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JP5091922B2 |
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JP5080329B2 |
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JP5070178B2 |
A switchgear is provided with interlocks that enhances safety and reliability. On a front face panel, a single line connection diagram, an indicator showing state of ON, OFF and disconnection, another indicator showing a state of an grou...
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JP5031856B2 |
Disclosed therein are a conductor base (1) and a finger module (300) of an air circuit breaker. Since the connector (200) of the conductor base has the curved surface (220) formed on a side of an end portion thereof and tooth-coupled wit...
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JP5036784B2 |
To enable to surely mount a detecting portion for judging water intrusion into a switch without sliding on a bottom face of the switch, by contacting a face with a heater and a temperature sensor exposed. The detecting portion 1 is made ...
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JP5019461B2 |
The system has a contact (3) including a tulip-shaped contact unit, which is provided on a fixation plate. The plate is connected to an axle tube, where tube and the plate are made of copper. The contact unit has contact fingers includin...
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JP2012164566A |
To provide a contact point maintenance method for isolator, capable of removing attachment or insulating coating on a contact point section of an isolator during energization of the isolator.Vibration is given to contact point sections 1...
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JP5014012B2 |
A power-circuit breaking device, which can easily mount a fuse and has a small number of component and a simple structure. The power-circuit breaking device includes a first connector housing having a pair of circuit terminals connected ...
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JP4990376B2 |
A three-stable oscillating electromagnetic actuator (101) includes a cylindrical stator (45) from which a plurality of first magnetic poles (45b) project toward a center direction, a mover (1) that extends in a circumferential direction ...
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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...
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JP4969280B2 |
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JP4965360B2 |
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JP4959027B1 |
The present invention provides a current switch including a blade-type movable contact 26 configured to extend in a radial direction from a pivoting center P and reciprocatingly move such that a free end of the movable contact 26 draws a...
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JP4951597B2 |
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JP4950270B2 |
A high speed closing switch in a power distributor includes: a case (200) forming an external appearance; a first electrode (10) provided within the case and including a through hole (14); a second electrode (20) having a receiving reces...
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JP4942355B2 |
A switch has a first electrical terminal, a second electrical terminal spaced from the first electrical terminal and an elongate conductive switch blade for bridging the terminals. The switch blade has a first end portion pivotally conne...
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JP4938774B2 |
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JP4906892B2 |
A switchgear includes an earthing and disconnecting switch (10) which linearly moves and is switchable to a disconnecting and an earthing positions, a vacuum valve (1) which performs closing and breaking of a current in a vacuum containe...
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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...
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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...
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JP4889796B2 |
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JP4879272B2 |
The device has an insulating support on which fixed contacts (3,4) are arranged, a switch lever (2) rotatably mounted on the support with pivot arms (22) on both ends and an actuating profile on the lower end, whereby the arm can be sudd...
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JP4864568B2 |
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JP4869043B2 |
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JP4860015B1 |
A switch includes a fixed contact 3 fixed in a container in which an insulating gas is filled and a movable contact 4 provided to be reciprocatingly movable with respect to the fixed contact and configured to come into contact with and s...
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JP4856904B2 |
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JP4856126B2 |
A movable contactor for an air circuit breaker with a contact spring protecting mechanism is provided, the movable contactor comprising a shielding plate configured to shield exposed surfaces of the contact springs for protection so as t...
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JP4849973B2 |
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JP4846516B2 |
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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...
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JP4812977B2 |
The support (80) has electromagnetic emission bobbin (15) emitting electromagnetic radiation towards an electrical apparatus (10). The apparatus includes a switch and a circuit breaker, whose opening is controlled by a trigger, and inclu...
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JP4804234B2 |
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JP4801001B2 |
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JP4796533B2 |
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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...
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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, ...
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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...
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JP4772052B2 |
A contact arrangement for use on an insulating rod having an upper fastening bore and a lower fastening bore has a U-shaped contact having a pair of limbs each formed with an upper bore and a lower bore. The contact is fittable around th...
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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...
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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...
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JP4749143B2 |
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JP4738266B2 |
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JP4731427B2 |
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JP4729447B2 |
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JP4721884B2 |
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JP4724049B2 |
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JP4723900B2 |
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JP4715376B2 |
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JP4716685B2 |
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JP4710663B2 |
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