis direction formed in a pol...  
JP4091460B2  
JP4087482B2  
JP2008104322A
To provide a compact gas-insulated switchgear which attains reduction of a main shell portion holding a disconnecting portion, by improving arrangement of a lead portion of operating shafts.The operating shafts 13, 13a are led into a pro...  
JP2008103328A
To extend the lives of a conductor base and a finger module of an air circuit breaker, and to reduce the electrical resistance thereof.This conductor base of an air circuit breaker is composed by including: a plate-like fastening plate 1...  
JP4084587B2  
JP2008512847A
Disconnection equipment (100) with a fuse contains the housing (104) constituted so that one or more fuses (106) might be received, and the point of contact (172, 174, 178, 180) in which the change for connecting a fuse to a circuit is p...  
JP2008511109A
The present invention relates to two contact maintenance parts with which the electric interengagement part formed in the shape of a U character equips the upper part and bottom, and the contact equipment of a style currently alternative...  
JP4073214B2  
JP4074111B2  
JP4073623B2  
JP2008071595A
To provide a power distribution apparatus such as a circuit breaker or a switch capable of responding to a relatively large current.In this switch, a movable electrode 33 is rotatably supported corresponding to a fixed electrode 22; both...  
JP2008066146A
To provide a multi-contact switch capable of checking contact of a contact with simple structure without considerably reforming existing structure with many of contacts.The switch includes a plurality of movable contacts 5 mounted in par...  
JP4059007B2  
JP4058756B2  

Matches 951 - 1,000 out of 5,283