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JP2015095323A |
To provide a leakage current detection device for a leakage circuit breaker that is improved to improve a detection function of a leakage current and reliability of operational characteristics.The leakage current detection device for the...
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JP3196943U |
To provide a breaker capable of imparting a function of detecting shaking due to an earthquake and shutting off power supply from the primary side without modifying the size and structure of an existing breaker. A fixed support plate 12 ...
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JP5695158B2 |
The fault current detecting circuit includes: a current detection unit (200) that outputs a current detection signal; a first comparing circuit unit (300) that compares the current detection signal with a predetermined reference current ...
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JP5669100B2 |
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JP5656291B2 |
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JP5655720B2 |
A vehicle-mounted system has a high-voltage supply system having a high-voltage battery and a plurality of vehicle-mounted loads electrically connected to the battery. The high-voltage supply system includes a plurality of load portions,...
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JP2015002012A |
To provide a circuit breaker capable of preventing conduction failure or fixing between a movable contact and a fixed contact.A sliding part includes a movable link 50 rotated with a holder member 101 in the same direction, and a fixing ...
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JP2014229413A |
To provide a compact circuit breaker or distribution board which allows for high accuracy current measurement.A circuit breaker or a distribution board includes a plurality of path arrangement parts for arranging the paths, a plurality o...
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JP5634240B2 |
A leakage detection breaker includes a current transformer configured to detect a leakage current, and a leakage determination unit configured to determine DC and AC leakages based on an output signal from the current transformer. The le...
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JP5615958B1 |
To provide an earth leakage breaker capable of easily and surely determining whether an earth leakage of a circuit to be monitored or an earth leakage of a circuit not to be monitored. According to the present invention, in a leakage bre...
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JP2014199724A |
To provide an undervoltage tripper capable of miniaturizing it and reducing costs, while stabilizing voltage sensitivity and ensuring delay-time characteristics.An undervoltage tripper for a circuit breaker comprises: a low voltage detec...
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JP2014199755A |
To provide an electromagnetic tripping device and a circuit breaker ensuring a stabilized coil spring load.An electromagnetic tripping device 90 includes a coil spring 98, a fixed iron core 93 to be inserted into the coil spring 98, and ...
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JP5613551B2 |
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JP2014196920A |
To provide a leak detection device capable of identifying a cause of a leakage even after the leakage has occurred when a leakage phenomenon occurs.A leak detection device 1 includes: a zero phase current transformer 11 in which an AC sy...
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JP2014191910A |
To provide a leakage detection tripping unit capable of suppressing temperature rise in the vicinity of a connection terminal part of a circuit breaker.A leakage detection tripping unit includes a main circuit bar connected to a circuit ...
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JP5592777B2 |
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JP2014157751A |
To provide a circuit breaker that reduces an environmental load and ensures electrical safety by automatically stopping energization to a cable run used in a construction site or the like when determining that energization to the cable r...
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JP2014157750A |
To provide a circuit breaker that reduces an environmental load and ensures electrical safety by automatically stopping energization to a cable run used in a construction site or the like when determining that energization to the cable r...
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JP5574948B2 |
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JP5552362B2 |
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JP2014127349A |
To provide a control unit with a leakage cut-off function in which an operator of a switch is prevented from touching a high voltage, without providing a cover part for covering wiring parts of a test switch and a reset switch.A forced l...
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JP2014116075A |
To accurately grasp voltage setting.A branch breaker includes: a casing provided with a plurality of connections 65-67 engageable with a plurality of conductive bars N, L1, L2 for supplying different levels of power respectively. The bra...
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JP5531894B2 |
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JP5519811B2 |
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JP5519752B2 |
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JP5517566B2 |
The invention discloses a leakage breaker, which comprises a switch mechanism, an over current tripping mechanism, a zero-phase serial converter, a leakage tripping mechanism and a frame. The switch mechanism drives the opening or the cl...
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JP5513870B2 |
An apparatus for facilitating interruption of current in an electrical circuit is provided and includes a current sensing device (10) in the electrical circuit to service an electrical load, the current sensing device (10) being producti...
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JP5495375B2 |
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JP5495374B2 |
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JP3190447U |
To provide an earth leakage breaker with a test button by a triac, which can be used automatically and stably without human intervention and can be easily and easily realized. A cathode T1 and an anode T2 of a triac are connected to a te...
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JP5484314B2 |
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JP5476060B2 |
An apparatus to perform series and parallel arc fault current interruption (AFCI). The apparatus includes a resistive element configured to sense a load from which a current signal is generated, a first detection unit configured to outpu...
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JP2014072178A |
To provide a leakage breaker which allows a user to easily understand whether the cause of trip is leakage or loosening of terminal screws.At terminals 3, 4, poor connection due to loosening of terminal screws 5 is detected. A first elec...
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JP5465599B2 |
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JP5464701B2 |
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JP5461293B2 |
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JP5439198B2 |
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JP5438305B2 |
A method and apparatus providing automatic circuit breaker (10) identification to an electronic trip unit (31) includes a processor (31.1) and a configuration module (11) comprising configuration data identifying the particulars of a cir...
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JP5424362B2 |
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JP2014022115A |
To provide a circuit breaker in which an overcurrent is interrupted by utilizing only the thermal deformation action of a bimetal without requiring the pressing force thereof, and in which an unstable state does not occur in the overcurr...
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JP2014017226A |
To provide a leakage breaker capable of performing current display notification before a limiter installed to a power distribution board is suddenly operated to interrupt the power supply due to excess use of electricity, and of enhancin...
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JP5403382B2 |
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JP5402378B2 |
Disclosed is a circuit breaker whose protection function is selectively switched by a simple button operation such that the circuit breaker can be used as a molded case circuit breaker or an earth leakage circuit breaker, as needed. In a...
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JP2013258060A |
To warn not to perform power interruption operation (open operation) of a path carelessly if the path is charging, when application of a biasing force for operating an operation part is started, in a manual switch for switching a path by...
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JP5373165B2 |
To securely break electric connection between poles of a DC power supply or an AC power supply all through an overcurrent range. This invention is applicable to a circuit breaker arranged in a power supply circuit that supplies power fro...
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JP5372597B2 |
To provide a circuit breaker for a low-tension power contract capable of activating an overcurrent detection circuit at a driving voltage obtained from a current transformer. The circuit breaker for low-tension power contract is provided...
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JP5358659B2 |
Disclosed is a trip device of a circuit breaker, the device including: a rectifying unit (200) converting an AC (Alternating Current) voltage applied to the circuit breaker to a DC (Direct Current) voltage; a smoothing unit (210) connect...
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JP5354619B2 |
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...
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JP5354618B2 |
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...
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JP5354620B2 |
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...
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